LEUCOSPORI. 8 1 



Fr. Monogr. \. p. 115 (named A. nebularis by mistake). Hym. Eur. p. 91. Clitocyhe. 

 Icon. t. 54. /. 2. Berk. Out. p. 107. C. Hbk. n. 92. Illust. PL 175. S. 

 Mycol. Scot. n. 95. 



158. A. tumulosus Kalchbr. Pileus umber, becoming pale, 

 fleshy, conical then expanded, umbonate, even, smooth. Stem 

 solid, floccoso-pruinose, pallid. Gills slightly emarginate and 

 decurrent, crowded, white then becoming cinereous. 



Caespitose. The type of the Difformes. 

 In woods. Hereford, 1871. Sept. 



Spores 6-7x4 mk. B. Name tumulus, a mound. From the heaps 

 formed by its mode of growth. Kalchbr. Fung. Hung. p. 13. t. 5. Fr. Hym. 

 Eur. p. 91. C. Illust. PL 105. 



159. A. cryptarum Letell. Pilei brown, spotted, somewhat 

 conical, depresso-flocculent. Stems narrowly fistulose, more or 

 less compressed, attenuated upwards, streaked, somewhat striate, 

 white. Gills somewhat decurrent, arcuate, narrow, white. 



Densely caespitose. 



On sawdust. Coed Coch. Oct. 



Habit that of A. tumulosus. Pilei varying much in size, according to the 

 denseness of the clusters. Inodorous, insipid ; stem mottled within. B. & Br. 

 Name crypta, a vault, cellar. Probably first found in a cellar. Letell. 

 B. & Br. n. 1844. 



160. A. opacus With. White. Pileus fleshy, convex, expanded, 

 umbonate, repand, even, covered over with jloccose lustre. Stem 

 stuffed, somewhat fibrillose, unequal, flexuous. Gills adnato- 

 decurrent, very crowded, white. 



Sometimes connato-casspitose, sometimes single. Very much allied to A. 

 cerussatus. 



In woods. Autumn. 



Remarkable for the silvery glair with which it is clothed, which sometimes 

 admits of being rubbed off. M.J.B. Name opacus, opaque. With. 

 Fr. Hym. Eur. p. 93. Berk. Out. p. no. C. Hbk. n. 93. Illust. PI. 176. 

 S. Mycol. Scot. n. 96. Sow. t. 142. 



III. INFUNDIBULIFORMES. 

 * Pileus coloured or becoming pale, &c. 



161. A. maximus Fl. Wett. Pileus as much as 30 cent, (i ft.) 

 broad, becoming pale-tan or whitish,_/&^_y, compact at the disc, 

 otherwise thin, somewhat flaccid (not fissile), broadly infundibuli- 

 form, gibbous with a central umbo, always very dry, the surface 



