[=mammilata=, Kalchbr. P. thin, exp. conico-papillate, even, viscid, pale ochre; g. rotundato-adnate, blackish brown; s. glabrous, white then yellowish, ring fugacious. =stercoraria=, Fr. P. 2-3 cm. hemispher. then discoid, rather viscid, glabrous, yellow; g. adnate, broad, olive-black; s. 8-10 cm. stuffed with free pith, elongated, flocculose below the distant ring, rather viscid, white tinged yellow; sp. 18-20 x 8-10. =semiglobata=, Batsch. P. 2-3 cm. persistently hemispher. even, glutinous, yellow; g. adnate, broad, clouded black; s. 6-10 cm. glabrous, glutinous, yellowish, ring imperfect, inferior; sp. 12 x 6. Differs from _P. stercoraria_ in persistently hemispher. p. and glabrous s. [=siccipes=, Karst. P. hemispher. exp. obtuse, orbicular, naked, even or edge slightly pellucidly striate, viscid, whitish clay-colour; g. adnato-subdecur. clay-colour then fuscous and clouded; s. pallid, dry, straight or wavy, flocculose, pruinose above the distant, dry ring; sp. 12-15 x 7-9. Intermediate between _S. stercoraria_ and _S. semiglobata_. [=paradoxa=, P. Henn. P. campan. papillately umb. viscid, centre brown, edge broadly revolute, even, glabrous; g. adnato-decur. wavy, veined, dusky brown; s. wavy, striate, fibrous, yellow, base white-downy, ring black, floccose, deciduous; sp. 14-17 x 7-10. B. SPINTRIGERI. _Pileus without a pellicle, but innately fibrous, not viscid._ [=calceata=, Schaeff. P. exp. adpressedly fibrillose, moist, stoutly umb. even, dingy yellow then pale; g. nearly free; s. solid, glabrous, white, base marginately bulbous, limb free like a volva. [=ocreata=, Holmsk. P. globoso-campan.-exp. obtuse, granulose then imbricately scaly, red then gilvous; g. nearly free; s. peronate up to imperfect ring. [=medusa=, Brig. P. globose then convex, even, subrimosely squamulose when dry, yellowish white, edge lobed; g. nearly free, sooty, edge crenulate; s. solid, subtuberous, fibrillose, white, ring fugacious. =caput-medusae=, Fr. P. 3-5 cm. ovate, exp. lacunose, squamulose, discoid, umber-brown, edge ochre; g. adfixed; s. 5-9 cm. peronate with squarrose scales up to superior ring, scales at length falling away; sp. 10 x 4. (16-18 x 5 Sacc.) =scobinacea=, Fr. P. 3-5 cm. exp. gibbous, somewhat sulcate, at first covered with crowded, blackish adpressed squamules; g. adnate, crenulate, purplish; s. 6-9 cm. hollow, fibrillose, white, apex mealy, ring superior, fugacious; sp. ----. [=sulcata=, Gill. P. conico-campan. umb. covered except at summit with branched ridges, reddish; g. distant; s. white, striate below and mealy above the ring. [=sulcatula=, Gill. P. convex, rugosely ridged, when young with reddish superficial scales, then naked and whitish or tinged red at disc; sooty-brown, edge whitish, denticulate; s. elongated, squamulose up to ring, striate above, white, base rooting very cottony.