DERMINI. 263 



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



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

 KCITH/OS, smoke; /ce^aAr;, 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. 

 PL 419. 



III. PUSILLI. Pileus scarcely an inch broad. 



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

 (}4, 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 i?ito 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. 



Xame ma gnus, large ; mamma, breast. From the umbo. Fr. Monogr. 

 ii. /. 299. Hym. Eur. p. 243. Icon. t. 114. f. 2. B. &* Br. n. 2005. 



588. A. petigenosus Fr. Pileus about 12 mm. (y z 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, tougJi, 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. i. /. 333. Hym. Eur. p. 243. 

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



