. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. Fia. 124.—lophodermium nervisequium on Abies pectinata (Silver Fir). 1, Under surface of needle with apothecia. 2, Upper surface with pycnidia. Fig. 125.—Lophodermium nervisequium. Section of a needle of Silver Fir. b, Pycnidium on upper surface shedding conidia. a, Apothe- cium on the lower surface. (After R. Hartig.). Fig. 126.—lophoderviium nervisequium on Silver Fir. Portion of a ripe apothe- cium. a a, Filament
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. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. Fia. 124.—lophodermium nervisequium on Abies pectinata (Silver Fir). 1, Under surface of needle with apothecia. 2, Upper surface with pycnidia. Fig. 125.—Lophodermium nervisequium. Section of a needle of Silver Fir. b, Pycnidium on upper surface shedding conidia. a, Apothe- cium on the lower surface. (After R. Hartig.). Fig. 126.—lophoderviium nervisequium on Silver Fir. Portion of a ripe apothe- cium. a a, Filamentous paraphyses; rod-like cells (conidia?), k, abjointed from the apex of the paraphyses; the asci contain eight spores about half as long as the ascus iiself, four occupying the upper half, four the lower ; c, a rudimentary ascus; some mature spores possess a gelatinous coat, others do not; spores escape by an apical opening, e, or by rupture of the ascus, /; two germinating spores are also shown, one with a gelatinous coat, the other without. (After R. Hartig.) time hanging on the twigs. The disease varies in its develop- ment on the mountains and lowlands, according to climatic conditions. ^R. Hartig, WicMige Krankheiten^ 1874, . 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.. Tubeuf, Karl, freiherr von, 1862-1941; Smith, William G. London ; New York [etc. ] : Longmans, Green & co.