. Nature and development of plants. Botany. Fig. 145. Fig. 146. Fig. 145. Head of rye infested by the parasite, Claviceps, which has transformed several of the grains into black masses of mycelium known as sclerotia. Fig. 146. Various phases in the life history of Claviceps: A, a young grain or with the parasite. B, enlarged view of the mycelium as it appears on the surface of the pistil, showing the formation of numerous spores. C, the hyphae of a sclerotium growing out and forming several purplish stalks, each capped with knob-like clusters of ascocarps. D, en- larged Section
. Nature and development of plants. Botany. Fig. 145. Fig. 146. Fig. 145. Head of rye infested by the parasite, Claviceps, which has transformed several of the grains into black masses of mycelium known as sclerotia. Fig. 146. Various phases in the life history of Claviceps: A, a young grain or with the parasite. B, enlarged view of the mycelium as it appears on the surface of the pistil, showing the formation of numerous spores. C, the hyphae of a sclerotium growing out and forming several purplish stalks, each capped with knob-like clusters of ascocarps. D, en- larged Sectional view of one of these knobs, showing numerous ascocarps on the periphery. E, one of the ascocarps enlarged, as, asci. F, an ascus containing eight thread-like 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 Curtis, Carlton Clarence, 1864-1945. New York, H. Holt
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