86 NEW YORK STATE MUSEUM 



KEY TO THE SPECIES 



Lamellae yellow or yellowish flavidella 



Lamellae grayish or brownish i 



Lamellae white or whitish 4 



I Plant with a farinaceous odor ditopoda 



I Plant without a farinaceous odor 2 . 



2 Pileus umbilicate peltigerina 



2 Pileus not umbilicate 3 



3 Stem pruinose or mealy at the top metachroa 



3 Stem naked at the top vilescens 



4 Plant inodorous angustissima 



4 Plant fragrant 5 



5 Margin of the moist pileus striate subditopoda 



5 Margin of the moist pileus even 6 



6 Pileus brownish when moist compressipes 



6 Pileus whitish when moist f ragrans 



Clitocybe flavidella Pk. 



YELLOWISH CLITOCYBE 

 N. Y. State Mus. Rep't 30, p.38 



Pileus thin, convex becoming plane or centrally depressed, often 

 irregular, glabrous, hygrophanous, dingy yellow when moist, paler 

 or whitish when dry; lamellae close, narrow, adnate or slightly 

 decurrent, yellow or yellowish ; stem equal, glabrous, hollow, colored 

 like the pileus ; spores unknown. 



Pileus about 2.5 cm broad; stem 2-3 cm long, 3-4 mm thick. 



Gregarious. Low wet ground. Otsego co. September. Rare. 

 Found but once. 



Clitocybe ditopoda Fr. 



DOUBLE STEM CLITOCYBE 

 Sylloge V, p. 186 



Pileus thin, convex becoming plane or centrally depressed, 

 glabrous, hygrophanous, brownish when moist, gray when dry, odor 

 farinaceous; lamellae thin, close, about 2 mm wide, slightly decur- 

 rent, brownish gray ; stem equal, glabrous, hollow, often compressed, 

 colored like the pileus ; spores broadly ellipsoid, 5-6 x 3-5 ix. 



Pileus 2-5 cm broad ; stem 2-3 cm long, 2-4 mm thick. 



Woods and among fallen leaves. Albany and Warren counties. 

 September and October. Rare. 



The stem in the Warren county specimens is. sometimes com- 

 pressed and grooved as if composed of two united stems. Such 

 specimens are suggestive of the specific name. The spore dimensions 



