MICHIGAN ACADEMY OF SCIENCE. 213 



r.satliyra ])ei'siin]>lex P>i'itz. Ou sticks and wood in lieiulocU forest. 



New Kiebmoud. Sept. 

 Psathyra semivestita Berk. & Br. On horse dung. New Richmond. 



Sept. 

 Psilocybe atrobrunnea Fr. Among Sphagnum in bogs. Ann 



Arbor. Sept.-Nov. 

 Psilocybe arenulina Pk. On sandy soil. Port Huron, New Rich- 

 mond. Sept. -Oct. 

 Psilocybe ericaea Fr. On the ground in mixed woods. New 



Richmond. Sept. 

 Psilocybe merdaria Fr. (Deconica merdaria.) On horse dung. 



Ann Arbor. May-June. 

 Psilocybe uda (Fr.) Battaille On horse dung and soil in wet 



woods. New Richmond. Sept. 

 Russula compacta Frost. On the ground in beech and maple 



woods. New Richmond. Aug.-Sept. 

 Russula foetentula Pk. On the ground in frondose woods. Ann 



Arbor, July-Aug. 

 Russula rubescens Beards. On the ground in frondose woods. 



Ann Arbor. July-Aug. 

 Stropharia coronilla Bres. On the ground in mixed woods. New 



Richmond. Sept. 

 Stropharia depilata Fr. Among debris in mixed woods. Mar- 

 quette. Sept. 

 Tricholoma carneum Fr. On the ground among fallen leaves in 



woods. Ann Arbor. Aug.-Sept. 

 Tricholoma cinerascens Fr. On leaf-mould in frondose woods. 



Ann Arbor. Oct. 

 Tricholoma imbricatum Fr. On the ground in coniferous and 



mixed woods. In northern Michigan ; also Detroit, etc. 

 Tricholoma saponaceum Fr. On the ground in frondose woods. 



Ann Arbor, New Richmond. Sept.-Oct. 

 Tricholoma sordidum Fr. On decaying vegetable matter, straw, 



etc. Ann Arbor. Aug.-Oct. 

 Tricholoma terriferum Pk. In frondose woods. Detroit. Oct. 

 Tricholoma tumidum Fr. Among fallen leaves in frondose woods. 



Ann Arbor. Oct. 

 Volvaria bombycina Fr. On trunks of living broad-leaved trees. 



Ann Arbor, Marquette, etc. July-Sept. 

 Volvaria gloiocephala D. C. On decaying vegetation, wood, etc. 



Ann Arbor. Aug. 



