The Agaricaceae of Ohio. 549- 



E.^ Pileus white except for the tawny, erect, 

 pointed scales; lamehae sinuate, at first 

 whitish. S. 750; M. B. 122: 150; A. 152; 

 Mc. 274; H. 266; M. 102. 



P. sqiiarrosoides Peck 

 E.^ Pileus yellow or yellowish-brown. 



F.^ Lamellae at first yellow, close ; stipe yel- 

 low to tawny-brown. S. 752; St. 232; 

 M. B. 122:150; Mc. 276; A. 151; M. 



103 P. adiposa Fr. 



F." Lamellae at first whitish or gray, subdis- 

 tant, edge white-crenulate ; stipe pallid 

 or brownish. S. 760; M. B. 122: 149; 



M. 102 P. alhocrennlata Peck 



B.^ Pileus not viscid. 



C} Pileus and stipe with ]irominent scales ; lamellae 

 rather narrow; stipe 6-12 mm. in diameter. S. 

 749; ]\r. B. 122:152; A. 152; St. 230; Mc. 273; 



H. 268 P. sqnarrosa Miill. 



C.- Pileus and stipe with small or appressed scales or not 



scalv. 



D.^ Pileus more than 5 cm. broad; stipe more than 



I cm. in diameter. 



E.^ Lamellae very broad, sinuate-adnexed ; pileus 



white or slightly yellow ; stipe white. S. 



747; St. 229; H. 263. . ..P. heteroclita Fr. 



E." Lamellae narrow, adnata or slightly decur- 



rent ; pileus tawny or orange-yellow ; stipe 



yellow. S. 751; St. 231; M. B. 122: 154; 



H. 265 ; M. 103 P. spectabilis Fr. 



D." Pileus less than 5 cm. broad ; stipe slender. 

 E.^ Pileus dry, not hygrophanous. 



F.' Stipe bulbous or tuberculatc, lamellae 

 sinuate-adnexed. S. 754; St. 233; M. 

 103. 



P. tuberculosa (Schaeff) Fr. 

 P. hormophora Mont, 



