April, 1907] 



Mycological Bulletin No. 76 



315 



eee. Pileus whitish, no greenish tinge 

 f. Stem marginate-bulbous; plant whitish throughout. .C. albidus Pk. 



ff. Stem equal to subequal ; pileus whitish or tinged red 



• C. communis Pk. 



dd. Stem long and bulbous; gills and stem violaceous at first. 

 e. Spores 10-12. 5/1^ long; pileus pale brown; on sphagnum.. 



C. s(>hagnophilus Pk. 



ee. Spores IS-IRa^ long; pileus yellow ; in woods 



C. Atkinsonianus Kauff. 



ddd. Stem not bulbous, long and cylindrical, plant more 

 or less glutinous 

 c. Stem witli evanescent, patch-like scales 



f. (Jills palid at first C. elatior pallidif alius Pk. 



ff. (Jills violaceous at first C. cylindripes Kauff. 



ec. Stem with broken, concentric rings of floccose scales, usually 



somewhat narrowed at base C collinitus Fr. 



cc. Spores smaller, 6-9/^ long 



d. Pileus olivaceous, stem bulbous 

 e. Universal veil present; spores S-9m long. .. .Coli^'aeeoidcs sp. noz'. 

 ee. No. remains of a universal veil; spores 6-7/j- \ong.C. olivaceus Pk. 

 dd. Pileus violaceous or purple, or at least tinged 7'iolaceous 

 c. I'ileus glutinous when young and moist. 



The Key of which the above is a small portion, will be con- 

 cluded in the ]\lay Rulletin. It is also printed entire in pami)hlet 

 form for sale. 



Fig. :?41.— ('"RTINARU S DF.CEPTIVUS K.nuff. 



