. Minnesota plant diseases. Plant diseases. Minnesota Plant Diseases. 26: stumps and cut timber in a manner similar to tlie preceding- species. The velvet-stemmed Collybia rot (Collybia velntipes Curt.). This is an exceedingly abundant fungus especially on cut tim- ber and standing stumps or fallen logs. The fruiting bodies are of the gill-fungus type and usually occur in clusters. The upper surface of the cap is yellowish to tawny and in wet weather is viscid. The gills are light yellow to tawny and produce white spores. The stem is covered with a velvet-Hke coat of a dark brown to blackish c
. Minnesota plant diseases. Plant diseases. Minnesota Plant Diseases. 26: stumps and cut timber in a manner similar to tlie preceding- species. The velvet-stemmed Collybia rot (Collybia velntipes Curt.). This is an exceedingly abundant fungus especially on cut tim- ber and standing stumps or fallen logs. The fruiting bodies are of the gill-fungus type and usually occur in clusters. The upper surface of the cap is yellowish to tawny and in wet weather is viscid. The gills are light yellow to tawny and produce white spores. The stem is covered with a velvet-Hke coat of a dark brown to blackish color, especially toward the base of the stem. The fruiting bodies are about one to three inches in length and. Fic. 131.—Fruiting bodies of the sapid Pleurotus (Pkurotus sapidus), on a standing yellow- birch trunk. Original. the cap about one to two inches across. They may be found at almost all seasons from early spring to late fall. This fungus causes one of the rots of timbers and is usually a saprophyte. It has been observed on living elm trees, however, and is possi- bly a wound-parasite. The elm Pleurotus rot (Pleurotus ulmarius Bull.). This very common gill-fungus is usually found on elms and maple trees,, growing from dead trunks or from wounds in the living 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 Freeman, Edward Monroe, 1875-. Saint Paul, Minn.
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