The Agaricaceae of Ohio. 483 



A.- Pileus dry ; not viscid. 



B.^ Plants changing color when bruised, or markedly so in 

 drying. 



C} Plants becoming bluish; pileus usually less than 3 

 cm. broad. S. 16:9; J. M. 12:246; R. T. 26:63.' 



L. cocnilesccns Peck 



C- Plants not becoming bluish ; pileus more than 3 cm. 



broad. 



D.i Pileus 3-5 cm. broad; flesh becoming reddish 



when bruised, whole plant reddish when 



handled and finally blackish when dried ; stipe 



not bulbous or clavate. J. M. 12:246. 



L. rufesccns Morg. 



D.- Pileus 5-10 cm. or more broad; plants not l)e- 



coming blackish ; stipe bulbous or clavate. 



E.i Flesh only becoming reddish when broken ; 



pileus not umbonate ; margin even. S. 29 ; 



AT. 61; T. M. 13:8; St. 14; Mc. 2>S- 



L. rhacodcs \'itt. 

 E.- Whole plant becoming reddish or reddish- 

 brown; pileus broadly umbonate; margin 

 more or less striate. S. 43; H. 49, 50; 

 Mc. 48; M. 62; A. 80; P. R. 35:159;.!. 



M. 13:9 L. amcricana Peck 



B.- Plants not changing color as above. 



C.^ Pileus with erect, pointed scales; annulu. ,M)mewhat 

 cobwebby. 

 D.i Pileus brown. S. 34; H. 55; M. Cm: ]. AI. 12: 

 200. 201 ; A. 81. 82; Mc. 40; P. R. 35:154. 

 L. anifcsqitainosa Weinm. L. aspenila .\tk 

 n.- i'ilcus white. J. Ai. 12:202../.. (/einiiiafa Morg. 

 C." Pileus and amiulus not as above. 



D.' Pileus usually more than 8 cm. liroad. 



E.^ Lamellae and s])()res green. S. 31; II. 50, 

 51 : .Mc. ^y: .\. 80: .M. 61 ; J .M. 13 s." 



L. iii(>r</(Uii Peck 



