^3-A Proceedings of the Ohio State Academy of Science. 



C.- Plants without alliaceous odor. 

 D.^ Pileus white or whitish. 



E.^ Stipe arising from a more or less abundant 

 mycelium, not inserted. 

 F.^ Lamellae rather distant, sinuate; stipe 

 entirely glabrous. H. 151; J. M. 



1 1 : 206 j\f. delectans Morg. 



F.- Lamellae rather close, nearly free; stipe 



subpruinate when dry, strigose at 



base. S. 520; St. 2:144; J. M. 



11:207 ...M. crythropus (Pers.) Fr. 



E.- Stipe inserted, mycelium within substratum 



and invisible. S. 525; H. 145; Mc. 226; 



^T. 192; St. 2:146; J. M. 11:235. 



M. calopus (Pers.) Fr. 



D.- Pileus sduie shade of b'rown, yellow, reddish or 



purplish. 



E.' Pileus umbonate; plants growing in a tuft 



with stipes more or less united. S. 522; 



J. M. 11:238 M. cucurbitula Mont. 



E.- Pileus not umbonate; stipes not united. 



F.^ Lamellae united behind but free from 

 stipe; pileus reddish-gray. S. 511; 

 H. 145; M. 192; J. M. 11:208; P. R. 

 24 : 76 M. anomahts Peck 



F.- Lamellae not united behind, attached to 



stipe. 



G.^ Lamellae whitish, close; pileus about 



I cm. broad, striatulate; stipe 



white at top. S. 543; H. 138; P. 



R. 23: 126; J. M. 11:245. 



M. androsaceus (L.) Fr. 



G.- Lamellae purplish-gray, subdistant; 

 pileus 4-6 mm. broad, not striate; 

 stipe not white at top. S. 14 : 104 ; 



