Resembling _P. petaloides_ in habit but white, and no stem-like base.

[=pinsitus=, Fr. P. fleshy, soft, horizontal, silky-villose, wavy, hygr.

dingy then white; g. broad, distinct; sp. rough, 10-11 long.

[=nidulans=, Pers. P. subreniform, tomentose, yellow; g. broad, tawny-orange; sp. 3-5 1.

[=caesiozonatus=, Rab. P. subsessile, tough, plane then depr. behind, downy, ochre-brown, zoned with bluish grey; g. broad, brownish yellow.

=septicus=, Fr. P. 1-2 cm. rather fleshy, resup. then reflexed, p.u.b.escent, white; s. thin, 2-3 mm. incurved, disappearing; g. distant; sp. 8-10 6.

_Claudopus variabilis_ differs in tinted gills and spores.

[=roseolus=, Q. P. convex, conchoid, translucent, striate, rather woolly, rosy-purple; g. rosy, edge darker; s. curved, downy, colour of p.; sp. 8.

** _Pileus fleshy, striate, upper surface gelatinous, or with a viscid pellicle._

=mastrucatus=, Fr. P. 4-5 cm. resup. then exp. and horizontal, often lobed, brown, with erect bristly squamules; g. broad, greyish white; sp.

[=rivulorum=, Pat. and Doas. P. subgelatinous, pellucid, rusty brown and covered with white down, horizontal or ascending; g. grey then vinous; s. lateral, tubercular, downy, white, rosy when touched; sp. 4-6.

[=tremens=, Q. P. reniform or flabellate, diaphanous, rosy-violet, tremelloid; g. sinuate, pinkish; s. lateral, colour of p.; sp. rough, 6-7.

=atrocoeruleus=, Fr. P. 2-5 cm. fleshy, downy, dusky blue; g. broad, whitish; sp. glob. 2-3.

P. sometimes brownish, and g. sometimes yellowish.

[=myxotrichus=, Lev. P. reniform, at first viscid, becoming spongy, covered with white down, sessile or with a short stem; g. rather broad, crowded; sp. 10-12 long.

[=furvellus=, Karst. P. dusky or bluish rosy, yellowish-white then brownish when old; sp. 6-9 4-5.

Allied to _P. unguicularis_ but larger and becoming pale.

=Leightoni=, B. P. 1-1.5 cm. at first obliquely conical then sh.e.l.l-shaped, umber or lead-colour, scurfy and with short black bristles; g. distant, tan, forked at base; sp. ----.

=algidus=, Fr. P. 2-3 cm. horizontal, reniform, pellicle thin, viscid, reddish-brown or grey; g. crowded, yellowish.

=fluxilis=, Fr. P. reniform, gelatinoso-viscid above, umber; g.

radiating from a lateral point, distant, whitish; sp. 10 long.

[=unguicularis=, Fr. P. resup. covered with a viscid pellicle, grey or blackish; s. incurved then ascending, very short, white; g. distant, white; sp. 4-6 1.5.

[=Silva.n.u.s=, Sacc. P. thin, sessile, cupulate or dimidiate, resupinate then reflexed, very even, glabrous, greyish black, very minutely white-scurfy; g. broad, dingy white; sp. strongly curved, 8-9 3.5-4.

=cyph.e.l.laeformis=, B. P. 5-8 mm. pendulous, cup-shaped, downy or mealy, upper layer gelatinous, grey; g. narrow, distant, pure white; sp. ----.

Resembling a _Cyph.e.l.la_ in habit.

[=nivosus=, Q. P. thin, campan. sessile, gelatinous, white and like parchment when dry, granularly rugose, striate, subpellucid, smoky grey, when moist with hyaline warts; g. narrow, white; sp. reniform, 12 2.

=applicatus=, Batsch. P. 4-8 mm. dusky grey, sessile, thin, rather firm, cupulate, resupinate then reflexed, slightly striate, subpruinose, base downy; gills broad, paler; sp. glob. 4-5.

Differs from _P. tremulus_ in absence of distinct s.

[=Mustialensis=, Karst. P. resupinate, subgelatinous within, sessile or with an exceedingly short lateral stem, black, white-tomentose; g.

distant, narrow, paler; sp. 6-8 4.

Differs from _P. applicatus_ in black p. with white down, and dark g.

*** _Pileus membranaceous, not viscid._

=Hobsoni=, B. P. 4-7 mm. reniform or semicircular, horizontal, pale grey, downy; g. radiating, pallid; sp. ----.

Differs from _P. applicatus_ in being plane.

=striatulus=, Fr. P. 3-4 mm. very thin, pale grey, slightly cup-shaped, striate, glabrous; g. few, distant.

[=ca.n.u.s=, Q. P. thin, dimidiate, reniform, edge mostly lobed, whitish, downy, striate; g. very distant, adnate, white, edge fimbriate; s.

rudimentary; sp. 7-9 5.

[=arenarius=, Lasch. h.o.a.ry-pallid, subsulcate, slightly tomentose; g.

distant, thick, broad; s. absent or very short, white-floccose.

Allied to _P. striatulus_.

[=perpusillus=, Fr. White. P. very thin, resup. then reflexed, even, glabrous; g. few, broad.

[=subplicatus=, Karst. P. very thin, resup. orbicular, usually entire, almost plane, striato-plicate, rather silky, white, fixed by a white downy base; g. radiating from an excentric point, broad, whitish; sp.

6-7 4-5.

var. _cinereus_, Karst. Entirely pale grey or glaucous.

=hypnophilus=, B. P. 3-6 mm. very thin, flat, white, rather reniform, nearly smooth; g. radiating, distant, simple; sp. 5 3.

Resembling _Claudopus variabilis_, but gills and spores white.

=chioneus=, Pers. Snow white. P. 2-3 mm. very thin, subresupinate, downy; s. short, downy, evanescent; g. rather broad; sp. 10 long.

_P. septicus_ is larger; s. more distinct; p. thicker.

Differs from _P. hypnophilus_ in downy pileus.

[=craterellus=, Dur. and Lev. Cupulate, white, even, downy, edge entire; sp. 6 long.

[=pudens=, Q. P. downy, hygr. coriaceous, cup-shaped, g. radiating, thin, wavy, white tinged lilac; s. central, short.

CANTHARELLUS, Adans.