92 AGARICACE^E Pleurotus 



413. P. craspedius Gill, (from the thick stem ; crassus, thick, pes, a 



foot) a b. 



P. pulvinate or subumbonate, pale buff; marg. crenato-lobed. St. 

 and Flesh white. G. rounded or adnate. 



Csespitose. Strong odour of cucumber. Trunks, rotten wood, poplar. 

 Sept.-Oct. 4 X 2 X if in. 



414. P. flmbriatus Gill, (from the fringed margin of pileus ; fimbria^ 



fringe) a. 

 P. infundibuliform, hygrophanous, whitish ; marg. lobed and 



reflexed. St. central or lateral, somewhat attenuate downwards, 



whitish. G. adnato-ascending, narrow, thin, crowded, white. 



Flesh remarkably thin. 

 Gregarious, somewhat csespitose. Trunks, dead; rare. Aug. -Jan. 



4 X if X J in. Habit not unlike Lentinus. 



415. P. Ruthse Sacc. (after Ruth Berkeley) a. 



P. piano-depressed, fan-shaped, tan-whitish; marg. striate. St. 



lateral or excentric, salmon-reddish. G. adnato-decurrent, 



veined, paler than St. 

 Sawdust. Oct. 2 X f X in. Sometimes twisted and contorted like 1158, 



for the white variety of which with similar habitat it might be readily 



mistaken. 



416. P. lignatilis Gill, (from its habitat and hardness ; lignum, wood) 



a b c. Whitish-tan. 

 P. convexo-plane, slightly depressed, flocculoso-pruinate ; mid. 



pale buff. St. stuffed, woody, pruinato-villous. G. adnate or 



sinuate. Flesh whitish, faintly sienna at base of stem. 

 Caespitose or single. Odour strong of meal. Beech, growing on 1532 



and 1593. 3 x 2j X in. A variety has P. ashy with mid. black and 



marg. white. 



417. P. eireinatus Gill, (from the orbicular pileus ; drcino, to make 



round) a b c. White. 

 P. plane, silky-lustrous. St. smooth, attenuate downwards. G. 



subdecurrent. 

 Odour weak and pleasant, not mealy. Rotting stumps, birch. Sept.-Oct. 



2f X if X T 3 s in. 



418. P. sapidus Sacc. (from its taste ; sapidus, savoury) a b c. 



P. piano-depressed, fleshy, smooth, white, pale ochreous, brown 

 or lavender shaded. St. connate-branched, smooth, white. 

 G. subdistant, reticulate on stem, white. Spores pale lilac. 



Csespitose. Trunks, elm. July-Aug. 4i X 2| X f in. 



419. P. pantoleucus Gill, (from its colour; Gr.pas, all, faikos, white) 



a b c. 

 P. convex, dimidiate, spathulate, smooth. St. excentric. G. 



broad. 

 Solitary. Trunks, branches, willow. Oct. 4|X2xfin. Sometimes small 



with a depressed pileus. 



