1 88 AGARICUS. 



Phiteus. Protean. In very shady places the colour passes into yellow-fuscous {FL 



Dan. t. 1067. f. 2). In hollow trunks smaller with the pileus excentric and 

 the stem ascending. 



On trunks and stumps. Common, April-Nov. 



Spores sphaeroid-ellipsoid, even, 7-8x5-6mk. K. ; 6-8x4-5mk. B. ; 4x5 

 mk.lV. G.S. Name — ce?-vus, a deer. Fawn-coloured. Schcvff. t. 10. Fr. 

 Monogr. i. p. 263. Hyni. Eur. p. 185. Berk. Out. p. 141. C. Hbk. n. 

 240. Illusi. PI. 301. S. Mycol. Scot. n. 233. A. atricapillus Batsch t. 76. 

 A. latus Bolt. t. 2. Sow. t. 108. A. pluteus Dittm. Sturm, t. 28. Krombh. 

 t. 2. /. 7-10. A. Neesii Klotzsch in Fl. Bor. t. 459. Var. Bullii Berk. C. 

 Illust. PL 357. 



* A. eximius Sm.— Pileus fleshy, when young campanulate 

 and elegantly corrugated and lobed, margin involute and not 

 membranaceous, clothed with a semi -viscid separable cuticle. 

 Stem thick, solid, fibrillose. Gills crowded, somewhat thick, 

 white then pale rose, becoming slightly rufous when bruised ; 

 flesh cartilaginous, tasteless or watery. 



Flesh cutting like A. cervinus. Manifestly near A. petasafus, but it differs 

 materially in the pileus being fleshy throughout, and in other characters. 

 Spores yellowish salmon, spherical but somewhat irregular, averaging 7 x 5 mk. 



On sawdust. Rare. Nov. 



The pileus is rufescent-umber, when young darker and beautifully tinged 

 with carmine round the margin. The very stout stem becomes almost black- 

 streaked. Name — eximius, remarkable. Saund. dif Sm. t. 38. S, Mycol. 

 Scot. n. 233. C. Illust. PL 302. Fr. Hym. Eur. p. 186. 



* A. petasatus Fr.— Pileus 1 2.5-1 5 cent. (5-6 in.) broad, 

 tuhitisJi-ciJiereoics, at length somewhat date-brown, campa7itilate 

 then expa7ided and flattened, very smooth, covered over with a 

 viscid separable pellicle, fleshy at the disc but membranaceous and 

 at length slightly but densely striate from the circumference to 

 the middle J flesh soft, white. Stem as much as 20 cent. (8 in.) 

 long, solid, rigid, attenuated upwards from the silky base, fibril- 

 loso-striate, pallid, at length becoming tawny. Gills very broad, 

 18 mm. (^ in.), very crowded, drying up and at length tawny at 

 the edge. 



On sawdust, &c. Uncommon. 



Name — petasus, a hat with a broad brim. From its shape. Fr. Monogr. i. 

 p. 265. Hy?n. Eur. p. i86. Berk. Out. p. 141. C. Hbk. n. 243. Illust. 

 PL 303. S. Mycol. Scot. n. 233. Bei'k. Ann. Nat. Hist. xiii. t. 9. f. 2. 7t. 

 271. 



410. A. umbrosus Pers. — Pileus umber, fleshy, campanulate 

 then expanded, lacunose-wrinkled, at the first villous, margin 

 ciliato-fimbriate. Stem solid, villous-scaly. Gills free, fuliginous- 

 fimbriated at the edge. 



