. Comparative morphology of Fungi. Fungi. 210 COMPARATIVE MORPHOLOGY OF FUNGI direction of the Sphaeriales, it may become many layered. In many species, as in Erysiphe and Leveillula of the Erysiphaceae, it is symmetri- cal throughout the fructification; in others, as in Microsphaera and Uncinula, it is dorsiventral and is drawn out to a small wart or papilla at the tip; in other species, as in Meliola corallina (Fig. 132, 2), as a definite step in the direction of the Sphaeriales, a true opening, an ostiole, is formed at the top of the perithecium (Bucholtz, 1897). At times the perithecia, as
. Comparative morphology of Fungi. Fungi. 210 COMPARATIVE MORPHOLOGY OF FUNGI direction of the Sphaeriales, it may become many layered. In many species, as in Erysiphe and Leveillula of the Erysiphaceae, it is symmetri- cal throughout the fructification; in others, as in Microsphaera and Uncinula, it is dorsiventral and is drawn out to a small wart or papilla at the tip; in other species, as in Meliola corallina (Fig. 132, 2), as a definite step in the direction of the Sphaeriales, a true opening, an ostiole, is formed at the top of the perithecium (Bucholtz, 1897). At times the perithecia, as in the Erysiphaceae, are provided with appendages, or peri- thecial spines, which, however, are only simple, unbranched and generally. 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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