

THE AGARICACEAE OF MICHIGAN 



(ee) Pileus not purple. 

 1 1 i Whole plant pale violaceous to violaceous-white. 



(g) Spores 8-10.5 micr. long; pileus and stem tinged 



lilaceous. 333. C. michiganensis Kauff. 

 (gg) Spores 10-12 micr. long; bulb with remains of a 

 white universal veil. 324. C. caesiocyaneus Britz. 

 (ff) Pileus not entirely violaceous. 



(g) Spores 13-16 micr. long; pileus yellow to tawny; stem 



violet. 319. C. atkinsonianus Kauff. 

 (gg) Spores 10-12 micr. long, 

 (h) Pileus dull tawny-red; stem pallid, scarcely lilac- 

 violaceous. 331. C. purpureophyllus sp. nov. 

 (hh) Pileus violet-buff to ochraceous; stem violaceous- 

 blue; cortina copious. 321. C. velicopia sp. nov. 

 (cc) Without violet or purplish color, 

 (d) Gills with green color at first. 337. C. virentophyllus sp. 



nov. 

 (dd) Gills not green, 

 (e) Pileus light red to vermillion at first. 

 (f) Gills caesius (bluish-gray) at first; spores 15-18 micr. 



long. 325. C. rubens sp. nov. 

 (ff) Gills whitish at first; spores 10-12.5 micr. long. 342. 

 C. sublateritius Pk. 

 (ee) Pileus not red. 

 (f) Gills at first yellow; pileus yellow tawny, rusty or orange- 

 fulvous, 

 (g) Pileus coarsely corrugate; stem long, 7-12 cm. 341. 



C. corrugatus Pk. 

 (gg) Pileus not corrugate; stem short, stout, with broad 

 bulb, 

 (h) Taste of flesh slowly bitter; spores 15-19 micr. long. 



326. C. elegantioides sp. nov. 

 (hh) Taste not bitter; spores smaller. 



(i) Pileus, etc., pale sulphur-yellow. 339. C. fulmineus 



var. sulphureus var. nov. 

 (ii) Pileus tawny-yellow, orange-fulvous, etc., large, 

 (k) Spores 12-14 micr. long; bulb of stem scarcely 



depressed. 340. C. elegantior Fr. var. 

 (kk) Spores 9-12 micr. long, bulb broad, much de- 

 depressed. 338. C. fulgens Fr. 

 (ff) Gills not yellow at first, 

 (g) Gills caesius or pallid-bluish at first; flesh of pileus 

 at first whitish, 

 (h) Pileus fulvous-streaked on a steel-gray ground-color; 

 spores 8-9 micr. long; stem at length yellowish- 

 stained. 336. C. gJaucopus Fr. 

 (hh) Pileus not streaked, pallid-alutaceous to russet-tan; 

 spores 10-12 micr. long; stem whitish. 335. G. 

 aleuriosmus Maire var. 

 (gg) Gills at first whitish, 

 (h) Pileus pale olivaceous-straw color; bulb small. 323. 



C. olivaceo-straminetis Kauff. 

 (hh) Pileus without any olive tint, 

 (i) Pileus hoary-canescent on an ochraceous-buff to 

 rusty ground-color. Spores 7-9 micr. long. 343. 

 C. multiformis Fr. 

 (ii) Pileus and stem white; spores 9-11 micr. long. 

 345. C. albidus Pk. 

 (aa) Stem equal, clavate or bulbous; bulb not marginate. 



I Stem viscid or glutinous from the universal veil. (Myxacium.) 

 Stem cylindrical, 6-13 cm. long; spores large, more than 10 

 micr. long. 



