326 THE AGARICACEAE OF MICHIGAN 



(ff) Stem equal, attenuated below or subventricose ; not 

 definitely thickened at the base, 

 (g) Pileus watery-brown, bay-brown or chestnut color 

 when moist, 

 (h) Gills distant or subdistant, brownish at first, 

 (i) Stem rather stout, 5-12 mm. thick. 



(k) Stem normally annulate by a white zone; gills 



distant. 434. C. distans Pk. 

 (kk) Stem not annulate. 

 (1) Stem subequal, gills brown, close to sub- 

 distant. 452. C. uraceus Fr. 

 (11) Stem equal; gills purplish-brown, distant. 

 417. C. adustus Pk. 

 (ii) Stem 3-5 mm. thick, pallid at first. 453. G. 

 juberinus Fr. var. 

 (hh) Gills close or crowded. 



(i) Stem with remnants of the veil; gills brownish- 

 ochre at first; spores 7 x 3.5 micr. 435. C. nigrel- 

 lus Pk. 

 (ii) Stem subsilky; gills reddish-umber at first; spores 

 7-10 x 6.5 micr. 454. C. praepallens Pk. 

 (gg) Pileus not dark brown, 

 (h) Flesh olivaceous to green. • 



(i) Pileus and stem fulvous to tawny-fulvous. 407. 



C. malicorius Fr. 

 (ii) Pileus and stem light olive. 410. C. raphanoides 

 Fr. 

 (hh) Flesh not olivaceous-green, 

 (i) Stem stout, 8-12 mm. thick, 

 (k) Pileus, gills and stem yellow; spores subglobose. 



404. C. luteus Pk. 

 (kk) Pileus, gills and stem white or whitish, taste 

 bitterish. 397. C. ochroleucus Fr. 

 (ii) Stem 3-6 mm. thick. 



(k) Stem peronate by a yellow sheath; gills saffron- 

 yellow; pileus rusty color when moist. 425. 

 C. paludosus Pk. 

 (kk) Stem not peronate. 



(I) Stem with white annular zone; pileus yellow- 



ish, fragile. 426. C. hinnuleus Fr. var. 



(II) Stem not annulate. 



(m) Pileus hairy, tawny; stem short, pallid to 



pale tawny. 400. C. basalis Pk. 

 (mm) Pileus silky to appressed tomentulose; 

 gills yellow, 

 (n) Stem rather long, 4-10 cm. 

 (o) Pileus obtusely conic-campanulate, ruf- 

 ous-fulvous; with stem streaked with 

 rufous-fulvous fibrils. 403. C. croceo- 

 conus Fr. 

 (oo) Pileus campanulate-convex, yellowish- 

 cinnamon, tawny, etc., stem chrome- 

 yellow. 401. C. cinnamomeus Fr. 

 (nn) Stem short, 2-4 cm. long, 

 (o) Spores 10-12.5 micr. long; pileus cinna- 

 mon-brown; odor of radish. 405. C. 

 aureifolius Pk. 

 (oo) Spores 6-7 micr. long; pileus cinna- 

 mon; gills saffron-yellow to orange. 

 406. C. croceofolius Pk. 



