752 



THE AGARICACEAE OF MICHIGAN 



(ee) Stem narrowed toward base, short-rooting. 

 '(f) Gills yellow or yellowish; pileus ochraceous, not stained. 

 817 C. scorzonerea Fr. 

 (ff) Girls white or whitish; pileus stained ferruginous in 

 spots. 817. C. maculata A. & S. 

 (cc) Pileus less than 6 cm. broad. 

 ' (d) Pileus white, small, 4-10 mm. broad 



' (e) Gills narrow; spores narrowly-elliptical, 10 x 4-5 micr. 



(ee) Gills' broad," ventricose; spores subglobose, 4-5 x 3-4 micr. 

 C. alba Pk. 

 f dd) Pileus not truly white. ^ lo , 1Q lot; ™ 



(e) Gills lilac-color, narrow, very crowded; pileus 1-2.5 cm. 



broad. 807. C. myria-dophylla Pk. 

 (ee) Gills some other color, 

 (f) Gills white or whitish. 



(g) Gills rather broad, ventricose. 

 (h) Odor alkaline when crushed; pileus grayish-umber, 

 hygrophanous, striatulate. 801. C. alcalmolens 

 Pk. 

 (hh) Odor not alkaline. 



(i) Taste bitter; pileus pale yellowish-brown, umbili- 



cate. C. esculentoides Pk. 

 (ii) Taste farinaceous; pileus and stem dark rufous- 

 brown, obtuse. 814. C. succinea Fr. 

 (gg) Gills rather narrow. 



(h) Caespitose or densely gregarious on decaying logs; 

 pileus grayish-brown to buff, 

 (i) Pileus subumbilicate, not hygrophanous; gills ad- 



nate. 813. C. abundans Pk. 

 (ii) Pileus obtuse, hygrophanous; gills nearly free. 



802. C. familia Pk. 

 (iii) See also C. dryophila. 

 (hh) Solitary, gregarious or subcaespitose. 



(i) Pileus smoky-brown; not hygrophanous; stem 4-6 



mm. thick, brown. C. fuliginella Pk. 

 (ii) Pileus pale, chestnut, reddish-brown, yellowish 

 brown, waxy-yellow or tan. 

 (k) Stem striate; pileus umbonate; gills crenu- 



late on edge. 797. C. butyracea Fr. 

 (kk) Stem not striate. 



(I) Stem reddish-brown or yellowish, pileus pale 



reddish-brown, yellowish, tan, etc. 798. C. 

 dryophila Fr. 



(II) Stem white or whitish. 



(m) Pileus yellowish-white tinged rufous, 

 slightly rugose; stem strict. S00. G. 

 strictipes Pk. 

 (mm) Pileus reddish -brown to chestnut 

 (moist) ; gills serrate on edge. 799. C. 

 lentinoides Pk. 

 (ff) Gills not at length white or whitish, 

 (g) Gills yellow or yellowish. 



(h) On decaying wood, scattered; pileus yellow; gills 



brownish-red on drying. 804. C. colorea Pk. 

 (hh) On the ground, caespitose; pileus watery-rufous- 

 brown at first, then honey-yellow. 803. C. aquosa 

 Fr. var. 

 (gg) Gills soon rufescent or cinerascent or darker, 

 (h) Pileus pale tan or flesh-reddish (moist) ; gills tinged 

 flesh color. 805. C. acervata Fr. 





