322 Mycological Bulletin No. 77 [Vol. V. 



f. Gills and stem violaceous at first C. siibfJc.vipcs Pk. 



ff. Gills and stem pallid to brownish 



g. On rotten wood: pileus watery cinnamon. .C ligiiiariiis Pk. 

 gg. On ground or moss; pileus bay to chestnut 1)rown ; 



annulus often distinct C. castaiicoidcs Pk. 



cc. Stem with no annulus, or annulus evanescent 

 (/. Stem 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 yel- 

 lowish C. alboviolacciis (Pcrs.) 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. simiilans Pk. 



ff. Color of plant deep chrome, unchanging C. callistciis Fr. 



fff. Color of plant watery-cinnamon or rufous-cinnamon (moist) 

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



phanous C. subsalmoneus sp. not'. 



gg. Stem red; pileus hygrophanous, pinkish-ochraceous (dry).. 



C. rtibipcs Kauff. 



dd. Stem siibcqital or tapering doi^'iii\.'ard 

 e. Pileus distinctly hygrophanous 



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

 g. Gills and stem violaceous when j^oung 



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



C. eastaneus (Bull.) Fr. 



hh. Stem slender; spores G-7/i^ long 



i. Gills and stem pale reddish violaceous at first; pileus 



blackish-brown ; in woods C. siibflexipes Pk. 



ii. Gills dark-violaceous at first ; pileus fuscous, tinged 



violaceous; on sphagnum C. fiiseot'inlaceits Pk. 



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



C. pulelier Pk. 



ff. I'ileus broader than 2 cm. 



g. Pilet's tawny orange to cinnamon ; stem ])ale 



C. iiniieiilaeit.^ (SeliaetT.) Fr. 



gg. Pileus w:tery-cir.r.an'.on ; gills very distant. .. .('. di.Uuiis I'k. 



ggg. Filers and sttm pale laxencU'r; stem long and atleu- 



tuated C. evenieii.'; Fr. 



CO. Pileus not hygrophanous 



f. Pileus chestnut or cinnamon color 



g. Stem whitish,, soon dingy to brownish ... .T. n.'.f/ir "<•////.? I'k. 

 gg. Stem yellow, no oblivaceous tinge 



b. (Jills a( first yellnw C. eiiinaiiKiiiien.'; (I..) Fr. 



fill, (iills at lirst fiame scarlet 



C". seini.uiniiiiinen.s thiiiiiueii.^ Kaiitt. 

 lilil'. Gills rt first flrirk blood-red ..-. .('. seiiiisaiiiiiiiiieti.'! Ur 



