[=polycephalus=, Bres. Branched. P. convex then subinfundib. white, edge lobed; g. decur. white, connected by veins; s. white, downy, apex branched; sp. 6 x 3.5. [=ochraceus=, Gill. P. unequally infundib. edge upturned, lobed, yellowish ochre; g. decur. almost to base of stem, anastomosing, rosy-white; s. branched, even, spotted ochre. C. PLEUROPUS. _Stem exactly lateral._ [=spathulatus=, Fr. P. fleshy, spathulate, glabrous, brownish; g. dichotomous, crowded, white; s. thin, glabrous. =muscigenus=, Fr. P. 1-1.5 cm. spathulate, horizontal, glabrous, zoned, yellowish brown or fuscous, greyish white when old; g. thick, distant, branched, colour of p.; s. short, base downy; sp. 10-12 x 6-8. Differs from _C. glaucus_ in being brown when moist, and from _C. retirugis_ in having a distinct lateral stem. =glaucus=, Batsch. Grey. P. 1 cm. ligulate, ascending, silky, not zoned; g. fold-like, tumid, distant, forked; s. short, pruinose; sp. 5 x 3. D. RESUPINATE. _Pileus cup-shaped at first, fixed by the vertex, then subreflexed._ * _Growing on mosses._ [=bryophilus=, Fr. P. thin, cupulate, white, vertex forming a stem-like point of attachment, villose; g. broad, dichot., radiating from centre. Gills acute, much resembling an Agaric. [=juranus=, Q. and Pat. (= _Dictyolus_.) P. wavy, 1-2 mm. diam. snow-white, becoming split, thin, downy, springing from cobweb-like mycelium; g. fold-like, branched, broad, thin, white then cream; sp. 6-7 long. Close to _C. bryophilus_. =retirugus=, Fr. P. 1-2 cm. thin, exp. wavy and lobed, greyish-white, adfixed by fibrils behind; g. radiating from centre, very thin, reticulated; sp. 10 x 8. =lobatus=, Fr. P. 1-2 cm. horizontal, lobed, brown then pale; g. fold-like, distinct, branched, divergent; sp. ----. [=muscorum=, Fr. P. thin, gelatinous, ear-shaped, dingy rufous, glabrous; g. crisped, folds divided near the margin of p.; sp. 3-4 x 2-3. ** _Growing on wood._ [=applicatus=, Lev. P. lobed, margin byssoid, tomentose, white; g. vein-like, radiating from the centre, forked, white. [=odorus=, Wetts. Reddish-yellow, strongly-scented. P. entire, solid, fleshy, convex then turbinate or subconcave, often umbil. or subwavy, glabrous, edge slightly incurved; g. thick, forked, decur.; s. solid, glabrous; sp. subgl. 3-4. [=crucibulum=, Fr. P. cup-shaped, downy, white; g. dichotomous, broad, dingy yellow, edge obtuse. [=Coemansii=, Rab. P. campan. tomentose, whitish, edge incurved; g. fold-like, somewhat forked, cinnamon. ARRHENIA, Fr. * _Stem lateral._ [=auriscalpium=, Fr. Brown. P. thin, convex, glabrous; g. vein-like, few, distant, simple; s. exactly lateral, straight, downy. Resembling _Hyduum auriscalpium_ in form, but smaller. ** _Pileus sessile._ [=tenella=, Fr. P. .5-1 cm. effuso-reflexed, thin, soft, blackish, becoming lobed; g. vein-like, simple, with shorter ones, dark.