[=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