Inocybe nodulosa Kauffman 1924

Inocybe nodulosa C. H. Kauffman, sp. nov
Pileus rather thin, conic to campanulate, then expanded-umbonate, 2-5 cm. broad; surface dry, with appressed fibrils, the umbo glabrous, at length subrimose to rimose, raw-umber (R) on the center; margin paler; context whitish, firm; lamellae adnexed, medium-broad, close, whitish to avellaneous, finally cinnamon-brown; stipe equal above the emaxginatedepressed bulb, stuffed, subfibrillose, whitish and pruinose at the apex, yellowish-brown or umber downward to a white-mycelioid bulb, 4-7 cm. long, 2-5 mm. thick; spores angularnodulose, subquadrate, subtriangular or sometimes subrectangular to subglobose, with coarse, obtuse nodules, often one fourth of the diameter of the spore, 7-9.5 fj. in diameter; cystidia thin-walled, subcylindric to subventricose above a short pedicel, rounded above, hyaline, scattered to few on the sides, more numerous on the edges of the lamellae, 50-65 X 12-18 /t.
Type collected on the ground in coniferous woods. Camp Kanosa, Adirondack Mountains, New York, August 25-31, 1915, W. A. Murrill (herb. N. Y. Bot. Gard.). Distribution: Maine and Canada to New York.