Figure 281.—Psathyrella hirta.
Hirta means hairy, rough or shaggy.
Pileus thin, hemispherical or convex, adorned when young with erect or spreading tufts of white, easily determined and quickly evanescent hairs; hygrophanous, brown or reddish-brown and slightly striatulate when moist, pale grayish-brown or dingy-whitish when dry, flesh subconcolorous; lamellæ broad, moderately close, adnate and often furnished with a decurrent tooth, at first pallid, becoming blackish-brown or black; stem flexuose, squamose, hollow, shining, white; spores elliptical, black, .0005 to .00055 inch long, .00025 to .0003 broad.
Subcæspitose; pileus 4 to 6 lines broad; stem 1 to 2 inches long to 1 1-5 lines thick. The specimens in Figure 281 were found in the greenhouse at the State University. When quite young tufts of white hair were very conspicuous. They are scarcely observed in mature specimens. The plants were photographed by Dr. Kellerman.
Gomphidius. Fr.
Gomphidius is from a Greek word meaning a wooden bolt or peg.
The hymenophore is decurrent on the stem. The gills are decurrent, distant, soft, somewhat mucilaginous; edge acute, pruinate with the blackish fusiform spores; veil viscoso-floccose, forming an imperfect ring around the stem.
A small, but distinct, genus, with great difference among species; intermediate by its habits between Cortinarius and Hygrophorus.
Gomphidius viscidus. Fr.
Viscid Gomphidius.