Pileus slightly fleshy, hemispheric or campanulate, then expanded and umbonate, 2-3 cm. broad; surface dry, densely flocculose-squamose or squarrose-scaly, especially on the, disk, umber-colored to tawny; cortina grayish-white, evanescent; context pallid; lamellae annexed, seceding, close, rounded behind, pallid-clay-colored then bright-cinnamon, the edges white- flocculose; stipe equal, stuffed then hollow, fibrillose-subscaly, subconcolorous, paler and naked at the apex, 2-4 cm. long, 2.5-3 mm. thick; spores elliptic-subglobose, prominently covered with blunt nodules, sometimes subglobose and stellate, 9-12 (-15) x 7-9 M (incl. maculae); cystidia broadly subcylindric, some subventricose, on a short pedicel, thin-walled, hyaline, scattered to few, rarely more numerous on the sides, rather abundant on the edges of the lamellae, 50-65 X 15-25 u; sterile cells numerous on the edges of the lamellae.
TYPE LOCALITY: Austria. HABITAT: On mossy, very rotten wood.
DISTRIBUTION: New York, Washington, Oregon, and Idaho; also in Europe.
ILLUSTRATIONS: Bres. Fungi Trid. pi. 117; Cooke, Brit. Fungi pi. 425 (409) B; Pat. Tab. Fung 550; Ricken, BlÃ¤tterp. Deutschi. pi. 29, f. 7.