•ooO Proceedings of the Ohio State Academy of Science. 



F.~ Stipe not as above; lamellae adnate. S. 

 755; St. 2S3; H. 264; M. B. 122: 154. 

 P. curvipes (A. & S.) Fr. 

 E.- Pileus hygrophanous, glabrous. 



F.^ Pileus less than 2 cm. broad; lamellae 

 very broad for size of pileus; stipe 

 subglabrous. S. 759; St. 235; H. 262; 



M. 104 P. unicolor Vahl. 



F.^ Pileus usually more than 2 cm. broad; 



stipe fibrillose or somewhat scaly. 



G.^ Margin of pileus even; lamellae 



rather broad ; stipe blackish -brown 



below. S. 758; St. 235: ]\lc. 278; 



H. 263; M. 103. 



P. mutabilis (Schaeff) Fr. 



G.- Margin striate ; lamellae narrow ; 



stipe concolorous or paler. S. 



758; St. 235 : ^I. 104 : H. 265 ; Mc. 



279 P. marginata Batsch 



INOCYBE FR. 



A.^ Pileus and stipe squarrose- or tomentose-scaly, some shade 

 of brown ; stipe concolorous or nearly so. 

 B.^ Pileus hemispherical to expanded, obtuse, floccose-scaly, 

 scales of disk pointed ; spores nodulose or angular. S. 

 765; ^1. 103; M. B. 139: 51; St. 240. 



/. lanuginosa Bull. 

 B.- Pileus convex to expanded, spores even or slightly ir- 

 regvdar. 

 C} Pileus umbonate; stipe soon hollow. S. 763; H. 271 ; 



y\. 105 ; St. 240 /. dulcamara Alb. & Schw. 



C.- Pileus not umbonate; stipe solid. S. 764; H. 271; 



St. 241 /. cincinnata Fr. 



A.- Pileus and stipe not squarrose-scaly, usually fibrillose ; stipe 

 paler than pileus or pileus at first whitish or pallid. 

 B.^ Whole plant becoming red or reddish; flesh white. S. 

 776; ]\r. 106 ; St. 249 /. destricta Fr. 



