320 Kauffman : The genus Cortinarius 



Stem stout, 10-20 mm. thick; pileus punctate. 



C, umidicola sp. nov, 

 'Stem more slender, S^io mm. thick ; pileus not punctate. 



C deceptivHS sp, nov. 

 Plants small, subannulate ; pileus less than 3-4 cm, broad, 

 Pileus watery-cinnamon, smooth. 



CI lignarius Pk. 

 Pileus fuscous, when young covered with white, villose fibrils. 



C, paUaceiis (Weinm.) Fr. 

 Stem with no annulus, or annulus evanescent. 

 Stem bulbous or clavate. 



Bulb depressed-marginate ; gills heliotrope-purple when young. 



C obliqims Pk. 



Bulb clavate. 



Color of plant lilac to whitish. 



w 



Plants usually larger than in the next ; lilac color 



persistent. C, lilacimis Pk. 

 Plants of medium size; violet tinge evanescent. 



C alboviolaceiis (Pers.) Fr, 

 Color of pileus some shade of buff. 



C caespitosiis Pk. 

 Color of entire plant deep-chrome, unchanging. 



C callisteus Fr. 

 Stem svibequal or tapering downward. 

 Pileus not hygrophanous, 



Pileus cinnamon-colored ; stem yellow ; no olivaceous tinge. 

 Gills at first yellow. 



C cinnamomsiis (L. ) Fn 

 Gills at first flame-scarlet, 



C semhanguineus Jlamineus var. nov. 

 Gills at first dark blood-red. 



C semisangiiineus Fr. 

 Pileus tawny-olive ; stem yellow, olive-tinged. 



C. croceasYr. 

 Pileus and stem scarlet or blood-red. 



Pileus broad as compared with the rather short stem ; 



spores 8 X 5 /^. C cinnaharinits Fr. 

 Pileus narrower, stem longer ; spores 6 x 4 /f. 



C sanguineus (Wulf. ) Fr. 

 Pileus distinctly hygrophanous. 



Plant small ; pileus 2 cnx. broad or less. 



. Pileus conical at first ; stem slender. 



C subjlexipes Pk. 



Pileus convex at first. 



Stem stout, smooth ; pileus chestnut-colored. 



C casianeus (Bull.) Fr. 

 Stem slender, fibrillose ; pileus fuscous. 



C fuscoviolaceiis Pk. 

 Pileus broader than 2 cm. 



