46 AGAEICINI. 



Pileus |-3 in. broad, excentric, white, the surface broken into light brown 

 adpressed scales, margin involute, with fragments of the broad woven veil 

 adhering to it, flesh continued into the stem ; gills white, not very broad, 

 decurrent, forked, crisp ; stem 3 in. high, attenuated downwards, firm, al- 

 most woody, tomentose, but not scaly. Taste like A(/. campestris. Spores 

 •00013 X -00017 in. 



111. Agaricus (Pleurotus) spongiosus. i^r. " Spongy Pleurotus." 



Pileus pulvinate, soft and spongy, sub-tomentose, veil torn, 

 fugacious, appendiculate ; stem very short, excentric, tomentose; 

 gills sinuate, adnate, crowded, white. — Fr.Epicr.p, 130. 



In a rotten beech. Oct. Epping Forest. — W. G. S. 



Sub-sessile, thick, pileus cinereous, with the habit of Polyjyorus hetvlinay 

 2-3 in, broad, persistently tomentose. Spores '0004 X 'OOOiyin. 



(PI. II., f. 6, reduced.) 



Sect. 2. Concharia. — ^pileus shell-shaped. 



112. Agaricus (Pleurotus) ulmarius. Bull. " Elm Pleurotus." 



Pileus fleshy, compact, convexo-plane, smooth, somewhat spot- 

 ted, moist ; stem rather excentric, stout, thickened below, sub- 

 tomentose ; gills adnexed (emarginate or rounded), rather crowded, 

 broad, whitish. — Fr. Epicr.p. loO. Bull. t. 510. Soiv. t. 67. Vitt. 

 Mang.t. 23. Cooke, B.F.t.7. Eng. Fl.\.p.l2>. Price, f. ^3. 



On elm trunks. Sept. — Dec. Esculent. [United States.] 



Pileus 3-12 in. broad, obtuse, smooth, subcoriaceous, but within very white, 

 soft, yet compact, thick, sometimes marbled with livid spots ; gills numer- 

 ous, broad, white, adnate or sub-decurrent, irregular ; stem excentiic as- 

 cending 2-3 in. long, about lin. thick, solid, firm, incrassated at the base, 

 wliite, sometimes furfuraceous, single orin tuits, varyiugagood deal in tex- 

 ture.— Grev. Spores nearly globular, length '0002 in. 



113. Agaricus (Pleurotus) subpalxnatus. Fr. " Subpalmate 



Pleurotus." 



Pileus fleshy, soft, convexo-plane, obtuse, even, smooth ; stem 

 excentric, incurved, equal, fibrilloso-striate; gills adnate, crowded, 

 broad, rufescent. — Fr. Epicr. p. 131. Sow. t. 62. A.palmatus. 

 Eng.Fl. Y.p. 73. 



On squared timber, old trunks, &c. 



