The Agaricaceae of Ohio. 495 



D.- Pileus glabrous or soon becoming so, or pruinate 



only. 



E.' Lamellae violaceous or lilac; pileus of same 



color or with brownish tinge. 



F.^ Stipe solid, bulbous. S. 130; H. 84; A. 



87; Mc. 79; M. 65; St. 61; P. R. 



44 :6o T. personatum Fr. 



F.- Stipe stuffed or hollow, equal or nearly so. 

 G.^ Pileus hygrophanous, brownish or 

 brownish-violaceous ; flesh whitish. 

 S. 139; H. 62; St. 66; M. B. 131: 

 14; P. R. 44:6T..r. sordidum Fr. 

 G." Pileus not hygrophanous, violaceous 

 when young; flesh violaceous. S. 

 131 ; H. 86; St. 62; Mc. 80; M. B. 



116:39 T- nudum Bull. 



E.- Lamellae not violaceous or lilac. 



F.' Margin of pileus striate or rugose-sulcate. 

 G.' Pileus umbonate, pale lilac, margin 

 striate only; stipe becoming hol- 

 low. S. 126. 



T. consohrinnui B. & Mont. 



G.^ Pileus not umbonate, margin rugose 



or sulcate; stipe solid. 



H.^ Taste mild ; stipe white ; pileus 



pruinate. S. loi ; M. 65 ; H. 



67; P. R. 44:58. 



T. lafcrariuiu Peck 



H.- Taste bitter; stipe yellowish; 



pileus glabrous. S. 129; St. 



60; H. 70.. T. acerbum Bull. 



F.^ Margin of pileus even. 



G.^ Pileus sooty-black or becoming paler ; 

 stipe stuffed or hollow. S. 134; 

 H. 69; M. 66; St. 64. 



T. meJalencuui Pers. 



