[=praenitens=, Beck. P. hemispher. exp. white, with densely imbricated chestnut scales which become smaller and denser at disc; g. remote, purple-brown, edge white; s. clavato-bulbous, concentrically scaly up to large ring, white; sp. 7-8 x 5. =arvensis=, Schaeff. P. 10-24 cm. conico-campan. then exp. smooth, even, white often stained yellow, flesh white, unchangeable; g. close to stem, narrow; s. 6-12 cm. hollow, whitish, floccosely stuffed, ring pendulous, double, exterior radiately split; sp. 6 x 4. (9-11 x 6 Sacc.) Edible. var. _purpurascens_, Cke. Smaller than type. P. tinged purple. Differs from _Ag. xanthodermus_ in the persistently white flesh. =xanthodermus=, Genev. (= _Ag. flavescens_, Roze.) P. 6-10 cm. fleshy, convex, even, glabrous, greyish-white, cuticle becoming yellowish when touched, and the white flesh changing to yellow when broken; g. free, sinuate, pale rose then grey, finally purple-brown; s. cylindrical, stuffed, ring thin, flesh deep yellow at base, rest white; sp. ----. Differs from _A. arvensis_ in flesh becoming yellow, and in yellow base of stem. [=ammophilus=, Menier. P. convex, exp. thick, whitish; g. free, crowded, rosy; s. stout, solid, base more or less thickened, whitish, ring membranous, strongly adherent to apex of s. slightly striate, with a circular canal; sp. 6-7.5 x 4-7. =cretaceus=, Fr. P. 6-9 cm. globose then convex, shining white, at first smooth and silky, then fibrillosely squamulose; g. for a long time white, then blackish-brown; s. 6-8 cm. white, hollow, ring large, superior, fixed; sp. 9 x 6. Edible. =pratensis=, Schaeff. P. 4-7 cm. ovoid then exp. even or squamulose, greyish-white; g. rounded behind, grey then brown; s. 4-6 cm. stuffed, base thickened, naked, ring median, simple, deciduous; sp. 6 x 3.5. var. _fulveolus_, Lasch. P. squamuloso-fibrillose, yellowish or reddish; s. hollow, yellowish; g. tawny-denticulate. [=Bernardii=, Q. Compact, white, tomentose under a lens. P. 10-20 cm. convex then exp. cracked into areolae, greyish-white; s. solid, stout, ovate, striate at the apex, ring membranous, striate above; g. free, greyish-pink then bay-brown; flesh white, becoming purplish then brownish when broken; sp. subgl. 8. Foetid. Edible. =campestris=, L. 6-12 cm. convex then plane, floccosely silky or fibrillose, whitish, flesh reddish-brown when cut; g. close to stem, subliquescent, fleshy then umber; s. stuffed, even, white, ring median, torn; sp. 7-8 x 5-6. Edible. var. _alba_, Berk. P. rather silky white; s. short. var. _praticola_, Vitt. P. with rufous scales, flesh reddish. var. _rufescens_, Berk. P. rufous, minutely scaly; s. elongated. var. _umbrina_, Vitt. P. even, umber; s. stout, squamulose. var. _fulvaster_, Viv. P. even, ochraceous-tawny; s. solid; g. rosy then blackish. var. _villaticus_, Brond. P. cortex breaking up into scales; s. peronately scaly up to inf. ring.