120 MICHIGAN ACADEMY OF SCIENCE. 



referred here. It was a stouter stipe than the type and may not belong here. 

 Beardslee. 



Pleurotus atropellitus Pk. On decaying wood. Not uncommon. 



Pleurotus ostreatus Fr. Decaying logs and trunks. Rare. 



Pleurotus petaloides Fr. On logs. Not plentiful. 



Pleurotus sapidus Kalchb. Common on trunks and logs. Spring to autumn. 



Pleurotus serrctinus Fr. On logs. Not common. 



Pleurotus ulmarius Bull. On elm trunks. Not common. Autumn. 



Pluteolus expansus Pk. On lawns. Uncommon. Spring and summer. 



Pluteus admirabilis Pk. On old mossy logs. Not plentiful. 



Pluteus cervinus Schaeff. Very common about stumps and much decayed wood. 

 Spring to autumn. 



Pluteus granulans Pk. On old logs frequent. Beardslee. 



Pluteus leoninus (Schaeff) Pers. M. A. C, 1900. 



Pluteus longistriatus Pk. On logs in woods. Not plentiful. 



Pluteus nanus Pers. On old logs. The pileus of this species is distinctly prui- 

 nose. It is smaller than any of the other species I have observed. Beardslee. 



Pluteus subtomentosulus Pk. On an old log. Pure \vhite and tomentose through- 

 out. Beardslee. 



Psathyrella disseminata Pers. Common in moist soil. Summer. 



Psilocybe foonisecii Pers. On lawns and meadows. Plentiful. Summer. 



Russula alutacea Fr. Common in woods. Summer. 



Russula emetica Fr. Common on low ground. Summer. 



Russula fcetans Pers. Common in woods. Summer and autumn. 



Russula lepida Fr. Common in woods. Summer. 



Russula pulverulenta Pk. n. sp. Named from a single specimen found at Pleas- 

 ant Lake, July, 1900. Described in Bull, of Torrey Bot. Club, Feb., 1902. 



Russula rubra Fr. In low woods. Pleasant Lake, July, 1900. 



Russula vesca Fr. Woods. Pleasant Lake, July, 1900. A single specimen. 



Russula virescens Fr. Common in woods. Summer. 



Schizophyllum commune Fr. Very common on decaying timber. 



Strophai'ia aei-uginosa Curt. Ludington, Oct., 1899. Blodgett. 



Stropharia semiglobata Batsch. Common on manured soil. Summer. 



Tricholoma album Schaeff. (Hicks 719.) 



Tricholoma alboflavidum Pk. Common in woods. Summer. 



Tricholoma equestre L. Greenville, Sept. and Oct., 1900. Barlow. 



Tricholoma fuligineum Pk. Greenville, July, 1900. 



Tricholoma ionides Bull. Marquette Co., Sept., 1901. Barlow. A single specimen. 



Tricholoma laterarium Pk. Common in woods. Summer. 



Tricholoma Peckii Howe. Greenville, Sept. and Oct., 1900. Barlow. 



Tricholoma personatum Fr. Var. bulbosum Pk. Comiuon in woods. Summer 

 and autumn. 



Tricholoma tricolor Pk. Leslie, July, 1900. U. P. Exp. Sta., 1900. Wheeler. 



Tubaria furfuracea Pers. Common on decaying wood and herbage. Spring. 



Tubaria luteoalba Longyear. Described in Bot. Gazette. Oct., 1899. On decaying 

 vegetation on wet ground. Rare, M. A. C. 



Trogia crispa Fr. Common on limbs and branches. 



Volvaria pusilla Pers. Naked soil. Not common. 



Volvaria speciosa Fr. In soil full of decaying vegetation. Not plentiful. Sum- 

 mer. 

 Family Polyporese. 



Boletinus pictus Pk. In evergreen woods. Lewiston, Beardslee. 



Boletus Americanus Pk. I frequently found this species in places wehere the fire 

 had recently been through. Beardslee. 



Boletus brevipes Pk. Near conifers. Uncommon. Summer. 



Boletus castaneus Bull. Woods. Common. Summer and autumn. 



Boletus chrysenteron Fr. Woods. Common. Summer and autumn. 



Boletus chrysenteron var. albocarneum Pk. Woods. Rare. Summer. Green- 

 ville. 



Boletus Clintonianus Pk. Woods and shady places. Not plentiful. Autumn. 



Boletus cyanescens Bull. Woods. Uncommon. Summer and autumn. 



Boletus felleus Bull. Woods and shady places. Common. Summer and autumn. 



Boletus flavidus Fr. Near conifers. Not common. Summer. 



Boletus Frostii Russell. Woods. Rare. Summer. 



B. granulatus L. In open woods. Lewiston, Beardslee. 



Boletus griseus Frost. Woods. Rare. Summer. 



