The Agarkaceae of Ohio. 565 



HYPHOLO^IA FR. 



A.^ Pileus glabrous except that sometimes cobwebby remnants 

 of the veil occur on the margin. 

 B.^ Pileus hygrophanous. 



C} Lamellae dark violaceous in very young plants, ad- 

 nexed. S. 1038; St. 322; A. 28; Mc. 363; J. M. 



14: 29; AI. 114 H. candollcamiin Fr. 



C.- Lamellae long remaining white or whitish, adnate or 

 mostly so. 

 D.^ Pileus brown or tawny when fresh. S. 1039; 

 St. 323; Ale. 363; A. 27; J. M. 14: 27; H. 



325 ; M. 114 H. appendiculatum Bull. 



D.- Pileus whitish or yellowish. S. 1042; P. R. 29: 

 40; J. AL 14: 27; H. 323; ATc. 362. 



H . incertum Peck 

 B.- Pileus not hygrophanous. 



C.^ Pileus yellow or tinged tawn}- ; lamellae sulfur-yel- 

 low then green. S. 1029; St. 318; J. M. 14: 31; 



Mc. 7,^j ; ]\1. 114 H. fasciculare Huds. 



C.- Pileus red or brownish-red. 



D.^ Taste bitter; mature lamellae sooty-olive. S. 



ro28; St. 323; Ale. 359; A. 26; J. M. 14:31; 



H. 326; AL 114....H. suhlateritium Schaeff. 



D.- Taste not bitter; mature lamellae purple-brown. 



S. T028; H. 327; P. R. 49: 61. 



H. perplexum Peck 

 A.- Pileus innately hbrillose or scaly. 



B.^ Pileus hygro])hanous ; at first velvety or tomentose, be- 

 coming glabrous; lamellae black-spotted. S. 1034; 

 St. 321 ; j. Al. 14: 66; Afc. 360; AL 114. 



H. I'elntinum Pers. 

 B.- Pileus not hygrophanous ; lamellae n^A black-spotted. 

 C} Flesh and veil white ; pileus whitish to brown. S. 

 1033; St. 320; Ale. 361; A. 28; H. 325; A'L 114. 



H. lacrymabundniu Fr. 



