=plicato-crenata=, Fr. P. 1 cm. conical, subumb. coarsely plicate, edge crenate, pale yellow; g. white; s. 3-5 cm. viscid, tinged red or brownish, inside yellow; sp. ----. =rorida=, Fr. P. up to 1 cm. convex, umbil. sulcate, dry, pale ochre; g. subdecur. white; s. 3-4 cm. whitish, very glutinous; sp. ----. VIII. BASIPEDES. _Stem dry, base expanded into an orbicular disc or bubillose and strigose_. =stylobates=, Pers. White. P. 2-3 mm. obtuse, striate, subpilose; g. free; s. 3-4 cm. filiform, glabrous, inserted on a plane, orbicular, downy, striate disc; sp. 4 x 2. [=dilatata=, Fr. White. P. convexo-plane, obtuse, edge slightly striate; g. sublinear, connected into a collar; s. filiform, base orbicular, convex, glabrous. var. _clavicularis_. P. greyish, disc subrotund. =tenerrima=, B. White. P. 2-3 mm. convex, scurfy; g. free; s. 2-3 cm. minutely hairy below, fixed by a minute downy disc; sp. subgl. 3-4. =discopoda=, Lev. White. P. 2-3 mm. conical, obtuse, with white meal; g. adnate, distant; s. 2-3 mm. mealy, expanding at base into a minute downy disc; sp. ----. =saccharifera=, B. & Br. Whitish. P. 2-3 mm. convex; g. arcuately decur. dusted with shining particles; s. 3-4 mm. filiform, minute disc fixed by filaments; sp. ----. var. _eclectica_, Buck. White. P. sulcate, and like gills and stem, sparkling with granules. [=mammillata=, Pass. P. conico-campan. mammilate, sulcate, glabrous, shining white then greyish; g. adnate, broad; s. floccose below, base ending in a flat orbicular disc. [=mucor=, Batsch. Minute, fugacious. P. plicate, grey; g. adnate, distant, greyish white; s. hyaline, white, inserted in an orbicular disc. [=echinipes=, Lasch. Minute, white. P. camp. hyaline, striate; g. thick, distant; s. thickish, glabrous, base slightly bulbous, hairy. =pterigena=, Fr. Pale rose colour. P. 1-2 mm. camp. obtuse; g. adnate, broad, distant; s. 4-6 mm. thin, wavy, smooth, ending in a radially strigose disc; sp. ----. [=trachelina=, Fr. P. brown, fibrillose; g. adnate, broad floccoso-fimbriate; s. villosely squamulose, bulbillose, strigosely rooting. [=cyanorhiza=, Q. P. striate, greyish white; g. broad, whitish; s. greyish white, base somewhat swollen, hairy, blue. IX. INSITITIAE. _Stem very slender, not rooting nor attached by a disc but penetrating the substratum abruptly. Gills adnate._ =corticola=, Fr. P. 3-6 mm. obtuse, umbil. sulcate, blackish, brown, grey, &c.; g. adnate, broad; s. 1.5 cm. slender, incurved, minutely scurfy; sp. ----. =hiemalis=, Osbeck. P. 4-7 mm. camp. umb. striate, pinkish, rufescent, white, &c., often pruinose; g. narrow; s. 2-3 cm. curved, base downy; sp. 7-8 x 3. Differs from _M. corticola_ in narrow gills, and striate not sulcate pileus. =codoniceps=, Cke. P. 2-3 mm. high and 1.5 mm. broad, pale umber, not exp. sulcate, delicately hairy; g. adnate; s. 4-7 mm. umber below; sp. 5 x 2.5.