HYPORHODII. 205 



449. A. cretatus B. & Br. Pileus 6-18 mm. (%-# in.) broad, Ciuopiius. 

 of a dead white, but shining, membranaceous, at first convex 



then umbilicate, not striate, margin involute. Stem very short, 

 a few lines long, 2 mm. (i lin.) thick, often curved at the base 

 and sometimes thickened, tomentose especially below, white. 

 Gills very decurrent, narrow, rose-colour. 



Mycelium white, floccose. Single or gregarious. Closely allied to A. prun- 

 ulus, but apparently constant. 



On naked soil in woods and pastures. Uncommon. 



Spores 7x3 mk. IF./ 3 . Name creta, chalk. Chalky-white. B. 6= Br. 

 n. 903. C. Hbk. n. 266. Fr. Hym. Eur. p. 199. C. Illust. PL 375. B. 



II. SERICELLI. 



450. A. carneo-albus With. White. Pileus 2.5 cent, (i in.) 

 broad, somewhat fleshy, convexo-plane, orbicular, even, slightly 

 silky, somewhat disc-shaped. Stem stuffed, hollow, unequal, 



fibroso-striate. Gills adnato-decurrent, thin, somewhat distant, 

 white then flesh-colour. 



Disc at length depressed, rufescent. Inodorous, gregarious. 



In heathy places. Rare. Sept. 



Pileus white, polished, centre rather depressed, edge turned down, about 

 an inch over ; stem solid, white, cylindrical, about an inch high, thick as a 

 crow-quill ; gills decurrent, salmon-coloured, mostly in pairs, narrow, not 

 crowded. With. Spores angled. Fr. ; 7 mk. W.P. Name caro, flesh; 

 albus, white. With. iv. /. 170. Fr. Hym. Eur. p. 200. Monogr. i. /. 282. 

 Kalchbr. Hung. t. i2./. 2. 'Grevillea, vol. xi. p. 69. C. Illust. PL 324. a. 



451. A. vilis Fr. Pileus 2.5 cent, (i in.) broad, grey, some- 

 what membranaceous, convex, umbilicate, soft, when dry silky- 

 fibrillose, opaque. Stem 5-7.5 cent. (2-3 in.) long, 2 mm. (i lin.) 

 or a little more thick, fistulose, equal, somewhat tough, but fib- 

 roso-fissile, of the same colour as the pileus, fibrilloso-striate (not, 

 however, flocculoso-fibrillose), white-villous at the base. Gills 

 piano- decurrent or adnate with a decurrent tooth, in no wise 

 sinuate, nearly triangular, crowded, almost extending beyond 

 the margin of the pileus, whitish. 



Habit almost that of A. pascuus, but the form is plainly different. 



Among moss, &c. Leigh Down. Aug. 



Name vilis, of small value. From its trivial appearance. Fr. Monogr. i. 

 p. 282. Hym. Eur. p. 200. C. Illust. PL 487. 



452. A. stilbo-cephalus B. & Br. Pileus campanulate, ob- 

 tuse, and sometimes umbonate, hygrophanous, when dry whitish, 



