=T. bre´vipes= Bull.—_brevis_, short; _pes_, a foot. =Pileus= about 2 in. broad, _umber then becoming pale_, fleshy, _soft, convex then becoming plane_, even, smooth, moist (opaque when dry); flesh of the pileus _becoming brownish_ when moist, becoming white when dry. =Stem= _solid_, very _rigid_, at length fibrous, _pruinate at the apex, externally and internally fuscous_; otherwise very variable, sometimes _very short_, 2–3 lines only long and thick, attenuated downward; commonly 1 in., sometimes bulbous, sometimes equal, more slender. =Gills= emarginato-free, _crowded_, ventricose, disappearing short of the margin, quite entire, becoming fuscous then whitish. Solitary. _Inodorous._ The pileus is often stained with soil. _Stevenson._ =Spores= elliptical, 7.5×5µ _Peck_; 7–4µ _Massee_. Esculent and very delicate. _Paulet._ Esculent. _Cooke._ =T. hu´mile= Pers.—low, small. (Plate XVIII, fig. 6, p. 60.) Very variable in form and color. =Cap= 2–3 in. across, convex then expanded, wavy, flattened, sometimes umbonate, sometimes depressed, glabrous, occasionally powdered with thin white dust, fragments of veil, sometimes viscid. =Color= changes with moisture, blackish, grayish, and having somewhat the appearance of an oyster. =Gills= rounded-adnexed, with a slight tooth, arcuately decurrent, crowded, 2–3 lines broad, whitish. =Flesh= soft, whitish or grayish. =Stem= 1–2 in. long, up to ½ in. thick, equal (misshapen by pressure when tufted), light gray, _covered with fine down_, stuffed, becoming hollow, soft, fragile. Gregarious, usually tufted. =Spores= 7–8×5–6µ _K._ Open woods, in gardens, among cinders, grass, etc., September to frost. Woodland Cemetery, Philadelphia, 1897. _McIlvaine._ Its tufted habit and fair size, fleshy cap of good flavor, make it a desirable species. It cooks readily and the caps are of fine flavor. =T. pæ´didum= Fr.—_pædidus_, nasty. =Pileus= about 1-½ in. across. =Flesh= very thin, tough, becoming whitish; bell-shaped then convex, at length expanded, umbonate, at length depressed round the conical, prominent umbo, moist, virgate or streaked with innate fibrils radiating from the center, otherwise almost even, smoky-mouse color, opaque, margin naked. =Gills= adnexed with a slight decurrent tooth, slightly sinuate, crowded, narrow, white then gray. =Stem= about 1 in. long and 2 lines thick, base slightly bulbous, tough, slightly striate, naked, dingy-gray. =Spores= elliptic-fusiform, 10–11×5–6µ. In gardens, on dung-hills, etc. Small, tough, color dingy, without a trace of violet tinge. _Massee._ Edible. Cooks tender, and is of good flavor, notwithstanding its name, which in no way applies.