Page 2 of 2
Leaf with spores Cut Out Stock Images
![. Plants; a text-book of botany. Botany. I'TEKIDOPIIYTES 145 margin (Figs. 135, 120), which may be called a "false in- diisium." It is evident tliat siicli leaves are doing two distinct kinds of work—chloropliyll work and spore formation. This is true of most of the ordinary Ferns, but some of them show a tendency to di- vide the work. Certain leaves, or certain leaf-branches, pro- diice spores and do no chloro- phyll work, while others do chlorophyll work and produce no spores. This differentia- tion in the leaves or leaf-re- gions is indicated by appro- priate names. Those leaves w Stock Photo](https://c8.alamy.com/comp/RDTW72/plants-a-text-book-of-botany-botany-itekidopiiytes-145-margin-figs-135-120-which-may-be-called-a-quotfalse-in-diisiumquot-it-is-evident-tliat-siicli-leaves-are-doing-two-distinct-kinds-of-workchloropliyll-work-and-spore-formation-this-is-true-of-most-of-the-ordinary-ferns-but-some-of-them-show-a-tendency-to-di-vide-the-work-certain-leaves-or-certain-leaf-branches-pro-diice-spores-and-do-no-chloro-phyll-work-while-others-do-chlorophyll-work-and-produce-no-spores-this-differentia-tion-in-the-leaves-or-leaf-re-gions-is-indicated-by-appro-priate-names-those-leaves-w-RDTW72.jpg ". Plants; a text-book of botany. Botany. I'TEKIDOPIIYTES 145 margin (Figs. 135, 120), which may be called a "false in- diisium." It is evident tliat siicli leaves are doing two distinct kinds of work—chloropliyll work and spore formation. This is true of most of the ordinary Ferns, but some of them show a tendency to di- vide the work. Certain leaves, or certain leaf-branches, pro- diice spores and do no chloro- phyll work, while others do chlorophyll work and produce no spores. This differentia- tion in the leaves or leaf-re- gions is indicated by appro- priate names. Those leaves w Stock Photo")
. Plants; a text-book of botany. Botany. I'TEKIDOPIIYTES 145 margin (Figs. 135, 120), which may be called a "false in- diisium." It is evident tliat siicli leaves are doing two distinct kinds of work—chloropliyll work and spore formation. This is true of most of the ordinary Ferns, but some of them show a tendency to di- vide the work. Certain leaves, or certain leaf-branches, pro- diice spores and do no chloro- phyll work, while others do chlorophyll work and produce no spores. This differentia- tion in the leaves or leaf-re- gions is indicated by appro- priate names. Those leaves w Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/plants-a-text-book-of-botany-botany-itekidopiiytes-145-margin-figs-135-120-which-may-be-called-a-quotfalse-in-diisiumquot-it-is-evident-tliat-siicli-leaves-are-doing-two-distinct-kinds-of-workchloropliyll-work-and-spore-formation-this-is-true-of-most-of-the-ordinary-ferns-but-some-of-them-show-a-tendency-to-di-vide-the-work-certain-leaves-or-certain-leaf-branches-pro-diice-spores-and-do-no-chloro-phyll-work-while-others-do-chlorophyll-work-and-produce-no-spores-this-differentia-tion-in-the-leaves-or-leaf-re-gions-is-indicated-by-appro-priate-names-those-leaves-w-image232271958.htmlRMRDTW72–. Plants; a text-book of botany. Botany. I'TEKIDOPIIYTES 145 margin (Figs. 135, 120), which may be called a "false in- diisium." It is evident tliat siicli leaves are doing two distinct kinds of work—chloropliyll work and spore formation. This is true of most of the ordinary Ferns, but some of them show a tendency to di- vide the work. Certain leaves, or certain leaf-branches, pro- diice spores and do no chloro- phyll work, while others do chlorophyll work and produce no spores. This differentia- tion in the leaves or leaf-re- gions is indicated by appro- priate names. Those leaves w
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 624 LABORATORY EXERCISES LESSON 22 Isolation oj a Leaf Will Fungus in Pure Culture—Givea a fungus causing leaf wilt, to obtain a pure culture by excluding the non-pathogenic forms. I. Look for the fruiting stage of the suspected fungus, or fungi. Transfer some of the spores with a sterile needle into a tube of s c.c. of sterile water. (If pycnidia or perithecia are present, transfer a whole pycnidium or perithecium into sterile water, and crush the fruit body to cause the escape of the Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-624-laboratory-exercises-lesson-22-isolation-oj-a-leaf-will-fungus-in-pure-culturegivea-a-fungus-causing-leaf-wilt-to-obtain-a-pure-culture-by-excluding-the-non-pathogenic-forms-i-look-for-the-fruiting-stage-of-the-suspected-fungus-or-fungi-transfer-some-of-the-spores-with-a-sterile-needle-into-a-tube-of-s-cc-of-sterile-water-if-pycnidia-or-perithecia-are-present-transfer-a-whole-pycnidium-or-perithecium-into-sterile-water-and-crush-the-fruit-body-to-cause-the-escape-of-the-image232051929.htmlRMRDETGW–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 624 LABORATORY EXERCISES LESSON 22 Isolation oj a Leaf Will Fungus in Pure Culture—Givea a fungus causing leaf wilt, to obtain a pure culture by excluding the non-pathogenic forms. I. Look for the fruiting stage of the suspected fungus, or fungi. Transfer some of the spores with a sterile needle into a tube of s c.c. of sterile water. (If pycnidia or perithecia are present, transfer a whole pycnidium or perithecium into sterile water, and crush the fruit body to cause the escape of the
![. Plant studies; an elementary botany. Botany. Fig. 250. Wheat rust, showing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Marshall Wash. stage in a polymorphic life history it was called the TJredc- stage, and the spores uredospores, sometimes "summer spores.". Fig. 251. Wheat rust, showing the winter spores (teleutospores).—After H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 251). It is two-celled, with a very heavy black. Please note that Stock Photo](https://c8.alamy.com/comp/RE1JGN/plant-studies-an-elementary-botany-botany-fig-250-wheat-rust-showing-a-young-hypha-forcing-its-way-from-the-surface-of-a-leaf-down-among-the-nutritive-cellsafter-h-marshall-wash-stage-in-a-polymorphic-life-history-it-was-called-the-tjredc-stage-and-the-spores-uredospores-sometimes-quotsummer-sporesquot-fig-251-wheat-rust-showing-the-winter-spores-teleutosporesafter-h-marshall-ward-toward-the-end-of-the-summer-the-same-mycelium-develops-sporophores-which-bear-an-entirely-different-kind-of-spore-fig-251-it-is-two-celled-with-a-very-heavy-black-please-note-that-RE1JGN.jpg ". Plant studies; an elementary botany. Botany. Fig. 250. Wheat rust, showing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Marshall Wash. stage in a polymorphic life history it was called the TJredc- stage, and the spores uredospores, sometimes "summer spores.". Fig. 251. Wheat rust, showing the winter spores (teleutospores).—After H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 251). It is two-celled, with a very heavy black. Please note that Stock Photo")
. Plant studies; an elementary botany. Botany. Fig. 250. Wheat rust, showing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Marshall Wash. stage in a polymorphic life history it was called the TJredc- stage, and the spores uredospores, sometimes "summer spores.". Fig. 251. Wheat rust, showing the winter spores (teleutospores).—After H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 251). It is two-celled, with a very heavy black. Please note that Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/plant-studies-an-elementary-botany-botany-fig-250-wheat-rust-showing-a-young-hypha-forcing-its-way-from-the-surface-of-a-leaf-down-among-the-nutritive-cellsafter-h-marshall-wash-stage-in-a-polymorphic-life-history-it-was-called-the-tjredc-stage-and-the-spores-uredospores-sometimes-quotsummer-sporesquot-fig-251-wheat-rust-showing-the-winter-spores-teleutosporesafter-h-marshall-ward-toward-the-end-of-the-summer-the-same-mycelium-develops-sporophores-which-bear-an-entirely-different-kind-of-spore-fig-251-it-is-two-celled-with-a-very-heavy-black-please-note-that-image232376501.htmlRMRE1JGN–. Plant studies; an elementary botany. Botany. Fig. 250. Wheat rust, showing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Marshall Wash. stage in a polymorphic life history it was called the TJredc- stage, and the spores uredospores, sometimes "summer spores.". Fig. 251. Wheat rust, showing the winter spores (teleutospores).—After H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 251). It is two-celled, with a very heavy black. Please note that
. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. MOSSES WITH A HAND-LENS 173. Figure 100. Scapania nemorosa. Branch X 2. Leaf X 10. tinctly longer than broad and are strongly ciliate-dentate. The leaves are stiff and only a little larger above. The perianth mouth is ciliate-dentate. The spores mature in spring. S. UNDULATA (L.) Dum., the Aquatic Scapania, is less common than the pre- ceding and grows on stones in streams or in very wet places. It is green, or frequently red or dark brownish-red. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/mosses-with-a-hand-lens-a-non-technical-handbook-of-the-more-common-and-more-easily-recognized-mosses-of-the-north-eastern-united-states-mosses-mosses-with-a-hand-lens-173-figure-100-scapania-nemorosa-branch-x-2-leaf-x-10-tinctly-longer-than-broad-and-are-strongly-ciliate-dentate-the-leaves-are-stiff-and-only-a-little-larger-above-the-perianth-mouth-is-ciliate-dentate-the-spores-mature-in-spring-s-undulata-l-dum-the-aquatic-scapania-is-less-common-than-the-pre-ceding-and-grows-on-stones-in-streams-or-in-very-wet-places-it-is-green-or-frequently-red-or-dark-brownish-red-image232100716.htmlRMRDH2R8–. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. MOSSES WITH A HAND-LENS 173. Figure 100. Scapania nemorosa. Branch X 2. Leaf X 10. tinctly longer than broad and are strongly ciliate-dentate. The leaves are stiff and only a little larger above. The perianth mouth is ciliate-dentate. The spores mature in spring. S. UNDULATA (L.) Dum., the Aquatic Scapania, is less common than the pre- ceding and grows on stones in streams or in very wet places. It is green, or frequently red or dark brownish-red.
. Lessons in botany. Botany. 204. BOTANY. organs. Now the fern leaf bears the spores and the spore forms the prothallium. So it is in the flowering plants. The stairen bears the small spores—pollen grains—and the pollen grain. Fig- 182. Diagrammatic section of a flower. Ke, calyx; K, corolla ; A the filament, and <z, the anther, of the stamen ; p, pollen-cells, some in the anther, others on the stigma ; F, the ovary, surmounted by the style, g, and the stigma, n (this ovary contains one ovule, which has a single coat, i, enclosing the ovule-body, S) ; em, the embryo-sac; E, germ-cell; /j, a Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/lessons-in-botany-botany-204-botany-organs-now-the-fern-leaf-bears-the-spores-and-the-spore-forms-the-prothallium-so-it-is-in-the-flowering-plants-the-stairen-bears-the-small-sporespollen-grainsand-the-pollen-grain-fig-182-diagrammatic-section-of-a-flower-ke-calyx-k-corolla-a-the-filament-and-ltz-the-anther-of-the-stamen-p-pollen-cells-some-in-the-anther-others-on-the-stigma-f-the-ovary-surmounted-by-the-style-g-and-the-stigma-n-this-ovary-contains-one-ovule-which-has-a-single-coat-i-enclosing-the-ovule-body-s-em-the-embryo-sac-e-germ-cell-j-a-image232018538.htmlRMRDDA0A–. Lessons in botany. Botany. 204. BOTANY. organs. Now the fern leaf bears the spores and the spore forms the prothallium. So it is in the flowering plants. The stairen bears the small spores—pollen grains—and the pollen grain. Fig- 182. Diagrammatic section of a flower. Ke, calyx; K, corolla ; A the filament, and <z, the anther, of the stamen ; p, pollen-cells, some in the anther, others on the stigma ; F, the ovary, surmounted by the style, g, and the stigma, n (this ovary contains one ovule, which has a single coat, i, enclosing the ovule-body, S) ; em, the embryo-sac; E, germ-cell; /j, a
![. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 623 tapering, obtuse, basally dark-brown, slightly constricted at the septa, 5 to 9 times cross-septate and 0-5 times longitudinally septate. It causes injury on carnation leaves and stems. A. solani (E. & M.) Jones & Grout. '"• ^''''"'-'" Spots brown, circular to elliptic, concentrically zonate, amphige- nous, irregularly scattered over the leaf surface; mycelium. Fio. 422.—A. solani, 2, spores germinating and penetrating the living potato leaf; 5, showing cateuulatiou of Stock Photo](https://c8.alamy.com/comp/RDE4XM/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-623-tapering-obtuse-basally-dark-brown-slightly-constricted-at-the-septa-5-to-9-times-cross-septate-and-0-5-times-longitudinally-septate-it-causes-injury-on-carnation-leaves-and-stems-a-solani-e-amp-m-jones-amp-grout-quot-quot-quot-spots-brown-circular-to-elliptic-concentrically-zonate-amphige-nous-irregularly-scattered-over-the-leaf-surface-mycelium-fio-422a-solani-2-spores-germinating-and-penetrating-the-living-potato-leaf-5-showing-cateuulatiou-of-RDE4XM.jpg ". The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 623 tapering, obtuse, basally dark-brown, slightly constricted at the septa, 5 to 9 times cross-septate and 0-5 times longitudinally septate. It causes injury on carnation leaves and stems. A. solani (E. & M.) Jones & Grout. '"• ^''''"'-'" Spots brown, circular to elliptic, concentrically zonate, amphige- nous, irregularly scattered over the leaf surface; mycelium. Fio. 422.—A. solani, 2, spores germinating and penetrating the living potato leaf; 5, showing cateuulatiou of Stock Photo")
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 623 tapering, obtuse, basally dark-brown, slightly constricted at the septa, 5 to 9 times cross-septate and 0-5 times longitudinally septate. It causes injury on carnation leaves and stems. A. solani (E. & M.) Jones & Grout. '"• ^''''"'-'" Spots brown, circular to elliptic, concentrically zonate, amphige- nous, irregularly scattered over the leaf surface; mycelium. Fio. 422.—A. solani, 2, spores germinating and penetrating the living potato leaf; 5, showing cateuulatiou of Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-623-tapering-obtuse-basally-dark-brown-slightly-constricted-at-the-septa-5-to-9-times-cross-septate-and-0-5-times-longitudinally-septate-it-causes-injury-on-carnation-leaves-and-stems-a-solani-e-amp-m-jones-amp-grout-quot-quot-quot-spots-brown-circular-to-elliptic-concentrically-zonate-amphige-nous-irregularly-scattered-over-the-leaf-surface-mycelium-fio-422a-solani-2-spores-germinating-and-penetrating-the-living-potato-leaf-5-showing-cateuulatiou-of-image232036524.htmlRMRDE4XM–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 623 tapering, obtuse, basally dark-brown, slightly constricted at the septa, 5 to 9 times cross-septate and 0-5 times longitudinally septate. It causes injury on carnation leaves and stems. A. solani (E. & M.) Jones & Grout. '"• ^''''"'-'" Spots brown, circular to elliptic, concentrically zonate, amphige- nous, irregularly scattered over the leaf surface; mycelium. Fio. 422.—A. solani, 2, spores germinating and penetrating the living potato leaf; 5, showing cateuulatiou of
. Botany for academies and colleges: consisting of plant development and structure from seaweed to clematis. Botany; 1889. 63. The Ferns have leaf- like fronds -which bear the spores, though the spore-bear- ing fronds are often trans- 7 formed, as in the Osmunda (Fig. 33). The fronds are forJe-vdned (Fig. 33, a) and cirdnate in bud,—rolled like isier (Fig. 34). The spore- cases are in groups called Sori (L. so7'us, a heap), on the under surface of the frond; either at the end of the veins and near the margin (Fig. 34) or variously arranged along the veins (Figs. 33,35). The fronds vary Fio. Ka Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/botany-for-academies-and-colleges-consisting-of-plant-development-and-structure-from-seaweed-to-clematis-botany-1889-63-the-ferns-have-leaf-like-fronds-which-bear-the-spores-though-the-spore-bear-ing-fronds-are-often-trans-7-formed-as-in-the-osmunda-fig-33-the-fronds-are-forje-vdned-fig-33-a-and-cirdnate-in-budrolled-like-isier-fig-34-the-spore-cases-are-in-groups-called-sori-l-so7us-a-heap-on-the-under-surface-of-the-frond-either-at-the-end-of-the-veins-and-near-the-margin-fig-34-or-variously-arranged-along-the-veins-figs-3335-the-fronds-vary-fio-ka-image232122663.htmlRMRDJ2R3–. Botany for academies and colleges: consisting of plant development and structure from seaweed to clematis. Botany; 1889. 63. The Ferns have leaf- like fronds -which bear the spores, though the spore-bear- ing fronds are often trans- 7 formed, as in the Osmunda (Fig. 33). The fronds are forJe-vdned (Fig. 33, a) and cirdnate in bud,—rolled like isier (Fig. 34). The spore- cases are in groups called Sori (L. so7'us, a heap), on the under surface of the frond; either at the end of the veins and near the margin (Fig. 34) or variously arranged along the veins (Figs. 33,35). The fronds vary Fio. Ka
. Textbook of botany. Botany. Fig. 6i. — A club-moss [Lycopo- diinn) that bears but one kind of spores. 1, H. portion of the plant showing the branching stem, leaves, and roots, the spore-bearing leaves being arranged in cone-like struc- tures at the ends of upright branches. 2, a spore-bearing leaf, with a spore sac at its base, j and 4, spores. After Wossidlo.. Fig. 62. — . club-moss {Selaginella) that bears spores of two different sizes; a, special branches which bear roots at their ends; b, foliage leaves; c, spore-bearing leaves. likeness to mosses is only apparent. Some of the club-moss Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/textbook-of-botany-botany-fig-6i-a-club-moss-lycopo-diinn-that-bears-but-one-kind-of-spores-1-h-portion-of-the-plant-showing-the-branching-stem-leaves-and-roots-the-spore-bearing-leaves-being-arranged-in-cone-like-struc-tures-at-the-ends-of-upright-branches-2-a-spore-bearing-leaf-with-a-spore-sac-at-its-base-j-and-4-spores-after-wossidlo-fig-62-club-moss-selaginella-that-bears-spores-of-two-different-sizes-a-special-branches-which-bear-roots-at-their-ends-b-foliage-leaves-c-spore-bearing-leaves-likeness-to-mosses-is-only-apparent-some-of-the-club-moss-image232282592.htmlRMRDWAPT–. Textbook of botany. Botany. Fig. 6i. — A club-moss [Lycopo- diinn) that bears but one kind of spores. 1, H. portion of the plant showing the branching stem, leaves, and roots, the spore-bearing leaves being arranged in cone-like struc- tures at the ends of upright branches. 2, a spore-bearing leaf, with a spore sac at its base, j and 4, spores. After Wossidlo.. Fig. 62. — . club-moss {Selaginella) that bears spores of two different sizes; a, special branches which bear roots at their ends; b, foliage leaves; c, spore-bearing leaves. likeness to mosses is only apparent. Some of the club-moss
. The British rust fungi (Uredinales) their biology and classification. Rust fungi. Fig. 27. P. Poai-um. An seoidio- spore germinating on leaf of Poa annua, x 180.. Fig. 26. P. Poaruin. Vertical section through edge of secidium; showing a, the crushed cells of the upper myce- lium, pushed on one side ; 6, the chain of peridium-cells; c, the spore bed, giviBg rise to d, the chains of Eecidio- spores. X 600. The black dots are the nucleoli; one ascidiospore-mother- cell has three nuclei. case in most of the higher forms of the Uredinales, arises deep in the leaf, and the densely packed knot of h Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-british-rust-fungi-uredinales-their-biology-and-classification-rust-fungi-fig-27-p-poai-um-an-seoidio-spore-germinating-on-leaf-of-poa-annua-x-180-fig-26-p-poaruin-vertical-section-through-edge-of-secidium-showing-a-the-crushed-cells-of-the-upper-myce-lium-pushed-on-one-side-6-the-chain-of-peridium-cells-c-the-spore-bed-givibg-rise-to-d-the-chains-of-eecidio-spores-x-600-the-black-dots-are-the-nucleoli-one-ascidiospore-mother-cell-has-three-nuclei-case-in-most-of-the-higher-forms-of-the-uredinales-arises-deep-in-the-leaf-and-the-densely-packed-knot-of-h-image232412380.htmlRMRE38A4–. The British rust fungi (Uredinales) their biology and classification. Rust fungi. Fig. 27. P. Poai-um. An seoidio- spore germinating on leaf of Poa annua, x 180.. Fig. 26. P. Poaruin. Vertical section through edge of secidium; showing a, the crushed cells of the upper myce- lium, pushed on one side ; 6, the chain of peridium-cells; c, the spore bed, giviBg rise to d, the chains of Eecidio- spores. X 600. The black dots are the nucleoli; one ascidiospore-mother- cell has three nuclei. case in most of the higher forms of the Uredinales, arises deep in the leaf, and the densely packed knot of h
. Textbook of botany. Botany. no TEXTBOOK OF BOTANY of the branch so as to form a structure much Hke a pine cone. 137. Club-mosses. — These are small, mostly creeping plants, looking more like mosses than ferns. The moss-like plants, however, belong to the asexual generation, so that the. Fig. 6i. — A club-moss [Lycopo- diinn) that bears but one kind of spores. 1, H. portion of the plant showing the branching stem, leaves, and roots, the spore-bearing leaves being arranged in cone-like struc- tures at the ends of upright branches. 2, a spore-bearing leaf, with a spore sac at its base, j and 4, Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/textbook-of-botany-botany-no-textbook-of-botany-of-the-branch-so-as-to-form-a-structure-much-hke-a-pine-cone-137-club-mosses-these-are-small-mostly-creeping-plants-looking-more-like-mosses-than-ferns-the-moss-like-plants-however-belong-to-the-asexual-generation-so-that-the-fig-6i-a-club-moss-lycopo-diinn-that-bears-but-one-kind-of-spores-1-h-portion-of-the-plant-showing-the-branching-stem-leaves-and-roots-the-spore-bearing-leaves-being-arranged-in-cone-like-struc-tures-at-the-ends-of-upright-branches-2-a-spore-bearing-leaf-with-a-spore-sac-at-its-base-j-and-4-image232282596.htmlRMRDWAR0–. Textbook of botany. Botany. no TEXTBOOK OF BOTANY of the branch so as to form a structure much Hke a pine cone. 137. Club-mosses. — These are small, mostly creeping plants, looking more like mosses than ferns. The moss-like plants, however, belong to the asexual generation, so that the. Fig. 6i. — A club-moss [Lycopo- diinn) that bears but one kind of spores. 1, H. portion of the plant showing the branching stem, leaves, and roots, the spore-bearing leaves being arranged in cone-like struc- tures at the ends of upright branches. 2, a spore-bearing leaf, with a spore sac at its base, j and 4,
![. Plants; a text-book of botany. Botany. Fig. 50 —Wheat rust, ehowing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Maeshall Wakd. stage in a polymorphic life history it was called the Uredo- stage, and the spores uredosjiores, sometimes "summer spores."'. Fig. 51. Wheat rnst, showing the winter spores (teleutospores).- H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 51). It is two-celled, with a very heavy black. Please note that these images Stock Photo](https://c8.alamy.com/comp/RDWAYR/plants-a-text-book-of-botany-botany-fig-50-wheat-rust-ehowing-a-young-hypha-forcing-its-way-from-the-surface-of-a-leaf-down-among-the-nutritive-cellsafter-h-maeshall-wakd-stage-in-a-polymorphic-life-history-it-was-called-the-uredo-stage-and-the-spores-uredosjiores-sometimes-quotsummer-sporesquot-fig-51-wheat-rnst-showing-the-winter-spores-teleutospores-h-marshall-ward-toward-the-end-of-the-summer-the-same-mycelium-develops-sporophores-which-bear-an-entirely-different-kind-of-spore-fig-51-it-is-two-celled-with-a-very-heavy-black-please-note-that-these-images-RDWAYR.jpg ". Plants; a text-book of botany. Botany. Fig. 50 —Wheat rust, ehowing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Maeshall Wakd. stage in a polymorphic life history it was called the Uredo- stage, and the spores uredosjiores, sometimes "summer spores."'. Fig. 51. Wheat rnst, showing the winter spores (teleutospores).- H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 51). It is two-celled, with a very heavy black. Please note that these images Stock Photo")
. Plants; a text-book of botany. Botany. Fig. 50 —Wheat rust, ehowing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Maeshall Wakd. stage in a polymorphic life history it was called the Uredo- stage, and the spores uredosjiores, sometimes "summer spores."'. Fig. 51. Wheat rnst, showing the winter spores (teleutospores).- H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 51). It is two-celled, with a very heavy black. Please note that these images Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/plants-a-text-book-of-botany-botany-fig-50-wheat-rust-ehowing-a-young-hypha-forcing-its-way-from-the-surface-of-a-leaf-down-among-the-nutritive-cellsafter-h-maeshall-wakd-stage-in-a-polymorphic-life-history-it-was-called-the-uredo-stage-and-the-spores-uredosjiores-sometimes-quotsummer-sporesquot-fig-51-wheat-rnst-showing-the-winter-spores-teleutospores-h-marshall-ward-toward-the-end-of-the-summer-the-same-mycelium-develops-sporophores-which-bear-an-entirely-different-kind-of-spore-fig-51-it-is-two-celled-with-a-very-heavy-black-please-note-that-these-images-image232282731.htmlRMRDWAYR–. Plants; a text-book of botany. Botany. Fig. 50 —Wheat rust, ehowing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Maeshall Wakd. stage in a polymorphic life history it was called the Uredo- stage, and the spores uredosjiores, sometimes "summer spores."'. Fig. 51. Wheat rnst, showing the winter spores (teleutospores).- H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 51). It is two-celled, with a very heavy black. Please note that these images
. Textbook of botany. Botany. 62 TEXTBOOK OF BOTANY finally breaks the epidermis of the leaf. Each cell of the basal layer, like each of the other cells of the fungus up to this time, contains a single nucleus. These basal cells become joined in twos by a dis- solving of part of the walls between each pair of adjoining cells (Fig. 27, D, a) ; the two cells of each pair have now become a single cell of ir-. FiG. 27. — A, a section through a portion of an infected barberry leaf bearing spring spores on the lower surface and spermatia on the upper sur- face. B, a section through a cluster cup, sh Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/textbook-of-botany-botany-62-textbook-of-botany-finally-breaks-the-epidermis-of-the-leaf-each-cell-of-the-basal-layer-like-each-of-the-other-cells-of-the-fungus-up-to-this-time-contains-a-single-nucleus-these-basal-cells-become-joined-in-twos-by-a-dis-solving-of-part-of-the-walls-between-each-pair-of-adjoining-cells-fig-27-d-a-the-two-cells-of-each-pair-have-now-become-a-single-cell-of-ir-fig-27-a-a-section-through-a-portion-of-an-infected-barberry-leaf-bearing-spring-spores-on-the-lower-surface-and-spermatia-on-the-upper-sur-face-b-a-section-through-a-cluster-cup-sh-image232272054.htmlRMRDTWAE–. Textbook of botany. Botany. 62 TEXTBOOK OF BOTANY finally breaks the epidermis of the leaf. Each cell of the basal layer, like each of the other cells of the fungus up to this time, contains a single nucleus. These basal cells become joined in twos by a dis- solving of part of the walls between each pair of adjoining cells (Fig. 27, D, a) ; the two cells of each pair have now become a single cell of ir-. FiG. 27. — A, a section through a portion of an infected barberry leaf bearing spring spores on the lower surface and spermatia on the upper sur- face. B, a section through a cluster cup, sh
![. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. Figure; 104. Blepharostoma trichophylluin (After Schiffner). A. Plant natural size. B. The same X 8. C. I^eaf X 50. D. Involucral leaf. E. Perianth X 17. "LEAVES NOT COMPLICATE-BILOBED OR FINELY DIVIDED,* INCUBOUS.t. Figure 105. Lepidosia reptans f After Hooker). Plant; portion of stem with leaves and underleaves; an- theridium in its leaf, and free; perianth with involu- cre ; capsule, elater, and â spores. LEPIDOZIA. L. REPTANS (L.) Dum., t Stock Photo](https://c8.alamy.com/comp/RDH2NW/mosses-with-a-hand-lens-a-non-technical-handbook-of-the-more-common-and-more-easily-recognized-mosses-of-the-north-eastern-united-states-mosses-figure-104-blepharostoma-trichophylluin-after-schiffner-a-plant-natural-size-b-the-same-x-8-c-ieaf-x-50-d-involucral-leaf-e-perianth-x-17-quotleaves-not-complicate-bilobed-or-finely-divided-incuboust-figure-105-lepidosia-reptans-f-after-hooker-plant-portion-of-stem-with-leaves-and-underleaves-an-theridium-in-its-leaf-and-free-perianth-with-involu-cre-capsule-elater-and-spores-lepidozia-l-reptans-l-dum-t-RDH2NW.jpg ". Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. Figure; 104. Blepharostoma trichophylluin (After Schiffner). A. Plant natural size. B. The same X 8. C. I^eaf X 50. D. Involucral leaf. E. Perianth X 17. "LEAVES NOT COMPLICATE-BILOBED OR FINELY DIVIDED,* INCUBOUS.t. Figure 105. Lepidosia reptans f After Hooker). Plant; portion of stem with leaves and underleaves; an- theridium in its leaf, and free; perianth with involu- cre ; capsule, elater, and â spores. LEPIDOZIA. L. REPTANS (L.) Dum., t Stock Photo")
. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. Figure; 104. Blepharostoma trichophylluin (After Schiffner). A. Plant natural size. B. The same X 8. C. I^eaf X 50. D. Involucral leaf. E. Perianth X 17. "LEAVES NOT COMPLICATE-BILOBED OR FINELY DIVIDED,* INCUBOUS.t. Figure 105. Lepidosia reptans f After Hooker). Plant; portion of stem with leaves and underleaves; an- theridium in its leaf, and free; perianth with involu- cre ; capsule, elater, and â spores. LEPIDOZIA. L. REPTANS (L.) Dum., t Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/mosses-with-a-hand-lens-a-non-technical-handbook-of-the-more-common-and-more-easily-recognized-mosses-of-the-north-eastern-united-states-mosses-figure-104-blepharostoma-trichophylluin-after-schiffner-a-plant-natural-size-b-the-same-x-8-c-ieaf-x-50-d-involucral-leaf-e-perianth-x-17-quotleaves-not-complicate-bilobed-or-finely-divided-incuboust-figure-105-lepidosia-reptans-f-after-hooker-plant-portion-of-stem-with-leaves-and-underleaves-an-theridium-in-its-leaf-and-free-perianth-with-involu-cre-capsule-elater-and-spores-lepidozia-l-reptans-l-dum-t-image232100677.htmlRMRDH2NW–. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. Figure; 104. Blepharostoma trichophylluin (After Schiffner). A. Plant natural size. B. The same X 8. C. I^eaf X 50. D. Involucral leaf. E. Perianth X 17. "LEAVES NOT COMPLICATE-BILOBED OR FINELY DIVIDED,* INCUBOUS.t. Figure 105. Lepidosia reptans f After Hooker). Plant; portion of stem with leaves and underleaves; an- theridium in its leaf, and free; perianth with involu- cre ; capsule, elater, and â spores. LEPIDOZIA. L. REPTANS (L.) Dum., t
![. Essentials of botany. Botany; Botany. )? I w^^ ff€i^§-'7i. Fig. 204. Spore-Plant of a Fern {Aspidium Filix-mas). A, part of rootstock and fronds, not quite one-sixth natural size; fr, young fronds unrolling (not usually found at the .same season as the mature fronds); B^ under side of a pinnule, showing sori s; C, section through a sorus at right angles to surface of leaf, showing indusium i, and sporan- gia s; Z*, a sporangium discharging spores. (5 is not far from "natural size. C and D are considerably magnified.) 281. Please note that these images are extracted from scanned page ima Stock Photo](https://c8.alamy.com/comp/RDWFAG/essentials-of-botany-botany-botany-i-w-ffi-7i-fig-204-spore-plant-of-a-fern-aspidium-filix-mas-a-part-of-rootstock-and-fronds-not-quite-one-sixth-natural-size-fr-young-fronds-unrolling-not-usually-found-at-the-same-season-as-the-mature-fronds-b-under-side-of-a-pinnule-showing-sori-s-c-section-through-a-sorus-at-right-angles-to-surface-of-leaf-showing-indusium-i-and-sporan-gia-s-z-a-sporangium-discharging-spores-5-is-not-far-from-quotnatural-size-c-and-d-are-considerably-magnified-281-please-note-that-these-images-are-extracted-from-scanned-page-ima-RDWFAG.jpg ". Essentials of botany. Botany; Botany. )? I w^^ ff€i^§-'7i. Fig. 204. Spore-Plant of a Fern {Aspidium Filix-mas). A, part of rootstock and fronds, not quite one-sixth natural size; fr, young fronds unrolling (not usually found at the .same season as the mature fronds); B^ under side of a pinnule, showing sori s; C, section through a sorus at right angles to surface of leaf, showing indusium i, and sporan- gia s; Z*, a sporangium discharging spores. (5 is not far from "natural size. C and D are considerably magnified.) 281. Please note that these images are extracted from scanned page ima Stock Photo")
. Essentials of botany. Botany; Botany. )? I w^^ ff€i^§-'7i. Fig. 204. Spore-Plant of a Fern {Aspidium Filix-mas). A, part of rootstock and fronds, not quite one-sixth natural size; fr, young fronds unrolling (not usually found at the .same season as the mature fronds); B^ under side of a pinnule, showing sori s; C, section through a sorus at right angles to surface of leaf, showing indusium i, and sporan- gia s; Z*, a sporangium discharging spores. (5 is not far from "natural size. C and D are considerably magnified.) 281. Please note that these images are extracted from scanned page ima Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/essentials-of-botany-botany-botany-i-w-ffi-7i-fig-204-spore-plant-of-a-fern-aspidium-filix-mas-a-part-of-rootstock-and-fronds-not-quite-one-sixth-natural-size-fr-young-fronds-unrolling-not-usually-found-at-the-same-season-as-the-mature-fronds-b-under-side-of-a-pinnule-showing-sori-s-c-section-through-a-sorus-at-right-angles-to-surface-of-leaf-showing-indusium-i-and-sporan-gia-s-z-a-sporangium-discharging-spores-5-is-not-far-from-quotnatural-size-c-and-d-are-considerably-magnified-281-please-note-that-these-images-are-extracted-from-scanned-page-ima-image232286168.htmlRMRDWFAG–. Essentials of botany. Botany; Botany. )? I w^^ ff€i^§-'7i. Fig. 204. Spore-Plant of a Fern {Aspidium Filix-mas). A, part of rootstock and fronds, not quite one-sixth natural size; fr, young fronds unrolling (not usually found at the .same season as the mature fronds); B^ under side of a pinnule, showing sori s; C, section through a sorus at right angles to surface of leaf, showing indusium i, and sporan- gia s; Z*, a sporangium discharging spores. (5 is not far from "natural size. C and D are considerably magnified.) 281. Please note that these images are extracted from scanned page ima
. The British rust fungi (Uredinales) their biology and classification. Rust fungi. ON LILIACE.E 119 interrupted and anastomosing, brown, 28—44 x 22—30 ^; epi- spore 2—3} yu, thick ; pedicels hyaline, slender, deciduous.. Fig. 70. U. Lilii. a, leaf of Liliuin candiduvi, with recidia ; b, another, witli teleuto-sori, nat. size; c, cells of peridium, iu section and inner face-view; d, teleutospores ; e, teleutospore seen from above ; /, ^cidiospore, all x 600. On Liliuin candidum. Kew Gardens; also at Birmingham, 1911-3 (C.W.Lowe). /Ecidia in Aprd, May; mature teleuto- spores from June. (Fig. 70 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-british-rust-fungi-uredinales-their-biology-and-classification-rust-fungi-on-liliacee-119-interrupted-and-anastomosing-brown-2844-x-2230-epi-spore-23-yu-thick-pedicels-hyaline-slender-deciduous-fig-70-u-lilii-a-leaf-of-liliuin-candiduvi-with-recidia-b-another-witli-teleuto-sori-nat-size-c-cells-of-peridium-iu-section-and-inner-face-view-d-teleutospores-e-teleutospore-seen-from-above-cidiospore-all-x-600-on-liliuin-candidum-kew-gardens-also-at-birmingham-1911-3-cwlowe-ecidia-in-aprd-may-mature-teleuto-spores-from-june-fig-70-image232412171.htmlRMRE382K–. The British rust fungi (Uredinales) their biology and classification. Rust fungi. ON LILIACE.E 119 interrupted and anastomosing, brown, 28—44 x 22—30 ^; epi- spore 2—3} yu, thick ; pedicels hyaline, slender, deciduous.. Fig. 70. U. Lilii. a, leaf of Liliuin candiduvi, with recidia ; b, another, witli teleuto-sori, nat. size; c, cells of peridium, iu section and inner face-view; d, teleutospores ; e, teleutospore seen from above ; /, ^cidiospore, all x 600. On Liliuin candidum. Kew Gardens; also at Birmingham, 1911-3 (C.W.Lowe). /Ecidia in Aprd, May; mature teleuto- spores from June. (Fig. 70
. The propagation of plants ; giving the principles which govern the development and growth of plants, their botanical affinities and peculiar properties; also, descriptions of the process by which varieties and species are crossed or hybridized, and the many different methods by which cultivated plants may be propagated and multiplied . Plant propagation. and oyer these place old, half-decomposed sod, then fill np 'with a jnixtiire of fine leaf-mold and silyer sand. Smooth the sniface, and make it as level as possihle, then scatter the spores and leave them without any cov- ering of soil or o Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-propagation-of-plants-giving-the-principles-which-govern-the-development-and-growth-of-plants-their-botanical-affinities-and-peculiar-properties-also-descriptions-of-the-process-by-which-varieties-and-species-are-crossed-or-hybridized-and-the-many-different-methods-by-which-cultivated-plants-may-be-propagated-and-multiplied-plant-propagation-and-oyer-these-place-old-half-decomposed-sod-then-fill-np-with-a-jnixtiire-of-fine-leaf-mold-and-silyer-sand-smooth-the-sniface-and-make-it-as-level-as-possihle-then-scatter-the-spores-and-leave-them-without-any-cov-ering-of-soil-or-o-image232019087.htmlRMRDDAKY–. The propagation of plants ; giving the principles which govern the development and growth of plants, their botanical affinities and peculiar properties; also, descriptions of the process by which varieties and species are crossed or hybridized, and the many different methods by which cultivated plants may be propagated and multiplied . Plant propagation. and oyer these place old, half-decomposed sod, then fill np 'with a jnixtiire of fine leaf-mold and silyer sand. Smooth the sniface, and make it as level as possihle, then scatter the spores and leave them without any cov- ering of soil or o
. Experiments with plants. Botany. 224. Summer spores, or uredo- spores (I'ed nist stage), of the Black Stem Rust of Wheat. Autumn spores, or teleuto- spores (black rust stage), of the Black Stem Rust of Wheat. (uredospores) earlier, the other (teleutospores), later in the season. The uredospores germinate during the summer; they send out germ-tubes which enter the stomata of the leaf (Fig. 226). The teleutospores rest â â during the winter; in the spring they germinate, producing conidia (Fig. 227, c),which are borne by the wind to the leaves of the Barberry plant; here they germinate, penetr Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/experiments-with-plants-botany-224-summer-spores-or-uredo-spores-ied-nist-stage-of-the-black-stem-rust-of-wheat-autumn-spores-or-teleuto-spores-black-rust-stage-of-the-black-stem-rust-of-wheat-uredospores-earlier-the-other-teleutospores-later-in-the-season-the-uredospores-germinate-during-the-summer-they-send-out-germ-tubes-which-enter-the-stomata-of-the-leaf-fig-226-the-teleutospores-rest-during-the-winter-in-the-spring-they-germinate-producing-conidia-fig-227-cwhich-are-borne-by-the-wind-to-the-leaves-of-the-barberry-plant-here-they-germinate-penetr-image232355788.htmlRMRE0M50–. Experiments with plants. Botany. 224. Summer spores, or uredo- spores (I'ed nist stage), of the Black Stem Rust of Wheat. Autumn spores, or teleuto- spores (black rust stage), of the Black Stem Rust of Wheat. (uredospores) earlier, the other (teleutospores), later in the season. The uredospores germinate during the summer; they send out germ-tubes which enter the stomata of the leaf (Fig. 226). The teleutospores rest â â during the winter; in the spring they germinate, producing conidia (Fig. 227, c),which are borne by the wind to the leaves of the Barberry plant; here they germinate, penetr
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 462 DAVALLIA DEAKBORN tion in a temperature of 65-70° and kept moderately moist, a number of small plants will develop from the dormant eyes, which may be separately potted as soon as of sufficient size. Spores of Davallia should be sown on a fine compost of soil, leaf-mold or peat and sand in equal parts, and Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/cyclopedia-of-american-horticulture-comprising-suggestions-for-cultivation-of-horticultural-plants-descriptions-of-the-species-of-fruits-vegetables-flowers-and-ornamental-plants-sold-in-the-united-states-and-canada-together-with-geographical-and-biographical-sketches-gardening-462-davallia-deakborn-tion-in-a-temperature-of-65-70-and-kept-moderately-moist-a-number-of-small-plants-will-develop-from-the-dormant-eyes-which-may-be-separately-potted-as-soon-as-of-sufficient-size-spores-of-davallia-should-be-sown-on-a-fine-compost-of-soil-leaf-mold-or-peat-and-sand-in-equal-parts-and-image232010896.htmlRMRDD07C–. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 462 DAVALLIA DEAKBORN tion in a temperature of 65-70° and kept moderately moist, a number of small plants will develop from the dormant eyes, which may be separately potted as soon as of sufficient size. Spores of Davallia should be sown on a fine compost of soil, leaf-mold or peat and sand in equal parts, and
. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. AUTOBASIDIOMYCETES 441 distortions on young shoots of Andromeda lignstrina. Galls of this latter form are hollow, bag-like structures which may attain a length of five or six inches. Richards employed the large form on Andromeda and Exo- basidium Vaccinii in some cross inoculations and was able to develop the leaf spot form of the gall on Andromeda from Exo- basidium Vaccinii, and also to produce this same form through spores from the galls on Andromeda. He also directs attention t Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/fungous-diseases-of-plants-with-chapters-on-physiology-culture-methods-and-technique-fungi-in-agriculture-autobasidiomycetes-441-distortions-on-young-shoots-of-andromeda-lignstrina-galls-of-this-latter-form-are-hollow-bag-like-structures-which-may-attain-a-length-of-five-or-six-inches-richards-employed-the-large-form-on-andromeda-and-exo-basidium-vaccinii-in-some-cross-inoculations-and-was-able-to-develop-the-leaf-spot-form-of-the-gall-on-andromeda-from-exo-basidium-vaccinii-and-also-to-produce-this-same-form-through-spores-from-the-galls-on-andromeda-he-also-directs-attention-t-image232124957.htmlRMRDJ5N1–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. AUTOBASIDIOMYCETES 441 distortions on young shoots of Andromeda lignstrina. Galls of this latter form are hollow, bag-like structures which may attain a length of five or six inches. Richards employed the large form on Andromeda and Exo- basidium Vaccinii in some cross inoculations and was able to develop the leaf spot form of the gall on Andromeda from Exo- basidium Vaccinii, and also to produce this same form through spores from the galls on Andromeda. He also directs attention t
. A text-book of botany for secondary schools. Botany. Fig. 132,—Sporophores oi a PeroTioapora fcrm ris^ ing through the stomat^ of the host-leaf (potato), branching, and bear- ing spores; this form causes potato-rot.—Aft- er Strasbukger.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Coulter, John Merle, 1851-1928. New York, D. Appleton Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-text-book-of-botany-for-secondary-schools-botany-fig-132sporophores-oi-a-perotioapora-fcrm-ris-ing-through-the-stomat-of-the-host-leaf-potato-branching-and-bear-ing-spores-this-form-causes-potato-rotaft-er-strasbukger-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-coulter-john-merle-1851-1928-new-york-d-appleton-image231953252.htmlRMRDAAMM–. A text-book of botany for secondary schools. Botany. Fig. 132,—Sporophores oi a PeroTioapora fcrm ris^ ing through the stomat^ of the host-leaf (potato), branching, and bear- ing spores; this form causes potato-rot.—Aft- er Strasbukger.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Coulter, John Merle, 1851-1928. New York, D. Appleton
. Fungi; their nature, influence, and uses;. Fungi. 144 FUNGI. end of its vegetation. The two forms of spores in this genus are constantly found on the same leaf, and in the same pulvinule, but generally the pulverulent spores abound at the commence- ment of the summer. The reniform sporules begin to germinate in a great number as soon as they are free; some few extend a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Cook Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/fungi-their-nature-influence-and-uses-fungi-144-fungi-end-of-its-vegetation-the-two-forms-of-spores-in-this-genus-are-constantly-found-on-the-same-leaf-and-in-the-same-pulvinule-but-generally-the-pulverulent-spores-abound-at-the-commence-ment-of-the-summer-the-reniform-sporules-begin-to-germinate-in-a-great-number-as-soon-as-they-are-free-some-few-extend-a-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-cook-image232374943.htmlRMRE1GH3–. Fungi; their nature, influence, and uses;. Fungi. 144 FUNGI. end of its vegetation. The two forms of spores in this genus are constantly found on the same leaf, and in the same pulvinule, but generally the pulverulent spores abound at the commence- ment of the summer. The reniform sporules begin to germinate in a great number as soon as they are free; some few extend a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Cook
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig. 102, ^ 1. I^eaf of Cheat, showing numerous small specks, the perithecia of Septoria Bromi, the spores in the perithecia shown at 2. [%'V.n^:'i^:^^l.:- ;,:-';-.;i±l-.:.l.!'A' In a somewhat extended account of this disease Cobb states that the entire plant is not always involved. The fungus is variable, its character depending upon the host which it attacks. On Poa annua the leaf is mainly involved and in many cases is totally d Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-manual-of-poisonous-plants-chiefly-of-eastern-north-america-with-brief-notes-on-economic-and-medicinal-plants-and-numerous-illustrations-poisonous-plants-fig-102-1-ieaf-of-cheat-showing-numerous-small-specks-the-perithecia-of-septoria-bromi-the-spores-in-the-perithecia-shown-at-2-vnil-il-l!a-in-a-somewhat-extended-account-of-this-disease-cobb-states-that-the-entire-plant-is-not-always-involved-the-fungus-is-variable-its-character-depending-upon-the-host-which-it-attacks-on-poa-annua-the-leaf-is-mainly-involved-and-in-many-cases-is-totally-d-image232314821.htmlRMRDXRWW–. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig. 102, ^ 1. I^eaf of Cheat, showing numerous small specks, the perithecia of Septoria Bromi, the spores in the perithecia shown at 2. [%'V.n^:'i^:^^l.:- ;,:-';-.;i±l-.:.l.!'A' In a somewhat extended account of this disease Cobb states that the entire plant is not always involved. The fungus is variable, its character depending upon the host which it attacks. On Poa annua the leaf is mainly involved and in many cases is totally d
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. EUTHAI.LEPHYTA—EUMYCETES—RUSTS 231. Fig. 67. Qover Sust. Uromyces Trifolii. (Hedw.) I,ev. 1. Aecidium spores; above,, two cluster cups in which the aecidiospores are found. 2. White clover leaf showing the distortions produced by the aecidium stage. 3. Red clover leaf showing clusters of uredo spores. 4. Uredo spores. 5. Teleuto spores. 6. An uredo cluster more magnified than in 3. Figs. 1, 2, and 3 after Miss Howell. Remainder by Mi Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-manual-of-poisonous-plants-chiefly-of-eastern-north-america-with-brief-notes-on-economic-and-medicinal-plants-and-numerous-illustrations-poisonous-plants-euthailephytaeumycetesrusts-231-fig-67-qover-sust-uromyces-trifolii-hedw-iev-1-aecidium-spores-above-two-cluster-cups-in-which-the-aecidiospores-are-found-2-white-clover-leaf-showing-the-distortions-produced-by-the-aecidium-stage-3-red-clover-leaf-showing-clusters-of-uredo-spores-4-uredo-spores-5-teleuto-spores-6-an-uredo-cluster-more-magnified-than-in-3-figs-1-2-and-3-after-miss-howell-remainder-by-mi-image232315028.htmlRMRDXT58–. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. EUTHAI.LEPHYTA—EUMYCETES—RUSTS 231. Fig. 67. Qover Sust. Uromyces Trifolii. (Hedw.) I,ev. 1. Aecidium spores; above,, two cluster cups in which the aecidiospores are found. 2. White clover leaf showing the distortions produced by the aecidium stage. 3. Red clover leaf showing clusters of uredo spores. 4. Uredo spores. 5. Teleuto spores. 6. An uredo cluster more magnified than in 3. Figs. 1, 2, and 3 after Miss Howell. Remainder by Mi
Search Results for Leaf with spores Cut Out Stock Images & Pictures (123)
Page 2 of 2