. Comparative morphology of Fungi. Fungi. USTILAGINALES 603 This degeneration goes still further in U. Panici-frumentacei; where the promycelium is no longer four-celled but only two-celled. The distal cell is generally elongated and germinates to a sprout mycelium (Fig. 397, 12 and 13). In still other species, , Thecaphora deformans on Leguminosae, in U. Vaillantii on Scilla, etc., and U. longissima on Glyceria, no true pro- mycelium is formed. In Thecaphora deformans, the smut spores germi- nate in nutritive solutions to much-branched mycelia which cut off sprout cells (one apiece?) on d
. Comparative morphology of Fungi. Fungi. USTILAGINALES 603 This degeneration goes still further in U. Panici-frumentacei; where the promycelium is no longer four-celled but only two-celled. The distal cell is generally elongated and germinates to a sprout mycelium (Fig. 397, 12 and 13). In still other species, , Thecaphora deformans on Leguminosae, in U. Vaillantii on Scilla, etc., and U. longissima on Glyceria, no true pro- mycelium is formed. In Thecaphora deformans, the smut spores germi- nate in nutritive solutions to much-branched mycelia which cut off sprout cells (one apiece?) on dichotomous tips. These fall away easily and develop to new mycelia. On germination of the smut spores of U. Vail- lantii in water, there emerge slender, uninucleate, germ tubes which. \J. 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 Gäumann, Ernst Albert, 1893-1963; Dodge, Carroll William, 1895-. New York [etc. ] McGraw-Hill Book Company, Inc.
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