. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 403 Key to Genera op Hypochnaceae Spores colorless, smooth, rarely granular Basidia with two sterigmata Basidia circinate 1. HeUcobasidium. Basidia not circinate Basidia pyriform, beaked 2. Urobasidium. Basidia clavate, not beaked 3. Matruchotia. Basidia with 2-4 rarely 6 sterigmata 4. Hypochnus, p. 403. Basidia with numerous sterigmata Sterigmata small 5. Aureobasidium, p. 405. Sterigmata large 6. Pachysterigma. Spores colored, mostly spiny 7. Tomentella. Hjrpochnus Ehrenberg. Floccose or fungoi
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 403 Key to Genera op Hypochnaceae Spores colorless, smooth, rarely granular Basidia with two sterigmata Basidia circinate 1. HeUcobasidium. Basidia not circinate Basidia pyriform, beaked 2. Urobasidium. Basidia clavate, not beaked 3. Matruchotia. Basidia with 2-4 rarely 6 sterigmata 4. Hypochnus, p. 403. Basidia with numerous sterigmata Sterigmata small 5. Aureobasidium, p. 405. Sterigmata large 6. Pachysterigma. Spores colored, mostly spiny 7. Tomentella. Hjrpochnus Ehrenberg. Floccose or fungoid, rarely thinly fleshy, spreading over the substratum; basidia clavate; spores colorless, smooth or minutely granular. This genus which contains half the species of the family, is. Fig. 290.—H. ochroleucus sporogenous reticulum prior to spore formation. 8 basidia, sterigmata, and spores. After Stevens and Hall. with difficulty distinguished from Corticium from which it differs in the character of its hymenium. H. ochroleucus N. **"'^ Sporogenous reticulum of a very close, irregular net work of hyphae variable in thickness; basidia scattered,. 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 Stevens, Frank Lincoln, 1871-1934. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913
