DERMINI. 263 



In mixed wood. Coed Coch, 1876, &c. Oct. Hebeloma. 



Fries contemplated joining it either with A. nudipes or A. diffractus. Name 

 Karros, smoke; Ke^oArj, head. Of the dingy pileus. Bull. t. 547. f. 2. Fr. 

 Hym. Eur. p. 242. B. & Br. n. 1763. S. Mycol. Scot. n. 316. C. Illust. 

 PI. 419- 



1 1 1. PUSILLI. Pileus scarcely an inch broad. 



587. A. magnimamma Fr. Pileus i scarcely ever 2.5 cent. 

 (Y 2 , i in.) broad, at first brick-colour, at length becoming pale- 

 yellowish, not hygrophanous, comparatively very fleshy at the 

 disc, where it is remarkably swollen into a breast-shaped umbo, 

 convex then plane with exception of the umbo, even at the cir- 

 cumference; flesh white, thin towards the margin. Stem 2.5 

 cent, (i in.) rarely more long, 2 mm. (i lin.) thick, at first stuffed, 

 then narrowly fistulose, fibrous (not cartilaginous), equal, but here 

 and there flexuous, smooth, naked, and without a manifest veil, pale- 

 yellowish becoming pale. Gills obtusely adnate, somewhat sin- 

 uate, crowded, 2 mm. (i lin.) broad, pallid at length ferruginous. 



The pileus is without the floccose-silky covering of A. petigenosus, to which 

 it is allied. 



Among grass under apple-trees. Sibbertoft. Autumn. 



Name magnus, large ; mamma, breast. From the umbo. Fr. Monogr. 

 ii. p. 299. Hym. Eur. p. 243. Icon. t. H4-/. 2. B. fir 3 Br. n. 2005. 



588. A. petigenosus Fr. Pileus about 12 mm. (% in.) or a 

 little more broad, slightly fleshy, conical then convex, somewhat 

 umbonate, absolutely dry, the gibbous fuscous disc naked, hoary- 

 silky with superficial closely adpressed fibrils at the circumference, 

 when old rufescent or becoming yellow. Stem 2.5-5 cent. (1-2 

 in.) long, only 2 mm. (i lin.) thick, stuffed, tough, slender, equal, or 

 slightly attenuated at the base, white pulverulent, for the most 

 part brick-rufescent, but varying becoming fuscous. Cortina none. 

 Gills at the first slightly adnexed, soon free, ventricose, crowded, 

 arid, light yellow then olivaceous-date-brown, under a lens often 

 beautifully ciliated. 



It is not allied to any ; its habit is that of A. geophyllus. 

 On the ground in beech wood. Cabalva. 



Name petigo, scab. Scurfy. Fr. Monogr. \. p. 333. Hym. Eur. p. 243. 

 Icon. t. 114. f. 4. Grevillea, vol. viii. p. 75. 



