AGAEICINI. 89 



Solitary or sub-gregarions. Pilens 1-3 in. broad, tawny yellow, sbadedwitb 

 bright orange, or purplish brown, tinged with yellow, umbonate. flesh, thick 

 in the centre, margin thin, firm, covered with a smooth, wrinkled, glutinous 

 cuticle, sometimes pitted round the umbo, margin more or less striate ; gills 

 rather broad, rounded behind and in front, flesh-coloured, moderately dis- 

 tant, perfectly free, edge at first yellowish. Stem 2-3 in. high, 2-6 lines thick, 

 downy at the base, sometimes rooting, attenuated upwards, twisted and 

 striate, yellow or ochraceous, shaded with orange, solid, at length imper- 

 fectly hollow. Spores rose-coloured, elliptic. — J/. J.B. 



245. Agaricus (Pluteus) chrysophaeus. Scliceff. "Dingy 



Pluteus." 



Pilens sub-membranaceoiis, campanulate, fhen expanded, 

 naked, nearly even, smooth or slightly virgate ; margin striate ; 

 stem hollow, smooth ; gills free, white, then flesh-coloured. — 

 Fr. Epicr.p. 142. Schceff. t. 253. Soiv. 1. 174. Grev. 1. 173. BerTc. 

 Outl. 1. 1 ,f. 5. 



On wood, hollow trees, &c. [United States.] 



Somewhat gregarious, distinct, or two or three growing from the same 

 base. Pileus 1-3 in. convex, at length nearly plane, undulated at the margin, 

 nearly membranaceous ; colour yellowish or ochraceous brown. Surface gla- 

 brous, rugose, with veins in the direction from the centre to the circumfer- 

 ence. Gills rather numerous, broad, ventricose, free. Stem 2-4 in. long, 2-5 

 lines thick, somewhat fistulose, whitish, mostly twisted, equal, except at the 

 base, which is often thickened and frequently incurved. — Grev. 



246. Agaricus (Pluteus) phlebophorus. Ditm. "Veined 



Pluteus." 



Pileus rather fleshy, conyex, then expanded, yeined, rugose ; 

 margin naked, without striae ; stem hollow, smooth, incuryed, 

 shining ; gills free, white, then flesh-coloured. — Fr Epicr.p. 142. 

 Ditm.t.ib. Nees.f.202. Eng. Fl.Y.p.l^. Ann. N.H.no. 676*. 



On fallen sticks. Pare. 



Pileus about lin. broad, convex, becoming nearly plane when mature, cu- 

 ticle rugose, with prominent anastomosing veins, leaving deep pits between 

 them, of a pleasant yellowish brown, or pale reddish orange, with the mar- 

 gin generally incurred. Gills broad, at first white, becoming flesh-coloured. 

 Stem 2 in. high or more, hollow, incurved, ascending. A very beautiful species, 

 distinguished at once by the rugose pileus ; the pits are very deep, and the 

 reticulations very distinct. Spores sub-globose, '0003 in. long, "0002 in. di- 

 ameter. — W.G.S. 



Sub-Gen. 13. Extoloma. Fr. Epicr. p. 143. 



Spores extremely irregular in shape, salmon colour, pink, or 

 more or less approaching bright-red or brown ; yeil ''potential 

 rather than definite ;" pileus, margin at first incuryed, never at 

 first umbilicate, fleshy, or thin according to the species, viscid, 



