DERMINI. 235 



phanous, slightly fleshy, convexo-plane, very obtuse, densely floccu- Pholiota. 

 loso-furfuraceous on the surface, margin striate when moist, without 

 striae when dry. Stem when young 2.5 cent, (i in.) long, 4 mm. 

 (2 lin.) thick, fistulose, equal, flexuous or incurved, wholly pale- 

 ferruginous, not of a different colour at the base. Veil sheathed- 

 fibrillose on the stem; towards the apex of the stem terminating in 

 a membranaceous, persistent, spreading, and at length reflexed, 

 even ring ; above the ring the stem is striate, but naked, not mealy. 

 Gills adnate, scarcely decurrent, very thin and crowded, linear, 2 

 mm. (i lin.) broad, rufous or cinnamon-rufous; edge under a lens 

 unequal, crenulated. 



Somewhat caespitose, fragile. The floccoso-furfuraceous covering of the 

 pileus is such as is not observed in any other species. When the plant is old 

 the stem is longer, but slender, and, as well as the even pileus, denuded, and 

 the ring collapsed. More allied to A. conspersus and A. furfuraceus than to 

 A. mutabilis, &c., but most distinguished. A variety of A. mutabilis with 

 squamulose pileus is not to be compared with this. 



On old fallen elm. Coed Coch, 1866. 



Spores oblong, ferruginous, 9 x 37 mk. B. 6- Br, ; 12 x 5 mk. W.P. Name 

 confragosus, broken, rough, uneven. Fr. Monogr. i. p. 318. Hym. Eur. p. 

 224. Icon. t. 105. /. 2, 3. B. &" Br. n. 1232. 



519. A. mutabilis Schasff. Pileus about 5 cent. (2 in.) broad, 

 cinnamon when moist, becoming pale when dry, hygrophanous, 

 slightly fleshy, convex then flattened, commonly obtusely umbon- 

 ate, sometimes depressed, even and smooth, but when young 

 occasionally squamulose throughout. Stems about 5-7.5 cent. 

 (2-3 in.) long, 4 mm. (2 lin.) and more thick, rigid, stuffed then 

 hollow, equal or attenuated downwards, scaly-squarrose as far as 

 the ring, ferruginotis-blackish or umber downwards, often ascend- 

 ing or twisted. Ring membranaceous, externally squamulose. 

 Gills adnato - decurrent, crowded, rather broad, pallid then 

 cinnamon. 



Densely caespitose, variable in stature. Fl. Dan. t. 2076. f. i, intermediate 

 between this and A. marginatus. 



On stumps, &c. Common. April-Oct. 



Spores ellipsoid-obovate, 7-13 x 4-6 mk. K. ; 6 x n mk. W.G.S. ,-7x4 mk. 

 W.P. Name mutabilis, changeable. Schceff. t. 9. Fr. Monogr. i. p. 319. 

 Hym. Eur. p. 225. Sverig. alt. Svamp. t. 47. Berk. Out. p. 151. t. 8./. 3. 

 C. Hbk. n. 303. Illust. PI. 355. S. Mycol. Scot. n. 280. Hussey ii. t. 27. 

 Lenz.f. 20. Krombh. t. 73. f. 7-9 a. Bull. t. 543. O.P.R. 



520. A. marginatus Batsch. Pileus 2.5 cent, (i in.) and more 

 broad, honey-coloured when moist, tan when dry, hygrophanous, 

 slightly fleshy, convex then expanded, obtuse, even, smooth, margin 



