REPORT OF THE STATE BOTANIST I908 45 



Lentinus cochleatus Fr. 

 SHELL LENTINUS 



Pileus thin, toiiij^h, flaccid, irregular, often lobed on the margin, 

 [:lane, centrally depressed or infundibuliform, glabrous, rufescent 

 or brownish flesh color when moist, paler when dry ; lamellae rather 

 broad, close, decurrent, serrate on the edge, whitish tinged with 

 flesh color; stem central, eccentric or lateral, usually crowded and 

 united in a tuft, solid, glabrous, sulcate, colored like or paler than 

 the pileus; spores minute, subglobose, .oooi6-.ock)2 of an inch in 

 diameter. 



Pileus .5-2 inches broad; stem 1.5-3 inclies long, 2-4 lines thick. 



On and about old stumps or growing from decaying wood 

 buried in the ground. Adirondack region. July and August. 



The species is easily recognized by its tufted mode of growth 

 and its grooved stem. The plants sometimes emit an agreeable 

 odor. 



Lentinus umbilicatus Pk. 



UMBILICATE LENTINUS 



N. Y. State Mus. Rep't 28, p. 51, pl.i, fig.15-19 



Pileus fleshy but thin, tough, glabrous, deeply umbilicate, hy- 

 grophanous, brownish tan color when moist, pxaler when dry; 

 lamellae close, adnate or decurrent, serrate on the edge, whitish; 

 stem short, slender, glabrous, nearly even, tough, stuffed or hollow, 

 central or eccentric, colored like the pileus. 



Pileus 6-12 lines broad; stem 8-12 lines long, 1-1.5 Hues thick. 



Ground and decaying wood. Gregarious. Hamilton and Essex 

 counties. July and August. 



This small species resembles Lentinus cochleatus Fr. 

 in texture and color, but it is a much smaller plant, gregarious in 

 its mode of growth and without furrows on the stem. It is 

 closely related to Lentinus o m p h a 1 o d e s Fr. from which 

 it has been separated on account of its hollow stem without elon- 

 gated furrows or lacunae and its darker color. 



Lentinus ursinus Fr. 



BEAR LENTINUS 



Pileus fleshy, tough, sessile, dimidiate, often imbricated, even 

 or sometimes costate corrugate on tlie margin, at first whitish and 

 glabrous then reddish brown and hairy or tomentose toward the 



