. Elements of botany. Botany; Botany. -^-^S^ Fig. 66.— Shapes of Margins of Leaves. a (1), finely serrate; (2), coarsely serrate; (3), doubly serrate, b (1), finely dentate; (2), sinuate dentate; (3), d o u 1> 1 y dentate, c, deeply sinuate, d. wavy, e (1), crenate or scalloped; (2), doubly crenate.. Fig. 67.—Netted Veining (pinnate) in tlie Leaf of the Foxglove. Examine both surfaces of the leaf with the glass and look for hairs distributed on the surfaces. Describe the manner in which the hairs are arranged. The various forms of leaves are classed and described by- botanists with great mi

. Elements of botany. Botany; Botany. -^-^S^ Fig. 66.— Shapes of Margins of Leaves. a (1), finely serrate; (2), coarsely serrate; (3), doubly serrate, b (1), finely dentate; (2), sinuate dentate; (3), d o u 1> 1 y dentate, c, deeply sinuate, d. wavy, e (1), crenate or scalloped; (2), doubly crenate.. Fig. 67.—Netted Veining (pinnate) in tlie Leaf of the Foxglove. Examine both surfaces of the leaf with the glass and look for hairs distributed on the surfaces. Describe the manner in which the hairs are arranged. The various forms of leaves are classed and described by- botanists with great mi Stock Photo

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. Elements of botany. Botany; Botany. -^-^S^ Fig. 66.— Shapes of Margins of Leaves. a (1), finely serrate; (2), coarsely serrate; (3), doubly serrate, b (1), finely dentate; (2), sinuate dentate; (3), d o u 1> 1 y dentate, c, deeply sinuate, d. wavy, e (1), crenate or scalloped; (2), doubly crenate.. Fig. 67.—Netted Veining (pinnate) in tlie Leaf of the Foxglove. Examine both surfaces of the leaf with the glass and look for hairs distributed on the surfaces. Describe the manner in which the hairs are arranged. The various forms of leaves are classed and described by- botanists with great minuteness/ not simply for the study of 1 See Kerner and Oliver's Natural History of Pkmts, vol. I, pp. 623-637.. 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.. Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn

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RMPG4ABM–. Elements of botany. Botany; Botany. LEAVES. 87 Notice that the leaf is traiversed lengthwise by a strong midrib and that many so-called veins run from this to the margin. Are these veins parallel ? Hold the leaf up toward the light and see how the main veins are connected by smaller veinlets. Examine with your glass the leaf as held to the light and make a careful sketch of portions of one or two veins and the intersecting veinlets. How is the course of the veins shown on the upper surface of the leaf ?. -^-^S^ Fig. 66.— Shapes of Margins of Leaves. a (1), finely serrate; (2), coarsely serra

RMRDHHYP–. Elements of botany. Botany; Botany. LEAVES. 87 Notice that the leaf is traiversed lengthwise by a strong midrib and that many so-called veins run from this to the margin. Are these veins parallel ? Hold the leaf up toward the light and see how the main veins are connected by smaller veinlets. Examine with your glass the leaf as held to the light and make a careful sketch of portions of one or two veins and the intersecting veinlets. How is the course of the veins shown on the upper surface of the leaf ?. -^-^S^ Fig. 66.— Shapes of Margins of Leaves. a (1), finely serrate; (2), coarsely serra

RMPG4ABH–. Elements of botany. Botany; Botany. -^-^S^ Fig. 66.— Shapes of Margins of Leaves. a (1), finely serrate; (2), coarsely serrate; (3), doubly serrate, b (1), finely dentate; (2), sinuate dentate; (3), d o u 1> 1 y dentate, c, deeply sinuate, d. wavy, e (1), crenate or scalloped; (2), doubly crenate.. Fig. 67.—Netted Veining (pinnate) in tlie Leaf of the Foxglove. Examine both surfaces of the leaf with the glass and look for hairs distributed on the surfaces. Describe the manner in which the hairs are arranged. The various forms of leaves are classed and described by- botanists with great mi

RMRCM04R–. Elements of botany. Plants. Fig. 66.—Shapes of Margins of Leaves. a (1), finely serrate ; (2), coarsely serrate; (3), doubly serrate, b (1), finely dentate; (2), sinuate dentate; (3), doubly dentate, c, deeply sinuate, d. wavy, e (1), crenate or scalloped; (2), doubly crenate.. Fig. 67. —Netted Veining (pinnate) in the Leaf of the Foxglove. Examine both surfaces of the leaf with the glass and look for hairs distributed on the surfaces. Describe the manner in which the hairs are arranged. The various forms of leaves are classed and described by botanists with great minuteness,^ not simply for

RMRCM04T–. Elements of botany. Plants. -^^^s^. Fig. 66.—Shapes of Margins of Leaves. a (1), finely serrate ; (2), coarsely serrate; (3), doubly serrate, b (1), finely dentate; (2), sinuate dentate; (3), doubly dentate, c, deeply sinuate, d. wavy, e (1), crenate or scalloped; (2), doubly crenate.. 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.. Bergen, Joseph Y. (Joseph Young), 1851-1917; Bergen, Joseph Y. (Joseph Young), 1851-1917.