628 Proceedings of the Ohio Stale Aeadeiny of Scien 



ce 



K.' Pileus deep red ; lam- 

 ellae rather nar- 

 row, floccose-cren- 

 ulate on edge. S. 

 474; M. B. ii6: 

 89; Mc. 188; K. 

 83; H._i96. 

 R. purpurina Q. & S. 



K.- Pileus variable in 

 color, purplish, 

 bluish, Yellowish, 

 etc. ; lamellae 

 broad. S. 465 ; M. 

 B. 116:82; St. 2: 

 122; K. 74; H. 

 188; Mc. 198. 

 R. cyanoxantlia (Schaeff.) Fr. 



E.- Pileus without red or purple. 



F.^ Pileus white to yellow or brownish. 



G.^ Margin of pileus even or nearly so ; 



lamellae distant. 



H.^ Pileus very viscid. S. 17:33; 



M. B. 116:83; Oil- Nat. to: 



177 R. carlei Peck 



H.- Pileus not viscid, white. S. 459 ; 



St. 2: 118; .Mc. 194; M. 186. 



R. lac tea (Pers.) Fr. 



G.- !\Iargin of pileus deeply striate and 

 tuberculate ; lamellae rather close. 



H.^ Pileus glutinous at least when 

 young, usually more than 6 

 cm. broad ; plants with amyg- 

 daline orlor. S. 467: M. B. 

 116:85; St. 2: 124; K. 78; 

 Mc. 199; H. 186; M. 187. 



R. foetens (Pers.) Fr. 



