522 Proceedings of the Ohio State Academy of Science. 



H.- Pileus azonate ; lamellae 4-10 

 mm. broad. S. 428; Al. 184; 

 N. A. F. 180; P. R. 38: 121. 

 L: affinis Peck 

 G.- Pileus lurid to ash-gray or snuff- 

 brown. 

 H.' Pileus usually mure than 8 cm. 

 broad ; viscidity slimy, persist- 

 ent ; lamellae rather broad ; 

 stipe cream-yellow. S. 430; 

 M. 183; H. 170; P. R. 38: 

 120; N. A. F. 181: Si. 2:98. 

 L. trivialis Fr. 

 PI.- IMleus usually less than 8 cm. 

 broad ; viscidity thin, disap- 

 pearing; lamellae rather nar- 

 row; stipe cinereous. S. 428; 

 M. 184; P. R. T,^: 122; N. A. 

 F. 190; H. 173. 



L. ciiierea Peck 

 B.- Latex mild or onl}- slightly acrid. 



C Pileus ash-gray, somewhat viscid. . . .L. cinerea Peck 

 C.- Pileus some shade of yellow or brown, dry. 



D.' Lamellae distant ; pileus yellow to fulvous. S. 

 448; N. A. F. 196; P. R. 38: 129; H. 174; M 



184; Mc. 180 L. hygroph oroides B. & C. 



D.- Lamellae close. 



E.' Pileus zonate; fulvous to brownish. S. 449; 

 N. A. F. 176; St. 2: no. . .L. ichorata Fr. 

 E.- Pileus azonate. 



¥.'' Pileus glabrous. 



G.^ Flesk thick, becoming brownish on 

 exposure to air; stipe stout. S. 

 447: H. 178; P. R. 38: 130; N. A. 

 F. 195; Mc. t8o: A. 115; M. 184; 

 St. 2 : T09. 



L. voleiua Fr. 



L. h^ctif.ua (L.I BurL 



