homsoni=, B. and Br. P. 3-5 cm. exp. umb. grey, with a network of
raised ribs; g. slightly adnexed; s. 3-4 cm. paler than p.; sp. 6 x 3.5.

[=subrubens=, Karst. P. conico-exp. umb. adpressedly squamulose or
fibrillose, glabrous, mouse-colour; g. sinuato-adnexed, edge crenate; s.
hollow, scurfy then glabrous, paler than p. reddish; sp. rough, 9-12 x
7-8.

[=indutum=, Boud. Small, entirely grey. P. campan. then exp. umb.
coarsely fibrillose; g. broad, uncinate, powdered with the rosy spores;
s. slender, fibrillose.

=tortipes=, Mass. P. 6-7 cm. convex then exp. umb. often depressed, dark
brown then tan and shining; g. broadly adnate; s. 4-5 cm.
silky-fibrillose, flexuous, white tinged tan; sp. 5 x 3.

Differs from _E. clypeatum_ in elliptical sp.

III. NOLANIDEI. _Pileus thin, hygr. rather silky when dry. Often
wavy and deformed._

=clypeatum=, L. P. 5-7 cm. campan. then exp. umb. lurid then greyish; g.
serrulate; s. 7-9 cm. stuffed, attenuated, fibrillose, pallid; sp.
subgl. rough, 9-10.

=nigrocinnamomeum=, Kalchbr. P. 5-7 cm. convex then exp. depressed round
the umbo, blackish umber, even, glabrous; g. reddish cinnamon; s. 4-6
cm. hollow, somewhat twisted, fibrillose, greyish fuscous; sp. subgl.
rough, 8 x 9.

Differs from _E. clypeatum_ in hollow stem and entire edge of gills.

=rhodopolium=, Fr. P. 5-12 cm. campan. then exp. gibbous then subdepr.
edge wavy at first incurved, brown or livid then pale and silky shining;
g. adnate then sinuate; s. 5-9 cm. hollow, glabrous, shining white; sp.
rough, 8-10 x 6-8.

[=pluteoides=, Fr. P. splitting, convex, exp. obtuse, greyish white when
moist, dingy yellowish when dry; g. emarginato-adnexed, crowded; s.
hollow, rigid, cuticle fibrillose, white, usually rooting.

[=elaphinum=, Fr. P. convex, obtuse, glabrous, bright fawn when moist,
pallid fuscous when dry, edge striate; g. somewhat truncate behind, very
broad; s. hollow, naked, livid; sp. rough, 10 x 6.

[=turbidum=, Fr. P. campan. convex, umb. margin at first straight and
adpressed to stem, then split into striae, somewhat fuscous, grey when
dry; g. crowded, greyish white; s. hollow, inflato-clavate, glabrous,
even, silvery shining; sp. 8-11 x 7-8.

=majale=, Fr. P. 3-7 cm. campan.-convex, umb. edge spreading, wavy,
cinnamon, yellowish when dry; g. crenate; s. 7-9 cm. twisted, striate,
whitish, base with white down; sp. rough, 10-14 x 7-10.

=Wynnei=, B. and Br. Smell unpleasant. P. 3-4 cm. conve