10-4 JoiKXAL OF THE MiTCHELL SOCIETY [September 



KEY TO THE SPECIES 



nants growing from bases of stumps or from underground wood ; densely cespi- 

 tose and usually large 



Plant brownish or honey-colored C. tabesceiis (3) 



Entire plant orange colored C. illudcns (5) 



Plants not wood-loving, or if so not densely cespitose and smaller 

 Plants with a distinct odor of sweet fennel or anise 



C. odora var. anisarin (14) 

 Not with an odor of sweet fennel 



Gills golden yellow; cap fibrous lined C. ectypoides (15) 



Gills not golden yellow 



Cap white or tan or buff or fleshy-buff (see also C. infundihuliforviis) 

 Cap large, up to 7-11 cm. broad 



Gills broad, margin of cap lobed or crenate C. gigantea (1) 



Gills narrow, crowded, margin of cap even; plants strongly 



cespitose C. ccrussata (4) 



Cap smaller 



Cap marked by more or less concentric rivulose lines. .C. rivu'osa (20) 

 Cap not so marked 



Growing in open grassy places, cap light buff or fleshy- 

 buff C. dralhdia (19) 



Growing in woods among leaves and sticks, or on much decayed wood 



Growing among pine needles C pinoi)hila (17) 



Not growing in pine woods 



Stem base with radiating hairs ; s])ores 



2.7-3 X 3.8-4.2;u C. setiseda (18) 



Stem base without h:iirs C. adirondackensi.t (11) 



Cap chestnut red or reddish when young, often ochraceous or lighter in 



age 

 Center of cap cracked into minute, inherent scales C. sinopicoidcn (10) 



Center not cracked C. infundihidiformis (9) 



Cap blackish-brown or grayish-lnown or grayish buff or unibcr or drab 

 when moist 

 Taste and odor strongly f:irin:iceous, the cap brown or smoky 



Stem long, white below C. cyiithifoniiifi (16) 



Stem shorter, not white below C. subnigricans (8) 



Taste and odor not farinaceous 



Strongly cespitose, usu;illy with stems fused below into a solid mass 



Cap grayish-brown to sordid brown C. tumidosa (6) 



Cap smoky gray to nearly white C. conglobata (7) 



Not strongly cespitose 



Gills very narrow, not over 2 mm. wide C. sp. (2) 



Gills over 3 mm. wide 



Stem base much swollen C. clavipes (12) 



Stem base not swollen C. media (13) 



