248 AGARICUS. 



inocybe. 550. A. rimosus Bull. Pileus 2.5-5 cent - ( l ~ 2 in -) broad, 

 yellowish, but varying rufescent and date - brown (especially 

 when old), fleshy, at first conico-campamdate, obtuse, then more 

 flattened, and at length reflexed, umbonate, somewhat fibrillose, 

 longitudinally cracked, disc sometimes even, sometimes cracked 

 in a tesselated manner ; flesh firm, white. Stem 5~7-5 cent. (2-3 

 in.) long, 6-8 mm. (3-4 lin.) thick, solid, firm, longitudinally 

 fibrous within, round, in the best form thickened even marginato- 

 bulbous and fibrillose at the base, mealy upwards, becoming 

 yellow or fuscous but always pallid. The thin cortina fugacious. 

 'Gills very much attenuated behind, free or slightly adnexed, some- 

 what ventricose, quaternate, whitish then becoming fuscous, and at 

 length becoming ferruginous, edge serrulated, pallid. 



Odour earthy. The marginato-bulbous form of stem is probably Schceff. t. 

 2 5 8./. 1-3. 



In woods and open ground. Common. June-Oct. 



Subgregarious. Pileus shining, satiny with adpressed fibrillse, the inner 

 substance appearing through the cracks of a yellow hue ; sometimes the epi- 

 dermis cracks concentrically, and the lower edge of the cracked portions is re- 

 flected so as to present a squarrose appearance. There are several varieties, 

 in some of which the stem is white, in others coloured like the pileus, M.J.B. 

 Spores elliptic, ferruginous, M.J.B. ; ellipsoid or sphaeroid-ellipsoid, even, 10- 

 14x5-8 mk. K. ; 11x7 mk. W.G.S. Name rima, a crack. Full of cracks. 

 Bull. t. 388. Fr. Monogr. i. /. 342. Hym. Eur. p. 232. Berk. Eng. Fl. 

 v. p. 97. Out. p. 155. t. 8.f. 5. C. Hbk. n. 330. lllust. PL 384. S. Mycol. 

 Scot. n. 297. Sow. t. 323. Grev. t. 128. Batsch f. 107. Krombh. t. 44. f. 

 10-12. B. pileus adpressedly scaly. A. morosus Jungh, t. 6.f. 6. 



551. A. asterosporus Ouel. Pileus 2. 5-4 cent.(i-i> in.) broad, 

 bistre, with brown striae, convex, umbonate, cracked. Stem 

 stuffed, firm, bulbous, furnished with a separable cuticle, reddish, 

 pubescent, with brown striae. Gills emarginate, ventricose, thin, 

 whitish bistre then cinnamon. 



Odour mouldy. 



On the ground in wood. Dinedor, c. Aug.-Oct. 



Very similar to A. rimosus, for a form of which it might be mistaken with- 

 out examination of the spores. Spores globose, .012 mm., stellate-spinulose, 

 Q. Name aster, a star. From the star-shaped spores. Bull. Soc. Bot. Fr. 

 vol. xxvi. p. 50. Bull. Soc. Rouen, PL \\. f. 6. Grevillea, vol. viii. p. 76. S. 

 Mycol. Scot. Supp. Scot. Nat. 1885, p. 24. C. lllust. PL 385. 



552. A. eutheles B. & Br. Pileus fawn-coloured, expanded, 

 strongly umbonate, somewhat undulated, silky-shining, somewhat 

 squamulose. Stem solid, fibrous, somewhat equal, slightly striate, 

 pallid. Gills adnate, slightly toothed, pallid, white-margined. 



Smell farinaceous, rather disagreeable. It differs from A. fastigiatzis in the 



