Pleurotus AGARIC AC E^: ^! 



c. Resupinatcz. Pilens at length reflexed, sessile. Gills starting 



from an excentric point. 



Pileus fleshy, uniform. 436 > 437 



Pileus fleshy, striate, with an upper gelatinous stratum or 



viscid pellicle. 438444. 



Pileus membranous, not viscid. 445-^448 



a. Excenfricce. 



407. P. cortieatus Quel. (from the thick covering of the pileus and 



stem ; cortex, bark) a b. 

 P. fleshy, floccose, pale buff and grey. St. squamuloso-fibrillose 



white to pale buff. A. silky-floccose. G. decurrent, anasto 



mosing near St., yellowish when old. Flesh white or faintly 



yellowish. 

 Solitary or caespitose. Tasteless ; odour pleasant, rather strong. Trunks, 



elm, ash, apple, etc. Sept.-Oct. 9 X 3^ X if in-. 



408. P. dryinus Quel. (from its frequent habitat ; Gr. drus, oak) a be. 

 P. fleshy, plane, whitish with fuscous sc. ; mid. darker. St. 



white or yellowish- white, fuscous at base. A. floccose. G. 

 decurrent, white, yellowish when old. 



Taste pleasant, mushroom-like. Trunks, oak, elm, apple, willow, walnut, 

 ash, poplar. Sept.-Feb. 6 x 4 X i in. 



409. P. spongiosus Sacc. (from its spongy substance) a b c. 



P. pulvinate, subumbonate, downy, white, tan or ashy. St. white- 

 tomentose, sometimes almost obsolete. A. evanescent. G. 

 decurrent, anastomosing on stem, whitish. 



Stumps, beech, apple, poplar, hornbeam ; rare. Oct.-Nov. 3^ x \\ X f in. 

 Soft and spongy, shrinking to almost half its original size in drying. 



410. P. ulmarius Quel. (from its usual habitat ; u/mtts, elm) a b c. 



Whitish. 

 P. pulvinate, broadly umbonate, smooth. St. villous at base, 



rarely central. G. adnate. 

 Solitary or csespitose. Said to be edible. Odour mealy or slightly acid. 



Trunks, elm, wych elm, beech, oak, poplar, willow, sometimes parasitic 



on 1587. Sept.-Dec. 6 X 4 X if in. Sometimes proliferous, with 



many small growths at base of stem. 



411. P. tessulatus Gill, (from the tesselated markings of the pileus) a. 

 P. convex, subumbonate, pale tawny, brown-tesselated. St. 



smooth, white. G. sinuate, white or faintly brownish. 

 Solitary or caespitose. Odour of new meal. Trunks. 4^ X 2 X f in. 



412. P. subpalmatus Gill, (from a fancied resemblance to the shape 



of the hand) a b c. 

 P. convex, with a thick, gelatinous, reticulato-corrugate pellicle, 



rufescent-salmon. St. whitish above, salmon below. G. 



sinuate with a decurrent tooth or adnato-rounded, sometimes 



adnate with a collar, paler than P. Flesh salmon-streaky. 

 Taste bitter-aromatic. Squared timber, trunks, etc., willow, elm, oak; 



rare. Sept.-Nov. 4^ X 2\ X in. 



