Parasitic on living trees. =comosa=, Fr. P. 7-14 cm. convex, viscid, tawny with whitish deciduous scales; g. subdecur. white then brownish tan; s. 7-9 cm. solid, rather bulbous, white, ring floccose, soon disappearing; sp. 12 x 6. (7.5-8.5 x 5-6 Sacc.) [=magna=, Schulz. P. convex-umb. wood-yellow, with broad scattered adpressed scales; g. sinuate, yellow then umber; s. cylindrical, thick, squarrosely scaly, yellowish; sp. 8-11 x 4-6. =heteroclita=, Fr. P. 6-14 cm. exp. very obtuse, subexcentric, whitish or yellowish, with scattered scales; g. very broad; s. 6-9 cm. solid, hard, bulbous, rooting, whitish, fibrillose, veil apical; sp. 8-10 x 5-6. [=cerifera=, Karst. P. convex, even, upper stratum thick, waxy-gelatinous, glabrous, yellow, edge white-squamulose at first; g. crowded, broad, pallid; s. central, solid, equal, curved, rooting, hard, white-squamulose, whitish; sp. 8-10 x 6-7. =aurivella=, Batsch. P. 7-14 cm. campan. convex, gibbous, tawny yellow, with darker scales, rather viscid; g. sinuato-adfixed; s. 8-14 cm. curved, with rusty adpressed squamules, ring rather distant; sp. 5 x 2.5. (8-9 x 4-5 Sacc.) var. _filamentosa_, Schaeff. P. thinner, scales adnate, concentric, ring floccoso-radiate. =squarrosa=, Muell. Smell strong. P. 5-9 cm. campan. convex, exp. dry, rusty saffron, with darker concentric, squarrose, revolute scales; g. narrow, pallid olive then rusty; s. 6-11 cm. squarrosely scaly up to ring; sp. 8 x 4. var. _Muelleri_, Fr. P. obtuse, pallid, adpressedly scaly, moist; g. fuscescent. var. _reflexa_, Schaeff. P. thin, cuspidately umbonate, scaly; s. partly hollow, long, equal. var. _verruculosa_, Lasch. P. compact, obtuse, yellow, papillate scales crowded, cinnamon; s. villosely squamulose. [=humicola=, Quel. P. campan. convex, pale yellow, spotted; g. yellow; s. slender, fistulose, yellowish, spotted; sp. 11-12 long. Probably a var. of _Pholiota squarrosa_. =subsquarrosa=, Fr. P. 3-5 cm. convex, viscid, rusty brown with darker adpressed floccose scales; g. almost free, crowded, yellow then dingy tan; s. 5-8 cm. rusty yellow, with darker scales up to zone of ring; sp. ----. Differs from _P. squarrosa_ in nearly free g. [=djakovensis=, Schulz. P. pulvinate-umb. fleshy, edge for a long time bent down, golden, darker and adpressed scaly at disc, very viscid in rain; g. crowded, free, tan then purple-brown, edge entire; s. somewhat rooting, ascending, subbulbous, scaly up to ring, colour of p.; sp. 4-5 long. [=fusca=, Q. P. 5-8 cm. convex, umb. viscid, brown with buff flecks near the edge; g. pale then lilac, at length brown; s. fibrous-fleshy, curved, subbulbous, yellowish-white, apex pulverulent, covered with fine flecks below the floccose annular zone; sp. 13 long. ++ _Gills yellow then pure rusty or tawny._