CLASSIFIC \Tl<>\ OF AGARICS 



810. Collybia atratoides PI 



V Y. State Rep. 32, L879. 



Illustration: Barti, Mushr b, Fig. v '*'. p. 116, 1908. 



"PILEU9 1-2 cm. broad, convex, Bubuiubilicate, glabrous, hygro 

 phanous, blackish brown {moist), grayish brown and shining (dry). 

 FLESH thin. GILLS adnate, rather broad, subdistant, inter 

 venose, grayish-white. STEM _':'. cm. long, 1-2 mm. thick, equal, 

 hollow, glabrous, grayish-brown, with ;i mycelioid tomentnm al 

 lt;isr. SPORES oearly globose, aboul •"> micr. diameter. 



"Gregarious or subcaespitose. ( >n decaying \\ I and moe 



sticks in wo'iiis." 



The description is adapted from Peck. Bard |><>int< out thai the 

 margin of the pileus is often crenate. It doubtless occurs within 

 Tlic State, and may be confused with Blycena by it < Bhape and siae. 



811. Collybia expallens Pk. var. 

 N. Y. State .Mns. Rep. tl. L891. 



PILEUS L-2.5 cm. broad, orbicular, convex-expanded, depressed 

 or subumbilicate <>n disk, hygrophanous, <it first blackish, then 

 brown to pale fuscous, glabrous, striatulatt on margin when moist. 

 FLESH father thin, brownish then whitish. GILLS adnate, seced 

 ing, medium width, close t<> subdistant, fuscous, edge entire. STEW 

 L-2 cm. long, 2-4 mm. thick, tapering downward, tough, hollow, some- 

 times compressed or grooved, cartilaginous, livid-brown, sometimes 

 blackish on handling, pruinose-pubescent. SPORES subglobose, 

 r> x 1 micr., smooth, white. CYSTIDIA and STERILE CELLS 

 none. ODOR and TASTE farinaceous. 



Gregarious among fallen aeedles of white pine. New Richmond. 

 September. Infrequent. 



Differs from C. atrata and C. atratoides bj the presence of a 

 distind farinaceous odor, and a striate margin to the pileus. It 

 approaches C. ambusta excepl in odor and the lack of a papill 

 pileus. The stem is prninose, al leasl al the apex. 



