Part 16 (1/2)

=luteoalba=, Bolton. P. 1-2 cm. campan. then exp. and umb. pale yellow; g. adnate, broad, white; s. 3-5 cm. s.h.i.+ning, glabrous, yellowish; sp.

=flavoalba=, Fr. P. 1-5 cm. exp. umb. often cracked at margin, yellowish or white; g. soon free, distant; s. 2-3 cm. white, pellucid, apex pruinose; sp. 6-8 3-4.

_M. lactea_ differs in adnate gills and downy base of stem.

_M. luteoalba_ has a yellowish stem.

=lactea=, Pers. White. P. 1-1.5 cm. sub.u.mb. striate, even when dry; g.

adnate, narrow, crowded; s. 3-5 cm. toughish, not quite straight, glabrous; sp. 7-8 3-4.

Differs from _M. gypsea_ and _M. tenuis_ in scattered habit.

var. _pithya_, Fr. Smaller, p. becoming almost plane; s. thin, base bubillose, downy.

forma _pulch.e.l.la_, Fr. Milk-white; g. linear, ascending; s. attenuated.

Solitary.

[=olida=, Bres. Smell very strong, rancid. P. thin, conico-campan.

obtuse, then exp. and umb. yellow soon pale straw; g. uncinato-decur.

connected by veins, white; s. hyaline, strigosely rooting; sp. 8-9 6.

=gypsea=, Fr. Caespitose. Pure white, rarely with a yellow tinge. P. 1-2 cm. conical then campan. striate up to umbo, glabrous; g. subuncinate; s. 5-7 cm. straight, narrowed upwards from hairy base; sp. 8-9 4.

[=nivea=, Q. s.h.i.+ning white. P. sulcate, diaphanous; g. uncinate; s.

pruinose, base rather swollen, fibrillose.

[=galeropsis=, Fr. P. conico-camp. even, gilvous; g. free, whitish; s.

straight, narrowed upwards, fragile, not rooting, ferruginous below.

[=nucida=, Brig. P. campan. obtuse, even, downy under a lens, deep rust-colour, hygr.; g. free, white then rosy; s. silky s.h.i.+ning, base snow-white, apex mealy.

[=Benzonii=, Fr. P. very thin, campan. exp. umbil. finely striate, pallid or reddish; g. white; s. equal, glabrous, white.

An introduced species.

[=melanops=, West. P. convexo-camp. plicate, umbo blackish-brown; g.

adnexed to a collar; s. slender, glabrous base fibrillose.

[=pruinatus=, Fr. s.h.i.+ning white. P. thin, conico-campan. papillate, edge deflexed, sulcate, pruinose; g. crowded; s. bulbous, naked.

III. RIGIDIPEDES. _Stem firm, rigid, rather tough, juiceless, base strigosely rooting, gills discoloured, grey, reddish, &c., often connected by veins._

=cohaerens=, Fr. P. 2-3 cm. camp. obtuse, tawny cinnamon, soft and velvety; g. free, distant, very broad, pallid; s. 8-12 cm. h.o.r.n.y, rigid, even, s.h.i.+ning, bay, base downy, rooting; sp. 10 7-8.

[=raeborhiza=, Lasch. P. acute camp. exp. glabrous, striate, rather tawny then pale; g. almost free, connected by veins; s. even, floccosely pruinose, rooting, tinged tawny.