154 AGARICUS. 



Omphalia. On charcoal-beds. Downton, 1874. Sept. 



Name after H. von Post. Fr. Monogr. ii. p. 291. Hym. Eur. p. 157. 

 Icon. t. 74. /. 2. C. Illust. PL 194. 



328. A. pyxidatus Bull. Pileus as much as 2.5 cent, (i in.) 

 broad, very hygrophanous, brick - rufescent or rufous- fuscous 

 when moist, becoming pale, opaque when dry, membranaceous, 

 pellucid, umbilicate then infundibuliform, when moist smooth, 

 sometimes at the margin, sometimes wholly radiato-striate, when 

 dry flocculose or slightly silky. Stem 2.5 cent, (i in.) long, al- 

 most 2 mm. (i lin.) thick, stuffed then fistulose, tough, equal, 

 round, smooth or pruinose, pallid then rufescent. Gills decur- 

 rent, somewhat distant, distinct, narrow, but broader at the 

 middle, flesh-colour then pale-yellowish. 



The entire plant is much more changeable than neighbouring species are. 

 Among grass on lawns and in woods. Frequent. Aug.-Oct. 



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

 5~7 x 3~4 m k. W.P. Name ^arw, a small box. Box-shaped. Bull. t. 568. 

 f. 2. Fr, Monogr. i. p. 182. Hym. Eur. p. 157. Berk. Out. p. 130. t. 6. 

 f. 8. C. Hbk. n. 214. Illust. PL 194. S. Mycol. Scot. n. 191. 



329. A. leucophyllus Fr. Pileus more than 2.5 cent, (i in.) 

 broad, dark cinereous, somewhat membranaceous, infundibuli- 

 form, becoming even, not floccose, the reflexed margin involute. 

 Stem 4 cent, (i^ in.) and more long, 2 mm. (i lin.) thick, stuffed 

 then fistulose, slightly rigid, equal, even, smooth, cinereous. Gills 

 decurrent, slightly distant, arcuate, distinct, shining white. 



Very distinct from all others of this group in its shining white gills. Anal- 

 ogous with A. maurus, but clearly distinct in its stature and somewhat dis- 

 tant gills. 



Among short grass. Coed Coch, 1869. 



Spores ellipsoid-pruniform, punctate, 10 mk. Q. Name A.evc6?, white ; 

 <wAAoj/, a leaf. White-gilled. Fr. Vet. Ak. Fork. 1851. p. 45. Monogr. i. 

 p. 183. Hym. Eur. p. 157. Icon. t. 73. f. 4. B. & Br. n. 1217. C. Illust. 

 PL 288. 



330. A. striaepileus Fr. Pileus 2.5 cent, (i in.) or a little more 

 broad, hygrophanous, livid-fuscous, becoming pale-white when 

 dry, somewhat membranaceous, convex \\\z\\ flattened, umbilicate, 

 never infundibuliform, the whole elegantly striate, smooth, even 

 and not floccose when dry. Stem 5 cent. (2 in.) long, 2 mm. (i 

 lin.) thick, fistulose, slightly firm, equal, often flexuous, slightly 

 tough, even, smooth, becoming fuscous. Gills somewhat decur- 

 rent, somewhat crowded, 2-3 mm. (i-i/4 lin.) broad, whitish, not 

 becoming cinereous. 



