CLASSIFICATION OF AGARICS 263 



<>n tlic ground, subcaespitose or gregarious, in low or Bwampy 

 frondo8e woods. Ann Arbor, South Haven, New Richmond. July- 

 September. Nbl infrequent. 



This species approaches //. velutinum in the character of the 

 spore-surface and habit, the c;i i > Lacks the fibrillose covering of thai 

 species. The shape of the spores is distinctive. 



*** Pileus hygrophanou8 } at the first dotted with superficial 

 fiocculent particles or scales, glabrescent. 



252. Hypholoma incertum Pk. i Kimble) 



N. Y. State -Mns. Rep. 29, L878. 



Illustrations: X. V. State Mus. Bull. 25, PI. 58, Pig. L3-20, L899. 



X. V. State Mils. .Mem. 1. PL CO. Pig. 10, L900. 



Marshall, The Mushroom Book, PI. 28, opp. p. so, L905. 

 Atkinson," Mushrooms, PL 7. Fig. 26 and 27, p. 27, L900. 

 Hard, Mushrooms, PL :57. Pig. 262, p. 324, 1908. 

 Murrill, Mycologia, Vol. 1. PL 56, Fig. 1 (as //. appendicular 



turn ) . 

 Plate LIV of this Report. 



PILEUS 3-7 cm. broad, fragile, at firsl oval, obtuse, then broadly 

 campanulate to expanded, at length split radially, hygrophanous, 

 pale honey-yellowish, then buff to white as moisture disappears, 



white llncculeiil or at Length glabrous, even or Slightly wrinkled 



when i]\y. the margin at first hung with loose shreds of the veil, 

 in age often violaceous, lilac towards margin. PLESB thin. whin-. 

 GILLS adnate-seceding, narrow, almost Linear, thin, close, <it first 

 white, then pale dingy lilac or rosy-brown, finally purplish or darker, 

 edge minutely white-fimbriate. STEM 3-8 cm. Long, 3-6 nun. thick, 

 rather slender, equal, hollow, subrigid, easily splitting Lengthwise, 



even, white, innately silky, flocculose or mealy ahove. SPORES 7-8 



x4 micr., elliptic-oblong, obtuse, smooth, purple brown in mass. 

 CYSTIDIA none on sides ,,r gills. STERILE CELLS sac-shaped, 

 i. e. inflated ahove. obtuse, 30-40x12-15 micr. BASIDIA 32 \ o 

 micr., short chivate. ODOR and TASTE agreeable. 



Densely gregarious or subcaespitose, sometimes scattered, among 



grass On lawns, roadsides, fields or rarely in woods anion- slicks 

 and debris, nearly always around old stumps or buried remains of 

 stumps, roots or decayed w l: sometimes in greenhouses. 



