April 1908] North American Species of Agaricaceae 65 



21. HYPHOLOMA ORUELLUM. A (Hypholoma) 

 ORNELLus, Peck. 34 N. Y. Rep. 1881. 



Pileus convex or nearly plain, slightly scaly, reddish-brown 

 tinged with purple, paler around the margin ; the veil flocculose, 

 appendiculate. Stipe equal or tapering downward, solid, squam- 

 ulose, pale yellow. Lamellae moderately close, pallid or yellow- 

 ish, becoming brown ; spores brown, elliptic, 6-8 x 4-5 mic. 



Growing on decaying wood. New York, Peck. Pileus 2-3 

 cm. in diameter ; stipe 3-5 cm. high, 2-3 m.m. thick. 



22. HYPHOLOMA LONGIPES. Peck. Bull. Torr. 

 Club, 1895. Sylloge XIV, 152. 



Pileus thin, campanulate, hygrophanous ; the surface fibril- 

 lose, at length glabrous, yellow-brown, when dry brown or isa- 

 belline-brown ; the veil flocculose, appendiculate, fugacious. 

 Stipe long, slender, fistulous, white, striate at the apex, white- 

 villous at the base. Lamellae narrow, close, adnate, whitish, be- 

 coming blackish ; spores elliptic, 13 x 7-8 mic. 



Growing on the ground among fallen leaves ; California, 

 McClatchie. Pileus 3-5 cm. in diameter; stipe 5-10 cm. long, 

 2-2 mm. thick. 



23. HYPHOLOMA FLOCCULOSUM. Gymnochilus 

 flocculosus Earle, Hongos Cubanos, 1906. 



Pileus thin, fleshy, convex then expanded, somewhat hy- 

 grophanous, at first of a chocolate-color or red-brown, after- 

 ward paler, especially when dry; the surface when young cov- 

 ered with scattered woolly tufts, but later nearly glabrous ; the 

 margin without striae and at length revolute ; the veil tliin and 

 evanescent : Stipe rather short, firm, hollow, white ; the sur- 

 face minutely roughened to scaly. Lamellae narrow, close, ad- 

 nexed, at first pallid, at length purple-brown ; spores elliptic, 

 7-9 X 5-6 mic. 



Gregarious ; growing in the damp ground underneath build- 

 ings ; Cuba, Earle. Pileus 2-4 cm. in diameter ; stipe 2-4 cm. 

 long, 2-3 mm. thick. 



24. HYPHOLOMA FLOCCULENTUM. McClatchie, 

 Proc. Cal. Acad. 1897. Sylloge XVI, 123. 



Pileus campanulate then convex, ochraceous-brown ; the sur- 

 face when young covered with a thick stratum of white fibrils, 

 these at length to some extent fall away leaving the pileus floc- 

 culent; veil white, lacerate, appendiculate. Stipe nearly straight, 

 equal, usually white, velvety-pulverulent, the apex striate. La- 

 mellae close, adnate, subventricose, at first gray-incarnate, at 



