228 AGARICUS. 



Phoiiota. 501. A. capistratus Cke. Pileus 5-7.5 cent. (2-3 in.) broad, 

 livid, tawny, rather viscid when moist, whitish when dry, fleshy, 

 convex, margin involute and slightly striate. Stem 7-5- 10 cent. 

 (3-4 in.) long, thick, stuffed, nearly equal, subsquamulose. Ring 

 large and entire, spreading and persistent. Gills decurrent, 

 crowded, rather fleshy, pallid, growing darker. 



Subcaespitose. Taste rather unpleasant. Distinguished from A. pudicus, 

 &c., by its decurrent gills, its more robust habit, and the folding in of the 

 margin of the pileus. Said to be edible. 



On old stumps, elm, &c. Highgate, 1862. Aug. 



Spores of the same size and colour as those of A. leochromus, IV.G.S. 

 Name capistrum, a halter. From the ring. Cooke Seem. Journ. Bot. 1863. 

 f. 3. / 4. Hbk. n. 294. PL i. /. i. Illust. PL 364. B. 6* Br. n. 1003. 

 Fr. Hym. Eur. p. 218. 



502. A. aegerita Fr. Pileus tawny, becoming pale-white to- 

 wards the margin, fleshy, convex then plane, rivulose, slightly 

 wrinkled ; flesh white. Stem stuffed, equal, white-silky, fibrillose, 

 the superior ring swollen. Gills adnate, decurrent with a small 

 tooth, crowded, pallid \htnfuscous. 



Odour pleasant. Crespitose. 



On dead ash. King's Lynn. July. 



Name atyeioos, the black poplar. From its being first found on black 

 poplar. Fr. Hym. Eur. p. 219. Brigant. t. 32, 33. f. 1-4. Baft. t. 6. E. 

 C. Illust. PL 453. 



503. A. luxurians Fr. Pileus yellowish-white, then rufous- 

 fuscous, fleshy, convexo-gibbous, then flattened, unequal, silky, 

 then squamulose. Stem stuffed, rigid, somewhat squamulose, 

 white then becoming fuscous; ring apical, torn, fugacious. Gills 

 adnexed then decurrent, crowded, grey-flesh-colour then becoming 

 fuscous. 



Caespitose, very irregular ; flesh white. 

 On oak and elm. King's Lynn. 



Spores 8-10x3-4 mk. W. P. Name luxurio, to be luxuriant. Fr. Hym. 

 Eur. p. 219. Polymyces Baft. t. 23. B. Hypophyllum sericeum Paul. t. 

 146. A. segerita C. Illust. PL 365. 



** Squamosi. Pileus scaly, gills changing colour, &C. 

 t Gills pallid then becoming fuscous, olivaceous, &*>. 



504. A. comosus Fr.- Pileus 7.5 cent. (3 in.) broad, tawny, 

 sprinkled with paler, superficial, separating scales, fleshy, convex 



