The Agaricaccac of Ohio. bbl 



A.- Pileus not b'right red ; edge of lamellae not reddish. 

 B.^ Pileus glabrous ; or villous at base only. 



C.^ Lamellae broad, rounded behind. S. 883 ; P. R. 



39 :/! C. malachius B. & C. 



C.^ Lamellae linear, subdecurrent. S. 877; A-I. no; H. 



280 ; St. 301 C. mollis Schaeff. 



B.- Pileus pubescent, tomentose or somewhat scaly. 

 C.^ Pileus white. 



D.^ Pileus 3-6 mm. broad, slightly pubescent, 

 striatulate when moist; lamellae very broad, 

 extending beyond margin of pileus ; spores 



globose. B. T. 26: 66 (". latif alius Peck 



D.^ Pileus 8-20 mm. broad, villous, not striatulate; 

 lamellae rather broad, not extending beyond 

 margin of pileus; spores subelliptic. S. 888; 

 P. R. 39:72; M. no; H. 279; A. 160. 



C. vers! if us Peck 

 C." Pileus not white. 



D.^ Pileus appressed-scaly, ochraceous-brown ; lam- 

 ellae bright b'uff or orange then ochraceous. 



S. 886; M. no C. crocophyllus Berk. 



D.- Pileus fibrillose-tomentose, reddish-yellow ; lam- 

 ellae yellowish then brownish-ochraceous. S. 

 883, P. R. 39 : 73 ; AL 1 10. . . . C. dorsalis Peck 



CORTINARIUS FR. 



A.^ Pileus viscid or glutinous. 

 B.^ Stipe solid. 



C.^ Stipe equal or nearly so, not bulbous. 



D.^ Stipe viscid or glutinous; pileus orange-tawny; 

 lamellae at first bluish-gray. S. 916; H. 293; 

 St. 2:17; A. 161; Mc. 313. 



C. collinitus (Pers.) Fr. 

 D.- .Stipe dry ; pileus yellow or tan ; lamellae at first 

 whitish. S. 890; H. 291; Mc. 309; St. 2:3. 



C. fnrmalis Fr. 



