REPORT OF THE STATE BOTANIST I9II I05 



A sterile form sometimes occurs in which the lamellae are per- 

 sistently pale or yellowish. In young plants slight vestiges of a 

 veil sometimes are visible. 



Psilocybe uda (Pers.) Fr. 



MOIST PSILOCYBE 

 Sylloge V, p. 1045 



Pileus .fleshy, thin, convex becoming plane, rugulose when dry, 

 tawny bay becoming yellowish ; lamellae subdistant, adnexed, ventri- 

 cose, whitish becoming purplish brown ; stem equal, elongated, thin, 

 tough, fibrillose, hollow, straight or slightly wavy, pale above, 

 ferruginous below ; spores purplish brown, 16-20 x 7-9 /a. 



Pileus 2-3 cm broad ; stem 5-8 cm long, 2-3 mm thick. 



Gregarious. In swamps among sphagnum and other mosses. 

 Albany and Oswego counties. September and October. 



The spore dimensions here given are taken from American speci- 

 mens and agree with those given in Sylloge. Some English authors 

 give much smaller dimensions, 10 x 5 jix. 



Var. elongata (Pers.) Sacc. has the pileus striate on the 

 margin when moist, even when dry. The color of the moist pileus 

 is livid or greenish yellow, of the dry pileus pale yellowish. Gre- 

 garious. Among sphagnum. July to September. Albany and 

 Fulton counties. 



Psilocybe cernua Vahl has been rei)ortc(l but its identity 

 is not well established and it is therefore omitted. 



