The .lyaricaccac uf Ohio. 549 



K.' I'ik'iH wliitc except fur I he lawny, erect, 

 piiinkd scales; lamellae sinuate, at first 

 wliilish. S. 750; M. r.. 122: [50; A. 152; 

 .Mc. 274; M. 2(^C^; M. 102. 



/'. sqiiarrosoidcs I'eck 

 E.- Pileus yel!(i\v or yellowish-hri i\vn. 



1\' Lamellae al first yellow, close; stipe yel- 

 low to tawny-l)r()wn. S. y^^; St. 232; 

 .M. I'.. 122:150; Mc. 276-; .\. 151 : M. 



103 P. adiposa Fr. 



F.'- r.amellac at first whitish or i^ray. subdis- 

 tant, edge white-crenulate ; stipe pallid 

 or l)rownish. S. 760; M. B. 122: 149; 



]M. 102 /'. albocrcnulata Peck 



B." I'ileus not viscid. 



C Pileus and stipe with ])rominent scales; lamellae 

 rather narrow: sti]>e 6-12 mm. in diameter. S. 

 740: M. W. 122: 152; A. 152: St. 230; Mc. 273; 



FT. H^'f^ P. squarrosa Mitll. 



C." Pileus and sti])e with ^:nal] or ap]iressed scales or not 



seal)-. 



D.' Pileus more than 5 cm. hroad ; stii)e more than 



I cm. in (hanieter. 



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



wliile or sh'ghtlv yellow; stipe white. S. 



747: St. 22() : If. 2(^T^. . ..P. hctcrocUta Fr. 



E.- Lamellae narrow, adnate or slightly dccur- 



rent ; pileus tawny or orange-yellow ; sti])e 



yellow. S. 75 T ; St. 231 ; ^L B. 122: 154; 



H. 265 ; M. 103 P. sf^ccfabilis Fr. 



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

 E.' I'iK'Us dr\ . not Ingrophanous. 



F.' ^Upc bulbous or tuberculate. lamellae 

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

 T03. 



P. tuberculosa (Schaeflf) Fr. 

 P. Jionuophora Mont. 



