Under oak trees. Pasadena. January. _McClatchie._ This fungus is similar in size, shape and habitat to A. hemorrhoidarius, but it is unlike that species in color, in the adornment of the pileus and in its color not changing where bruised or broken. Bull. Torr. Bot. Club, 22–5 My. 95. =A. Elven´sis= B. and Br.—Name from river Elwy, Wales, where first found. Tufted. =Pileus= 4–6 in. or more across, subglobose then hemispherical, fibrillose, broken up into large persistent brown scales, areolate in the center, margin very obtuse, thick, covered with pyramidal warts. =Stem= at first nearly equal, at length swollen in the center, and attenuated at the base, 4–6 in. high, 2 in. thick in the center, fibrillose and areolate below, nearly smooth within the pileus, solid, stuffed with delicate threads. =Ring= thick, very large, deflexed, broken here and there, warted in areas beneath. =Gills= rather crowded, ¼ in. broad, free, of a brownish flesh-color. =Spores= elliptic oblong, 8×4µ. Under oak trees, etc. Edible, delicious eating. Flesh of pileus ¾ in. thick, red when cut. _Massee._ California, _H. and M._ Edible. _Cooke_, 1891. =A. f[oe]dera´tus= Berk. and Mont.—confederated. =Pileus= fleshy, thin, at first ovoid then bell-shaped, finally convex, somewhat umbilicate with the center slightly depressed, margin hanging down (when dry involute), fragments of the veil hanging from the margin, tawny, scaly with minute, scattered, white, persistent granules, 2–3 in. broad, ¾-1½ in. high. =Stem= stout, hollow, stuffed with fibers, gradually increasing in size to the base; below the ring rough from the ruptured bark, 4 in. high. =Ring= superior, broad, reflexed, torn, persistent. =Gills= linear, medium broad, at first pinkish-lilac, when adult brownish, edge white, pulverulent, adnate, gradually attenuated toward the margin. =Spores= dingy-brown, ovoid oblong, 10µ long. Somewhat cespitose. Elegant. On the ground in pastures. July. Columbus, Ohio. _Sullivant_, Mont. Syll., p. 121. Edibility not reported. I have not seen this species. =A. xylo´genus= Mont. _Gr_—produced on wood. =Pileus= membranaceous, at first ovoid, then conical, bell-shaped, umbonate, finally convexo-plane, smooth, pale-yellow, center brownish, margin split, striate when dry, 1½-2½ in. broad, 1¼ in. high. =Stem= cartilaginous, white, 3 in. high, ¼ in. thick, gradually thickened toward the base, hollow. =Ring= of medium size, inferior, erect or reflexed. =Gills= free, remote, lance-shaped, rounded behind, attenuated toward the margin, pink as in A. campester. =Spores= spherical, colorless, hyaline, 5–7.5µ. On dead wood. August. Columbus, Ohio. _Sullivant._ Mont. Syll., p. 122. Edibility not reported. I have not seen this species. ** _Gills at first brownish or gray._