Inocybe prominens Kauffman 1924

Inocybe prominens C. H. Kauffman, sp. nov
Inocybe umboninota Peck, N. Y. State Mus. 139: 58, in part. 1910.
Pileus fleshy, conic to comc-campanulate, often subexpanded, usually prominently umbonate, the umbo acute at first, 2-5 cm. broad; surface dry, innately fibrillose, glabrescent, subrimose to rimose, chestnut-brown (R) to Argus-brown (R), the umbo darker and glabrous; context compact, whitish, unchanged; lamellae adnexed, rather broad, ventricose, at length sinuate, close, white at first, then pale-cinnamon-brown; stipe equal above the bulbous base, the bulb ovoid to subemarginate, persistently stuffed, innately fibrillose-striatulate, whitish when young, becoming brown, white-pruinose upward, white-mycelioid at the base, 4^8 cm. long, 3-8 mm. thick; spores angulartuberculate, not very distinct, usually subrectangular or irregularly subglobose, 6-8 X 4r-6 fi; cystidia thinwalled, subcylindric, rounded at the apex, on a slender pedicel, hyaline, scattered on the sides, abundant on the edges of the lamellae,
55-75 X 12-18 (-22) M.
type collected in Ulster County, New York, Peck (N. Y. State Herb.)
Habitat: On the ground in woods.
Distribution: Massachusetts, New York, Washington, and Oregon.