88 Journal of Mycology [Vol. 13 



ee. Pileus not villose-squamulose, cinnamon to chestnut color 



f. Gills and stem violaceous at first. .C. subfiexipes Pk. 

 ff. Gills and stem pallid to brownish 



g. On rotten wood ; pileus watery cinnamon .... 



C. ligniarius Pk. 

 gg. On ground or moss ; pileus bay to chestnut 



brown ; annulus often distinct 



C. castaneoides Pk. 

 cc. Stem with no annulus, or annulus evanescent 

 d. Stern bulbous or clavatc 

 e. Bulb depressed-marginate ; gills heliotrope purple when 



young C. obliqiius Pk. 



ee. Bulb clavate to subclavate 



f. Color of plant lilac to violaceous-white 



g. Plants of medium size, violet tinge evanescent, never 

 yellowish C. alboviolaceus (Pers.) Fr. 



gg. Plants medium to large, lilac tinge persistent. . . . 



C. lilacinus Pk. 

 ggg. Plants medium to small, violaceous to cinereous, 



tinged yellow or brown C. simulans Pk. 



ii. Color of plant deep chrome, unchanging 



C. callisteus Fr. 

 fff. Color of plant watery-cinnamon or rufous-cinnamon 

 (moist) 

 g. Stem whitish, pileus rufous-cinnamon to tan ; not 



hygrophanous C. subsahnonen^ sp. nov. 



gg. Stem red ; pileus hygrophanous, pinkish-ochraceous 



(dry) C. rubipes Kauff. 



dd. Stem snbequal or tapering downward 

 e. Pileus distinctly hygrophanous 



f . Plant small ; pileus 2 cm. broad or less 

 g. Gills and stem violaceous when young 



h. Stem stout, smooth ; spores 7-9/x long 



C. ca-staneus {Bull.) Fr. 

 hh. Stem slender ; spores 6-7/u, long 



i. Gills and stem pale reddish violaceous at 

 first; pileus blackish-brown ; in woods. . 

 C. subflexipes Pk. 

 ii. Gills dark-violaceous at first ; pileus fus- 

 cous, tinged violaceous; on sphagnum... 

 C. fnscotnolaceus Pk. 

 gg. Gills ochraceous, pale ; stem whitish, not slender. . 



C. pulcher Pk. 

 ii. Pileus broader than 2 cm. 



g. Pileus tawny orange to cinnamon ; stem pale 



C. armeniacus (Schaeif.) Fr. 



gg. Pileus watery-cinnamon; gills very distant 



i C. distans Pk^ 



