Jan. 1907] The Genus Cortinarius , with Key 35 



e. Universal veil present ; spores 8-9/x long 



C. olivaceodes sp. nov. 

 ee. No remains of a universal veil; spores 6-7/* long. . . . 



C. olivaceus Pk. 

 dd. Pileus violaceous or purple, or at least tinged 

 violaceous 

 e. Pileus glutinous when young and moist 



f . Stem marginate-bulbous ; gills very narrow and 



crowded ; whole plant violaceous, large 



C. Michiganensis sp. nov. 

 ff. Stem subequal or clavate; gills subdistant, adnate; 



whole plant violaceous-purple, medium size 



C. iodes B. & C. 

 ee. Pileus not glutinous 



f. Flesh and gills turning purple when bruised 



C. purpurascens Fr. 

 ff. Flesh not turning purple 



g. Stem marginate-bulbous; pileus yellowish or 



brownish, tinged violaceous ; medium size 



C. coerulescens Fr. 

 gg. Stem not marginate-bulbous 



h. Pileus yellow ; gills violaceous to cinnamon ; 



stem white with violaceous apex 



C. Berlesianus Sacc. & Cub. 

 {Syn. r= C. tricolor Pk.) 



hh. Pileus and gills lilac ; plant small 



C. croceo-coerulius (Pers.) Fr. 

 ddd. Pileus with neither olivaceous nor violace- 

 ous tints {except the Urst) 

 e. Pileus glutinous 



f . Gills olivaceous ; pileus brownish-ochraceous 



C. glutinosus Pk. 

 ff. Gills whitish at first 



g. Pileus bay-red C. maculipes Pk. 



gg. Pileus pale ochraceous, spores globose 



C. sphoerosporus Pk. 



fff . Gills violaceous at first, spores as in preceding 



C. delibutus Fr. 

 ee. Pileus not glutinous 



f. Stem marginate-bulbous 



g. Gills at first whitish C. multiformis Fr. 



gg. Gills at first blue C. glaucopus Fr. 



ggg. Gills at first yellow. . .C. fulgens {Alb. & Schw.) 

 ff. Stem not marginate-bulbous, clavate to subequal 

 g. Gills and stem pallid at first, soon tinged brown 

 h. Pileus watery-cinnamon to brick-red on disk ; 

 , in woods C. glabrellus sp. nov. 



