The Agaricaceac of Ohio. 501 



I.- Lamellae subdistant, becom- 

 ing yellowish ; plants 

 growing on deciduous 

 leaves. S. 155; H. 104; 

 M. 68; Mc. 91; St. 76. 



C. phyllophila Fr. 

 ^ Pileus not white when fresh ; sometimes fad- 

 ing to whitish when old. 

 F.^ Pileus hygrophanous. 



G.^ Lamellae rather distant. 



H.^ Plants usually growing on 

 wood, as old logs ; pileus dark 

 watery-brown when moist ; 

 lamellae sordid ; stipe fibrillose. 

 S. 176; H. 105; M. 70; Mc. 

 104; St. 88. 



C. cyathifonnis Fr. 

 H." Plants growing on the ground ; 

 pileus blackish-brown when 

 moist ; lamellae brown-cinere- 

 ous ; stipe glabrous. S. 177; 

 H. loi ; St. 90. 



C. obbata Fr. 

 G." Lamellae close. 



H.^ Pileus pruinate with a leaden 

 bloom ; margin even ; lamellae 

 narrow. S. 178; St. 90; M. 



70 C. pniinosa Lasch 



H.- Pileus glabrous ; margin striate 

 when moist ; lamellae broad. S. 

 9:26; H. 99; P. R. 42:18. 



C. snhditopoda Peck 

 F.- Pileus moist or dry, not truly hy- 

 grophanous. 

 G.' Pileus innate-silky, umbonate when 

 young, umbo often persisting : red- 



