LEUCOSPORI. 47 



Inodorous, gregarious, varying solitary and caespitose. Cortina 7i07ie. Tricholoma. 

 Sometimes larger with the pileus repand, scaly, and fibrillose ; sometimes 

 smaller, regular, with the pileus papillate, dotted with squamules, and with 

 the margin at first inflexed. The margin of the pileus is not bearded with 

 white down like that of A. gausapatus. 



In woods, chiefly under beech. Common. Aug.-Nov. 



Spores ellipsoid - sphceroid, 6-7x4 mk. K. ; 5-6x3-4 mk. B. ; 6 mk, 

 W.G.S. Name — terra, the earth. Earth-coloured. Schceff. t. 64 (not 

 typical, connato-casspitose). Fr. Monogr. i. p. 67. Hym. Eiir. p. 57. Berk. 

 Out. p. 100. C. Hbk. n. 57. Illust. PL 50. S. Mycol. Scot. ft. 50. Sow. 

 t. 76. Ventur. t. ArS- f- 4? S- Saiaid. ^f Sfn. t. 44./. 2. Gon7i. fr' Rab. t. 

 17. f. 2. A. argyraceus B21II. t. 513. f. 2. A. myomyces Alb. fr Schw. 

 Letell. t. 663./ 6. 



■^ A. argyraceus Bull. — Gills and commonly pileus shining 

 white. 



Name — apyvpo?, silver. From its shining appearance. Bull. t. 423. Fr. 

 Hyjn. Eur. p. 58. Kalchbr. Hu?ig. t. 4. /. i. C. Illust. PL 165. 



* A. atrosQuamosus Chev. — Gregarious. Pileus about 5 cent. 

 (2 in.) broad, pallid cinereous, convex then flattened, umbonate, 

 squamulose ; margin rather woolly, squamules of the pileus small, 

 black. Stem 6-7.5 cent (2^-3 in.) long, 12 mm. (Yz in.) thick, 

 stuff"ed, fibrillose, white, with a few black squamulose points 

 about the apex, base slightly thickened. Gills ventricose, emar- 

 ginate, rather thick, scarcely crowded. 



Name — ater, black, squamosus, scaly. In grassy places. Nov. Chev. 

 Fung, fr Byss. Illus. Grevillea, vol. ix, p. 93. 



* A. orirubens Quel. — Pileus fleshy, convex, fragile, smooth, 

 grey, brownish in the centre, clad with blackish fibrils. Stem 

 solid, fibrous, white, streaked with rose at the base ; flesh white, 

 odour mealy. Gills emarginate, undulated, white with the edge 

 rose. Spores oval, white. 



On the ground. Oct. Name — os, mouth ; rubeo, to be red. From the 

 red-edged gills, Quelet Jur. p. 327. Grevillea, vol. x. p. 41. C. Illust. 

 PL 90. 



III. — RiGIDA. 



* Gills white or becoming pale, &^c. 



86. A. macrorhizus Lasch. — Pileus 20 cent. (8 in.) broad, 

 ochraceous, compact, convex then plane, even, smooth, then 

 broken up in a tesselated manner. Stem 5 cent. (2 in.) thick, 

 solid, stout, whitish then ochraceous, very delicately granulated, 

 with a thick, fieshy, blunt root. Gills emarginate, pallid. 



A magnificent fungus with a root which has no equal in size. Odour heavy, 

 corpse-like. 



