2Tov. 1907] North American Species of Agaricaceae 251 



Growing on the ground in humid situations in mountain 

 regions. N. Carohna and Pensylvania, Schiveinitz; Pacific 

 Coast Cat. Pileus 2-4 cm. in diameter; stipe 7-10 cm. long, 3-4 

 mm. thick. 



18. PSILOCYBE UDA Persoon, Synopsis, 1801. Cooke 

 Illustr. 569. 



Pileus fleshy, thin, convex then explanate, rugulose, not 

 viscid, testaceous to fulvous, expallent but not hygrophanous. 

 Stipe slender, elongated, fistulous, tough, glabrous or fibrillose, 

 pale tawny or ferruginous. Lamellae rather broad, adnexed or 

 adnate, ventricose, at first whitish becoming purple ; spores ob- 

 long, 16-20 X 7-9 mic. 



Growing in sphagnous marshes ; New England, Sprague; 

 New York, Peck. Pileus 1-3 cm. in diameter; stipe 6-9 cm. long, 

 2-3 mm. thick. 



19. PSILOCYBE SUBERICAEA Fries, Icones Selec- 

 TAE. 1880. Cooke, Illustr. 588. 



Pileus fleshy, convex then explanate, smooth and glabrous, 

 fulvous. Stipe short, fistulous glabrous, yellowish. Lamellae 

 very broad, sinuate-adnate, pallid then blackening; spores brown, 

 ovoid-oblong, 12-14x6 mic. 



Growing in sterile fields ; Alabama, Underwood and Earle. 

 Pileus 3-5 cm. in diameter ; stipe 4-5 cm. long, 3-4 mm. thick. 

 Much resembling Ps. ericaea, but the stipe is shorter, the pileus 

 more dilated and it occupies a very different habitat. 



20. PSILOCYBE ELONGATIPES Peck, 29 N. Y. Rep. 

 1876. 



Pileus thin, convex then expanded, smooth, moist, yellow. 

 Stipe elongated, rather fragile, flexuous, stuffed or hollow, silky- 

 fibrillose, pallid to rufous. Lamellae broad, subdistant, ventri- 

 cose, yellowish becoming brown; spores brown, elliptic, 10-12 

 mic. long. 



Growing among Sphagnum in marshes and wet places in 

 woods; New York, Peck. Pileus 1-2 cm. in diameter; stipe 8-12 

 cm. high, 2 mm. thick. 



21. PSILOCYBE PLUTONIA B. & C; Fungi Cub. 77. 

 1867. 



Pileus thin convex then plane, glabrous, brown. Stipe taper- 

 ing downward, slightly fistulous, glabrous, brown. Lamellae 

 broad, rounded behind, adnate, brown ; spores brown, subglobose. 



Growing on dead wood; Cuba, Wright. Pileus 1-2.5 cm. in 

 ■diameter ; stipe 5 cm. high, 2 mm. thick. 



