The Agaricaceae of Ohio. 535- 



J. AI. II : 245; Jour. Cin. Soc. NaL 

 Hist. 18:36, (pi. I f. 2). 



M. tnelanopus Morg. 

 A.^ Stipe pruinate, pubescent, velvety-tomentose, etc., not gla- 

 brous. 

 B.^ Stipe solid or stuffed, not hollow at least when young,, 

 not horny. 

 C.^ Taste mild ; stipe not strigose or downy at the base. 

 D.^ Lamellae broad, whitish or yellowish. S. 510,- 

 Mc. 224; A. 131; H. 136; St. 2: 142; J. M. 

 1 1 : 205 ; M. 190 ; P. R. 23 : 124. 



M. oreades Fr.. 

 D.^ Lamellae narrow, brown or brownish. S. 511; 

 M. 190 ; J. AL II : 205 ; P. R. 23 : 125. 



M. planciis Fr. 

 C.^ Taste acrid or bitter ; base of stipe strigose or con- 

 spicuously downy. 

 D.^ Margin of pileus not striate ; lamellae free, dis- 

 tant. S. 504 ; St. 2 : 140 ; H. 138; Mc. 223 ; M. 



189 ; J. M. 1 1 : 202 M. urens Fr. 



D.- Margin striate ; lamellae attached or seceding,, 

 close or subdistant. 

 E.^ Lamellae rather broad, close; stipe yellow 

 or rufescent. S. 504; J. M. 11:204; St. 

 2: 141 ; H. 148, 149; M. 190; Mc. 223. 



M. peroiiatus Fr.. 

 E.- Lamellae narrow, subdistant ; stipe reddish- 

 brown above, to blackish-brown at base.. 

 S. 16:57; P- R- 51:287; J. M. 11:202. 

 M. subnudus (Ellis) Peck 

 B.- Stipe hollow. 



C.^ Pileus white, whitish or pallid. 

 D.^ Lamellae decurrent. 



E."^ Pileus usually less than 6 mm. broad. J- M. 



12 : 6; M. 193 M. clavaeformis Berk. 



E.- Pileus 6-15 mm. broad. S. 561; J. M. 12:5. 



M. leiicoccphalns ]Mont 



