=rufidula=, Kalchbr. P. exp. depr. not striate, rather rufous brick-red then pale, white-flocculose at edge; g. adnate, branched; s. watery rufescent, white-fibrillose, ring superior; sp. 8-10 x 4-6. PLUTEOLUS, Fr. =reticulatus=, Fr. P. 3-4 cm. campan. exp. viscid, reticulated with raised anastomosing wrinkles, pale violet; g. free, rusty saffron; s. 3-5 cm. fragile, fibrillose; sp. 7 x 4. [=dictyotus=, Kalchbr. Entirely pale ochraceous. P. campan. exp. umb. dry, with anastomosing raised veins; g. free; s. fragile, even, glabrous. Differs from _P. reticulatus_ in colour, and in growing on the ground. =aleuriatus=, Fr. P. 1-2 cm. conical then convexo-plane, viscid, striate, grey, livid, rosy, &c.; g. free, ventricose, saffron-ochre; s. thin, pulverulent, subincurved, white; sp. ----. BOLBITIUS, Fr. =grandiusculus=, Cke. and Mass. P. 2.5-5 cm. thin, campan. exp. slightly striate, pale yellow, disc rufous; g. free, rusty ochre; s. 6-9 cm. narrowed upwards, hollow, white; sp. 15 x 5-6. =vitellinus=, Fr. P. 3-5 cm. ovate then exp. viscid, egg-yellow, even then sulcate at the edge; g. adnexed, ochre then tan; s. 6-7 cm. equal, white, squamulose, hollow; g. 10 x 6. Differs from _B. flavidus_ in white stem, and from _B. Boltoni_ in clear yellow p. not depressed at disc. =Boltoni=, Fr. P. 3-4 cm. viscid, even, edge becoming sulcate, yellow then pale, disc darker and subdepr.; g. subadnate, yellow then livid fuscous; s. 4-5 cm. narrowed upwards, yellowish, at first flocculose; sp. 14 x 8. =flavidus=, Bolton. P. 2-4 cm. glutinous, conical then exp. disc a little elevated, pale yellow, edge striate; g. almost free, yellow then brownish; s. 4-6 cm. slightly tapering, yellow; sp. 10 x 6. =fragilis=, Fr. P. 1.5-2.5 cm. viscid, pellucid, edge striate, subumb. yellow then pale; g. yellowish then pale cinnamon; s. 4-7 cm. narrowed upwards, naked, glabrous, yellow; sp. 7 x 3.5. (14-15 x 8-9 Sacc.) [=bulbillosus=, Fr. P. convex-campan. exp. not striate, pale yellowish fuscous; g. free, ventricose, rusty; s. attenuated upwards from a somewhat marginate bulb, whitish yellow, glabrous; sp. 10-14 x 8. =affinis=, Mass. (sp. nov.) P. 1-2 cm. campan. then exp. umb. glabrous, dry, edge striate, yellowish tawny like the narrow, adnexed g.; s. 4-7 cm. attenuated upwards from a marginate bulb, white, shining; sp. 8 x 6. Differs from _B. bulbillosus_ in the pure white s., and umbonate, striate, tawny yellow p. which is whitish when dry. [=conocephalus=, Bull. P. 1-2 cm. conico-campan. fragile, slightly striate, viscid at the apex, creamy yellow; g. free, ventricose, becoming ochre; s. slender, elongated, pruinose at the apex, white; sp. 10 long. =titubans=, Bull. P. 2-3 cm. ovoid-campan. thin, glabrous, diaphanous, yellow, becoming striate, plaited and greyish at the edge; g. free, yellow then reddish or ochre; s. hollow, slender, very fragile, 3-5 cm. mealy, white, shining; sp. 12-14 x 8.