. Comparative morphology of Fungi. Fungi. Fig. 5.—Mucor Mucedo. 1. Sporangium with spor- angial wall, m; sporangiospores, sp; and columella, c. 2. Sporangium rupturing intermediate substance, z. (After Brefeld.) Fig. 6.—Penicillium crusta- ceum. Conidiophores. St, ster- igma; Ph, phialide; M, metula; A, primary branch. (After Strasburger.) called pycnia (pycnidia) and the conidia themselves (for better differ- entiation from other conidia) are called pycnospores, pycnidiospores or stylospores. In case the pycnia arise by growth and division of a single portion of a hypha with the aid of neighb
. Comparative morphology of Fungi. Fungi. Fig. 5.—Mucor Mucedo. 1. Sporangium with spor- angial wall, m; sporangiospores, sp; and columella, c. 2. Sporangium rupturing intermediate substance, z. (After Brefeld.) Fig. 6.—Penicillium crusta- ceum. Conidiophores. St, ster- igma; Ph, phialide; M, metula; A, primary branch. (After Strasburger.) called pycnia (pycnidia) and the conidia themselves (for better differ- entiation from other conidia) are called pycnospores, pycnidiospores or stylospores. In case the pycnia arise by growth and division of a single portion of a hypha with the aid of neighboring branches of the same hypha, the method is called meristogenous. If they arise by the inter- twining and coiling of hyphae of different origin, however, their method is called symphyogenous. These distinctions have a limited value as these types pass into each other and are at times found in the same spe- cies, , the pycnia of Phoma conidiogena are formed entirely meristo- genously with poor media and more symphyogenously with good media (Schnegg, 1915; Kempton, 1919; B. O. Dodge, 1923a). These different spore forms—oidia, gemmae, conidia, etc.—may be formed on a suitable part of the haplont (rarely also on the diplont in. 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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