C. mi´cropus Pk.—short-stemmed. Pileus thin, fragile, convex or centrally depressed, umbilicate, silky, gray, usually with one or two narrow zones on the margin, odor farinaceous. Gills narrow, close, adnate or slightly decurrent, gray, becoming flesh-colored. Stem short, solid, slightly thickened at the top, pruinose, gray with a white mycelium at the base. Spores angular or irregular, 10×6µ.
Pileus 6–12 lines broad. Stem 8–10 lines long, 1 line thick.
Thin woods. Essex and Rensselaer counties. August.
This species is closely allied to the preceding one, but may be separated from it by its short stem and silky umbilicate subzonate pileus. Both species are rare and have been observed only in wet, rainy weather. Peck, 42d Rep. N.Y. State Bot.
Scattered markedly umbilicate. Mt. Gretna, Pa., woods. August, September. McIlvaine.
Edible, pleasant.
2. Pileus hygrophanous.
C. subvi´lis Pk.—small value. Pileus thin, centrally depressed or umbilicate, with the margin decurved, hygrophanous, dark-brown and striatulate on the margin when moist, grayish-brown and silky shining when dry, taste farinaceous. Gills subdistant, adnate or slightly decurrent, whitish when young, then flesh-colored. Stem slender, brittle, rather long, stuffed or hollow, glabrous, colored like the pileus or a little paler. Spores angular, 7.5–10µ.
Pileus 8–15 lines broad. Stem 1.5–3 in. long, 1–2 lines thick.
Damp soil in thin woods. Albany county. October.