378 FUNGUS-FLOEA. 



lateral, very sliort or almost obsolete, rather coarsely downy 

 at the base ; gills determinate, narrow, crowded, simple, 

 greyish. 



Af/aricus (Fleurotus) acerosns, Fries, Sj'st. Myc, i. p. 191 ; 

 Cke.\ Hdbk., p. 108; Cke., Illustr., pi. 242c. 



On wood, among leaves, on gravel, &c. 



Very variable, flaccid, greyish-brown, becoming pale, re- 

 sembling Cantharellus Johatus in appearance. Attached by 

 spreading white mycelium when growing on SpJiagnum in 

 swamps. (Fries.) 



III. EESUPIXATI. 



* P Ileus Jleshij, uniform in texture, 



Pleurotus porrigens. Pers. 



Entirely white. Pileus 2-3 in. long, and about Ih in. 

 broad ; flesh thin, tough ; sessile, at first resupinate then 

 ascending or horizorital, expanded from the base and be- 

 coming ear-shaped, fan-shaped, or almost circular, glabrous, 

 more or less downj^ towards the base ; gills radiating, very 

 narrow, rather crowded. 



Agaricus (Pleurotus) jporrigens, Cke., Hdbk., p. 109 ; Cke., 

 Illustr., ifl. 259a. 



Agaricus ]jorrigens, Persoon, Obs. 31yc., i. p. 54. 



On old pine trunks. 



Usually imbricated. Iiesembling P. petaloides in habit, 

 l>ut differing in colour, and in the absence of a narrowed 

 &tem-like base. 



Pleurotus septicus. Fr. 



Pileus up to l' in. across, flesh rather thick ; downy, resu- 

 pinate at first and closel}^ applied to the wood on which it 

 grows, furnished with a minute, downy stem 1-2 lines long, 

 which soon disappears, leaving the pileus reflexed, and 

 apparently sessile, shining white; gills radiating from the 

 point of attachment of the stem, rather distant and broad, 

 wdiite ; sjDores broadly elliptical with an oblique basal 

 apiculus, 8-10 and 6 /x. 



Pleurotus se2)ticus, Fries, Syst. Myc, i. p. 192; Cke., Hdbk., 

 p. 109; Cke., Illustr., pi. 259. 



