Agaricus. 



ILNGI. 1L>1 



gills brown, stem thickened at the base with a long root. 

 Pers. Sy7i. p. 398 — Fungus, &;c. iMicheli, p, 189. t. 80./. 2. 



On a hot-bed, penetrating through the superincumbent mould and 

 attached to the dung beneath by the long attenuated root. April 11, 

 182G. Cotterstock, Norths. Rev. M. J. Berkeley. — Pikus | of an 

 inch broad, nearly 1 inch high, scaly, the scales sometimes forming a 

 beautiful radiated crown at the apex, pale-brown above, the margin 

 greyish, striate. GUIs brown, with a slight white border, close, free, 

 very slightly ventricose, ^ of an inch broad. Stem 3 inches high, 3 lines 

 thick a1 the base, ^ of an inch at the apex, straight, very downy 

 towards the base, less so upwards, fistulose ; root 2^ inches long. My 

 plant exactly accords with Micheli's, even to the curious crown, to 

 which Fries refers a long-rooted variety of A. cinereus, from which, 

 however, this is very distinct in the form of the pileus and colour of the 

 gills. Perhaps its nearest affmity is with A. stercorarius, Sow. which 

 Jvies refers to A. ephernerus. 



323. A. niveus, Pers. {snoic-ivhite Agaric) ; pileus campanu- 

 late sqnaniuloso-farinose snow-white as well as the tomentose 

 stem, gills narrow. Pers. S7/?i. p. 400. Fl. I)a?i. t. 1671. Fr, 

 Sgst. Myc. v.\.p.^\\. Grev. FL Ed. p. 394.—^. consperstis, 

 With. V. 4. p. 259. Purt. v. 2 <^ 3. n. 956. — A. stercorarius, 

 Bull. t. 542./. 2. 31. N. Sow. t. 262 {small f gun). 



On horse-dung in pastures. Aug.— Dec, and occasionally in the 

 spring.— Very common. Pileus i— 1 inch broad, campanulate, at length 

 expanded and depressed, with 'the margin rolled back, clothed with 

 dense scaly meal ; the margin striate, very thin and delicate. Gills 

 narrow, free, subventricose, black. Stem 2 inches or more high, 1 line 

 thick, thickest at the base, sericeo-squamulose, hollow, fragile, splittmg 

 lonijitudinally. — I found a very large and most beautiful variety of this 

 at Margate, \\\ a salt-marsh on horse-dung, nearly 3 inches broad and 

 2 high" umbonate, densely mealy (the meal nearly I line deep at the 

 apex" so that the surrounding grass was thickly powdered. The meal 

 consists of round pellucid cells containing a nucleus. Gills with a pink 

 hue, at length black, rather distant, attached above. Stem 6 inches 

 high, rooting. Sporules oval, with a pellucid margin. 



324. A. donuisticus. Bolt. (TLmse Agaric); pileus obtuse 

 squamuloso-furfuraceous undulato-sulcate dingy, gills close 

 linear black, stem subsericeous. Bolt. t. 26. Pers. Syn. 

 p. 404. Fr. Syst. Myc. v. 1. p. 311. Purt. r. 3. n. 1474.—^. 

 cylindricus, var. 3. With. v. 4. p. 254 — A.nlternatus, Schum. 

 Fl. Dan. t. 1961./ 1. 



In tufts, on moist rotten wooil, in cellars and damp kitchens ; also m 

 dry vaults, damp walls, and under carpets on ground Hoors.— " Very 

 brittle, often ca-spitose. Pihus 2 inches broad, membranaceous, cam- 

 panulate, apex nearly smooth, reddish-brown. Gills white when young, 

 then ruddy, at length brown-black. Stem 2—3 inches high, 3 lines thick, 

 even, attenuated upwards." Fr. I. r. 



325. A. radians, Desrn. (radiating Jl'alf Agaric) ; pih'us at 

 first pea-shaped deep-brown then ovoid campanulate and plane 

 buff deeper and turfuraceouN t<»\vards th*' apex striate, gills 



