248 /oiirnal of Mycology [Vol. IS 



6. PSILOCYBE FOENISECII Persoon, Ic. et descr. 

 FUNG. 1799. Synopsis, 1801. Peck, N. Y. Rep. 1903. 



Pileus fleshy, campanulate then convex and expanded, obtuse, 

 glabrous, hygrophanous, brown or reddish-brown when moist, 

 paler when dry. Stipe slender, fistulous, smooth and glabrous, 

 pallid, rufescent. Lamellae broad, adnate, ventricose, subdistant, 

 umber-brown; spores brown, elliptic-oblong, 11-14x6-9 mic. 



Growing in the rich soil of grassy grounds, on lawns, in 

 meadows, along roadsides, etc. Recorded from Atlantic to Pacific 

 States, probably common everywhere. Pileus 1-3 cm. in diameter; 

 stipe 5-9 cm. long, 2-4 mm. thick. 



7. PSILOCYBE PHYLLOGENA, A. (Hypholoma) 



PHYLLOGENUS PeCK, 26 N. Y. ReP. 1873. 



Pileus firm, convex, hygrophanous, reddish-brown when 

 moist, alutaceous when dry. Stipe equal, stufTed or hollow, fibrill- 

 ose, expanding at the base into a thin flat disk. Lamellae broad, 

 close, brown, the edge white ; spores pale brown, subglobose, 5 

 mic. in diameter. 



Growing on fallen leaves in woods ; New York, Peck. Pileus 

 4-8 m. m. in diameter; stipe 1.5-2.5 cm. long, i mm. thick. A 

 very small but distinct species, remarkable for the flat disk by 

 which it is attached to the leaves. 



8. PSILOCYBE ARENULINA Peck, 30 N. Y. Rep. 1877. 

 Pileus convex then explanate or centrally depressed, glabrous, 



hygrophanous, dark brown and striatulate when moist, livid- 

 white when dry. Stipe tapering slightly upward, fistulous, whit- 

 ish, arising from a mycelial bulb. Lamellae close, cinnamon- 

 brown, becoming darker with age; spores subelliptic, 10 mic. long. 

 Growing in sandy soil; New York, Peck; Michigan, Kauff- 

 man. Pileus 1-3 cm. in diameter; stipe 4-6 cm. long, 2 mm. 

 thick. 



b. Lamellae rather narrozv. 



9. PSILOCYBE UNICOLOR Peck, 53 N. Y. Rep. 1899. 

 Pileus thin, broadly convex then expanded, hygrophanous, 



when wet brown and striatulate, pale brown or whitish when 

 dry. Stipe short, equal, glabrous, stufTed or hollow, brownish. 

 Lamellae narrow, close, adnexed, brown, at length darker ; spores 

 elliptic, 6x4 mic. 



Growing on prostrate mossy trunks. New York, Peck. 

 Pileus 1-2 cm. in diameter; stipe 1.5-2 cm. long, 2 mm. thick. 

 Related to Ps. camtopoda. 



