CLASSIFICATION OF AGARICS 743 



787. Clitocybe caespitosa Pk. 

 X. V. State .Mus. Bull. ll. L888. 



"PILEUS -I fin. broad, convex-plane then infundlbnliform, 

 often irregular, slightly silky, hygrophanous, grayish-brown when 

 moist, subcinereous or argillaceous when dry. GILLS decurrent, 

 narrow, close, somewhat forked, white. STEM 2-3 cm. Long, I 6 

 nun. thick, equal, Btuffed then hollow, silky, white. SPORES 

 minute, Bubelliptical, :'. 1 micr. long." 



In woods. Gaespitose, the caps deformed ami made irregular by 

 mutual pressure. Reported by Longyear. 



Subsection II. Orbijormis. Pileus convex thru plane or slightly 

 depressed, often obtuse, polished, nut squamulose nor mealy. 



****Gills grayish. 



788. Clitocybe metachroa Fr. 



Syst. M.vc. 1821. 



niustrations : Cooke, 111.. PI. 115. 

 Patouillard, Tab. Analyt, No. .°>0S. 



PILEUS II cm. broad, thin, convex then plane ami depressed. 

 at first dark-fuscous then brownish-gray or livid (moist), dull 

 grayish-white (dry), hygrophanous, glabrous, margin even, Bnb» 

 striate (dry). FLESH thin, concolor. GILLS adnate to Blightly 

 subdecurrent, sometimes by lines, crowded, oarrow, dark fuscous 

 when young, then whitish-ashy, thin, at length flaccid, edge entire. 

 STEM :'> I ian. long, '_' l mm. thick, snbequal, even, ;it firsl <lnrk 

 fuscous mid pruinose-silky, then grayish and glabrescent, stuffed 

 then hollow, often compressed, toughish. SPORES minute, ovate, 

 5x2.5 micr., smooth, white. CYSTIDIA uone. OD< >K mm.' or 

 faintly farinaceous after crushing the flesh. TASTE mild. 



Gregarious or scattered. On the ground in Prondose and conifer 

 woods. Ann Arbor, Marquette. September-November. Infrequent. 



The color of the whole plant changes remarkably from the young 

 stage to maturity ami in age. G. ditopoda Pr. i-- similarly colored. 

 differing mainly in its strong farinaceous odor and probably in the 

 spore characters. It should not be confused with C. cyathiforme, 

 which is larger, has larger spores and usually grows "it w l. 



