=C. geo´tropa= Bull. _Gr._—the earth; _Gr._—to turn. From the turned down margin. =Pileus= 2–5 in. across. =Flesh= thick, white convex, then plane and finally more or less depressed, obtusely umbonate, the prominence remaining after the pileus becomes depressed, very smooth, even, margin thin, incurved, downy, pale pinkish-tan or buff. =Gills= decurrent, crowded, narrow, simple, white, then colored like the pileus. =Stem= 3–5 in. long, 1 in. or more thick at the base, slightly attenuated upward, compact, fibrillose, colored like the pileus or paler, solid. =Spores= elliptical, 6–7×4–5µ. _Massee._ In woods and on their borders. Often in rings or troops. Differs from C. maxima in being firmer, glabrous, and color much more variable; from C. gilva in the thinner pileus, less crowded gills, and white flesh. =Spores= 5–7µ _W.G.S._ In England and on the continent it is considered excellent and superior to most edible fungi. Found in West Virginia, 1881; Haddonfield, N J., 1891. Spring and autumn. _McIlvaine._ Edible, coarse, dry. In stews and mixed to form croquettes or patties, it is a desirable species, owing to its plentifulness. =C. splen´dens= Pers.—_splendens_, shining. Solitary. =Pileus= 2–3 in. across, flesh rather thick, white, plane then depressed or funnel-shaped, glabrous, shining, yellowish. =Gills= deeply decurrent, narrow, crowded, simple, white. =Stem= about 1 in. long, 3 lines thick, glabrous, colored like the pileus, solid, slightly thickened at the base or equal. _Massee._ In woods, among pine leaves, etc. Intermediate between C. gilva and C. flaccida. The typical form of C. gilva differs in the compact pileus, often with drop-like markings, the very much crowded, somewhat branched, pale ochraceous gills and flesh. _Fries._ Sent to me from Trenton, N.J., by E.B. Sterling. Edible; quality good, deficient in flavor. =C. inver´sus= Scop.—_inverto_, inverted. =Pileus= 2–3 in. across. =Flesh= thin, fragile; convex, soon funnel-shaped, margin involute, glabrous, even, reddish or dull brownish-orange. =Gills= decurrent, simple, pallid then reddish. =Stem= about 1½ in. long, 2 lines thick, glabrous, rather rigid, paler than the pileus, stuffed, soon hollow. =Spores= subglobose, 4µ diameter. _Massee._ Among leaves, etc. Gregarious, subcespitose, forming very large tufts, especially late in the autumn, deformed. Smell peculiar, slightly acid. Stem sometimes stuffed, usually hollow, hence compressed, rather rigid and corticated outside, not elastic, without a bulb, glabrous, whitish; the somewhat rooting base with white down, and often growing together in tufts, variously deformed, curved, ascending, etc. _Fries._ =Spores= subglobose, 4µ _Massee_; 3µ _W.G.S._ Closely resembles C. infundibuliformis, but differs from it in the color of gills and flesh. The entire plant is dark in color. Solitary; in troops; cespitose. Found in mixed woods. Haddonfield, N.J. Summer and autumn.