Nov. 1907] North American Species of Agaricaceae 253 



26. PSILOCYBE NITIDIPES, A. (Hypholoma) niti- 

 DiPES Peck, 35 N. Y. Rep. 1882. 



Pileus fleshy, firm, convex, glabrous or obscurely fibrillose, 

 whitish or yellowish. Stipe solid, nearly equal, whitish, silky- 

 shining. Lamellae close, adnexed, whitish or subcinereous, be- 

 coming rosy-brown, the edge white ; spores ovoid, rosy-brown, 

 5-6x4-4.5 mic. 



Growing on damp shaded earth ; New York, Peck. Pileus 

 5-7 cm. in diameter; stipe 5-10 cm. high, 6-8 mm. thick. 



27. PSILOCYBE DICHROMA B. & C, Fungi Cub. 

 75. 1867. 



Pileus thin, conic then plane, glabrous, fulvous. Stipe fistu- 

 lous, glabrous, white. Lamellae thin, distant, adnexed, fuscous; 

 spores purple-brown. 



Growing on rotten wood; Cuba, Wright. Pileus 1-1.5 cm. 

 in diameter ; stipe 2-3 cm. high, 2-3 mm. thick. Resembling at 

 first sight Naucoria copriniceps B. & C. 



28. PSILOCYBE CAERULIPES Peck, 38 N. Y. Rep. 

 1884. 



Pileus thin, subcampanulate then convex, subumbonate, glab- 

 rous, hygrophanous, slightly viscid, watery-brown and striatulate 

 when moist, yellowish or subochraceous when dry. Stipe slender, 

 equal, flexuous, tough, stuflFed or hollow, pruinose at the apex, 

 slightlv fibrillose, bluish. Lamellae close, adnate, grayish-tawny, 

 becoming rusty-brown, the edge white; spores elliptic, 8-10 x 

 4-5 mic. 



Solitary or caespitose; growing on decaying wood; New 

 York, Peck. Pileus 1-2 cm. in diameter; stipe 2.5-4 cm. long, 

 scarcely 2 mm. thick. 



VI. PILOSACE Fries, Nov. Symb. Myc. 185 i. 



Pileus various, fleshy to suhmemhranaceous, convex or canir- 

 panulate. Stipe fistulous, stuffed or hollozv, mostly smooth and 

 glabrous; annulus none. Lamellae free from the stipe, becoming 

 brown or purplish-brown ; spores brown or purplish-brown. 



A genus corresponding to Pluteus among the Rhodosporae. 



I. EXIMIAE. Pileus sub membranaceous, the surface smooth 

 end glabrous. Stipe slender, fistulous, smooth and glabrous. 



