The .Igaricaccac of Ohio. 527 



F.- Taste mild. 



G.' Slipc becoming blackish when 



bruised or dried; pilous fjlabrous, 



bright red. margin striate. I>. T. 



33: J 14... A', nigrcsccntipes Peck 



G.- Stipe not becoming blackish. 



II.' I ' i 1 e u s tul)erculose-striate on 

 margin, less than 3.5 cm. 

 broad. S. 479; K. 85; M. P.. 

 116: 95; Mc. 208. 



R. puellaris Fr. 

 11.- Pilcus even on margin, more 

 tiian 3.5 cm. (except some- 

 times R. purpurina.) 

 1} Pileus dry, subvelvety or with 

 velvety appearance, rim- 

 ose - areolate, sometimes 

 becoming yellowish; stipe 

 usually red or tinged with 

 red. S. 461 ; St. 2: 119; 

 K. 68; M. B. 116:79; 

 Mc. 195; H. 187. _ 



R. lepida Fr. 

 I.- Pileus glabrous, viscid, not 

 rimose; stipe white (ex- 

 cept in R. purpurina). 

 ]} Pileus rugose-wrinkled ; 

 cuticle not reaching 

 margin; stipe solid. 

 S. 465; St. 2: 122; K. 

 74; M. B. 116:82; 

 Mc. 198; H. 189. 



R. vesca Fr. 

 J.- Pileus not rugose ; stipe 

 stuffed or spongy 

 within, sometimes hol- 

 low when old. 



