. Comparative morphology of Fungi. Fungi. 306 COMPARATIVE MORPHOLOGY OF FUNGI special perithecial wall, gradually reduced to a naked core. It seems better to interpret the thyriothecia in the light of the pycnothecia and the ascomata of Plectodiscella and to defer further conclusions until ontogenetic. Fig 204 —Trichothyrium fimbriatum on Meliola. A. Upper surface of leaf showing points of infection. B. The same enlarged. C. Periphery of mat. Some mycelium of Meliola still visible in the middle. D, E. Hyphal bands. F, H. Formation of fructifica- tions. I. Section of immature fructifications. J
. Comparative morphology of Fungi. Fungi. 306 COMPARATIVE MORPHOLOGY OF FUNGI special perithecial wall, gradually reduced to a naked core. It seems better to interpret the thyriothecia in the light of the pycnothecia and the ascomata of Plectodiscella and to defer further conclusions until ontogenetic. Fig 204 —Trichothyrium fimbriatum on Meliola. A. Upper surface of leaf showing points of infection. B. The same enlarged. C. Periphery of mat. Some mycelium of Meliola still visible in the middle. D, E. Hyphal bands. F, H. Formation of fructifica- tions. I. Section of immature fructifications. J. Ascospores. (A X AA\ -» X 8; D to 1 X 285; J X 750; after Arnaud, 1918.) investigations of the Microthyriaceae are made. The actual striking correspondence between the habit of Meliola and of the Microthyriaceae would then be regarded as convergence 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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