. Comparative morphology of Fungi. Fungi. EUASCOMYCETES 167 The forms of the Plectascales to be discussed here fall into six families: the Gymnoascaceae, Aspergillaceae, Onygenaceae, Trichocomaceae, Terfeziaceae and Elaphomycetaceae. The Gymnoascaceae and Asper- gillaceae have simple perithecia, without or with a loose pseudoparenchy-. Fig. 103.—Amauroascus verrucosus. 1, 2. Fundaments of copulation branches. 3, 4. Ascogonium develops parthenogenetically, while nuclei degenerate in antheridium. 5. Knot of ascogenous hyphae being surrounded by sterile hyphae. 6. Young perithecium with ascogenou
. Comparative morphology of Fungi. Fungi. EUASCOMYCETES 167 The forms of the Plectascales to be discussed here fall into six families: the Gymnoascaceae, Aspergillaceae, Onygenaceae, Trichocomaceae, Terfeziaceae and Elaphomycetaceae. The Gymnoascaceae and Asper- gillaceae have simple perithecia, without or with a loose pseudoparenchy-. Fig. 103.—Amauroascus verrucosus. 1, 2. Fundaments of copulation branches. 3, 4. Ascogonium develops parthenogenetically, while nuclei degenerate in antheridium. 5. Knot of ascogenous hyphae being surrounded by sterile hyphae. 6. Young perithecium with ascogenous hyphae. 7. Older stage with young asci. ( X 600; after Dangeard, 1907.) matous peridium. In the highest representatives of the second family, the perithecia develop to complicated structures which are divided by sterile veins into ascogenous nests. The third to sixth family include high forms with complicated and much differentiated fructifications. In the Onygenaceae and Trichoco-. 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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