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; B. T. 26:63. 



L. coerulescens Peck 



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



broad. 



D.^ 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 JMorg. 

 D.- Pileus 5-10 cm. or more broad; plants not be- 

 coming blackish ; stipe bulbous or clavate. 

 E.^ Flesh only becoming reddish when broken ; 

 pileus not umbonate ; margin even. S. 29 ; 

 M. 61; J. M. 13:8; St. 14; Mc. 35. 



L. rhacodes Vitt. 

 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; J. 



M. 13 :9 L. ainericana Peck 



B.- Plants not changing color as above. 



C.^ Pileus with erect, pointed scales ; annulus somewhat 

 cobwebby. 

 D.i Pileus brown. S. 34; H. 55; M. 62; J. M. 12: 

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

 L. acntesquamosa Weinm. L. aspcruJa Atk. 

 D.- Pileus white. J. M. i2:202..L. gcuiinata Morg. 

 C.- Pileus and annulus not as above. 



D.^ Pileus usually more than 8 cm. broad. 



E.^ Lamellae and spores green. S. 31 ; H. 50, 

 51 ; Mc. Z7; A. 80; V. 61 ; J i\. 13-8. 



L. inorgani Peck 



