. Comparative morphology of Fungi. Fungi. 376 COMPARATIVE MORPHOLOGY OF FUNGI solved and the four nuclei lie in one cell (Fig. 252, 3). Now the basal cell is formed, so that the lowest of the four nuclei is separated in a restored trichophoric cell. The middle nuclear pair increases in size and. Fig. 252.—Development of asci in Laboulbenia Gyrinidarum and L. chactophora. 1. Mature archicarp. 2. The nucleus of the carpogenic cell has divided, that of the tricho- phoric cell is dividing. 3. Plasmogamy completed. 4. Row of cells consisting of the basal uninucleate supporting cell, the basal binuc
. Comparative morphology of Fungi. Fungi. 376 COMPARATIVE MORPHOLOGY OF FUNGI solved and the four nuclei lie in one cell (Fig. 252, 3). Now the basal cell is formed, so that the lowest of the four nuclei is separated in a restored trichophoric cell. The middle nuclear pair increases in size and. Fig. 252.—Development of asci in Laboulbenia Gyrinidarum and L. chactophora. 1. Mature archicarp. 2. The nucleus of the carpogenic cell has divided, that of the tricho- phoric cell is dividing. 3. Plasmogamy completed. 4. Row of cells consisting of the basal uninucleate supporting cell, the basal binucleate supporting cell, the fertile cell and the upper binucleate supporting cell. 5. Longitudinal section of ascogenous cell. 6. Two active ascogenous cells. 7 to 9. Development of ascospores. (1, 4 X 300; 2, 3, 5 X 400; 6 X 900; 7, 8 X 1,200; 9 X 600; after Faull, 1912.) divides conjugately. The upper cell becomes a sterile cell and the lower alone remains fertile. Its nucleus divides again and cuts off a binucleate fertile cell (Fig. 252, 4). Hereupon it may form the fundament of the. 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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