154 AGARICUS. 



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



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

 Ico7i. t. 74./". 2. C. Illust. PL 194. 



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

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

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

 pellucid, umbilicate then infundibuliform, ivheii 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 riifescent. Gills decur- 

 rent, somewhat dista7it, distinct, narrow, but broader at the 

 middle, fiesh-coloiir 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-sphoeroid, irregular, 7-8x5-6 mk. K. ; 6-4x4-5 mk. B. ; 

 5-7X3-4mk. IV. P. Name— /^a'zj, a small box. Box-shaped, i??^//. /. 568. 

 /. 2. Fr. Monogr. i. p. 182. Hy7?i. Eur. p. 157. Berk. Out. p. 130. /. 6. 

 / 8. C. Hbk. n. '2ij[. Illust. PI. 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, becomi7ig eve7i, not floccose, the reflexed margin involute. 

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

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

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



Very distinct from all others of this group in its shinitig -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 — Xevfco?, white ; 

 (^wXAoi/, a leaf. White-gilled. Fr. Vet. Ak. Fork. 1851. /. 45. Monogr. i. 

 p. 183. Hym. Eur. p. 157. Icon. t. 73./ 4. B. 5f Br. n. 1217. C. Illust. 

 PI. 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 \\\^xi 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>^ lin.) broad, whitish, not 

 becoming cinereous. 



