. Nature and development of plants. Botany. Fig. 149. Fig. 148. A common black fungus, Hypoxylon: A, habit of the fungus as it appears on dead branches and logs. The round black bodies are an association of the mycelium, stroma, and numerous ascocarps. B, a single ascus enlarged, showing character of the ascospores. Fig. 149. The black knot, Plowrightia, infecting a branch of cherry. At the bottom of the branch is shown the early summer or spore-bearing stage, c, and above a black warty mass of ascocarps, as, produced the previous season. Fig. 150. A, several ascocarps enlarged, taken from reg
. Nature and development of plants. Botany. Fig. 149. Fig. 148. A common black fungus, Hypoxylon: A, habit of the fungus as it appears on dead branches and logs. The round black bodies are an association of the mycelium, stroma, and numerous ascocarps. B, a single ascus enlarged, showing character of the ascospores. Fig. 149. The black knot, Plowrightia, infecting a branch of cherry. At the bottom of the branch is shown the early summer or spore-bearing stage, c, and above a black warty mass of ascocarps, as, produced the previous season. Fig. 150. A, several ascocarps enlarged, taken from region, as, in Fig. 149. _ B, diagram of an ascocarp as seen in section, showing the asci and the opening for the escape of the ascospores. This and the following order represent possibly the consumma- tion of those tendencies that we saw appearing in the third line of departure from the Pezizales. As stated they are characterized by their closed ascocarps. 90. Order e. Aspergillales or Blue-green and Brown Fungi.— The Aspergillales includes perhaps the most widely distributed and familiar examples of the fungi. They occur as blue-green or brown moulds upon almost any organic matter, forming a deli- cate mycelium from which are developed numerous erect 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 Curtis, Carlton Clarence, 1864-1945. New York, H. Holt
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