* Veil thick and felty, breaking into patches.
+ Gills attached to stem.
=aphthosus=, Fr. P. campan. even, livid, 2-3 cm. white veil at first continuous then broken into floccose patches; g. adnate; s. 5 cm. white, hollow, fibrillose; sp. 15-16 x 10.
Differs from C. varicus in hollow stem.
Differs from C. albus by glabrous s.
++ Gills free.
=picaceus=, Fr. P. campan. glutinous, striate up to disc, blackish with white patches; g. free; s. 10-15 cm. white, hollow, base swollen; sp. 14 x 8.
=tomentosus=, Fr. P. cylindr. then narrowly conical, at length exp. 2-3 cm.; pallid yellow, covered with a greyish felt which breaks into scales; g. free; s. 5 cm. hollow, greyish, velvety; sp. ----.
Differs from C. picaceus in white p. and solid s.
** Veil breaking up into superficial scales, cottony or fibrillose.
+ Gills attached to stem.
# Pileus white or grey.
=niveus=, Fr. All pure white. P. 1-2.5 cm. campan. floccose; g. slightly adnexed; s. 5-8 cm. hollow, villose; sp. 16 x 11-13.
var. astroideus, Fr. P. squamose, naked, grey, 1 cm.; s. up to 8 cm. slender, glabrous.
Medium sized, allied to C. niveus.
=exstinctorius=, Fr. P. 3-5 cm. across, campan. whitish, apex tinged brown, at first with evanescent floccose scales; g. reaching stem; s. 8-12 cm. smooth, white, hollow, swollen at base and rooting; sp. 10-11 x 6-7.
Differs from C. fimetarius in pileus becoming bald from disc to margin.
Differs from C. plicatilis in adnate g. and from C. diaphanus in villose stem.
=similis=, B. and Br. P. ovate then campan. pallid disc darker, striate, studded with brown tipped pointed warts, 2.5 cm.; g. adnate; s. white, hollow.
Allied to C. lagopus.
## Pileus tawny or brownish.
=domesticus=, Fr. P. campan. obtuse, sulcate, disc even, bay, rest paler, scurfy-floccose, 4-7 cm.; g. adnexed; s. 6-9 cm. white, silky; sp. 11-12 x 7.
++ Gills free.
# Stem glabrous.
=nycthemerus=, Fr. P. conico-cylindr. then exp. 1.5-2 cm. plicate, ribs forked near edge, mealy then naked, grey, disc tawny; g. free; s. 5-7 cm. white, glabrous, flaccid, hollow; sp. ----.
=Spraguei=, B. and Curt. P. conical then campan. 1.5-2 cm. tomentose, striate, greyish, disc tawny; g. few, distant; s. 3-5 cm. pale reddish ochre; sp. 10 x 5.
=Spegazzinii=, Karst. P. cylindr. or oval, then exp. and splitting up to disc, greyish, soon naked and grooved; g. free; s. white, hollow, thickened below and rooting; sp. 9-14 x 5-6.
=platypus=, B. and Cke. P. white then yellowish, flocculose, 4-5 mm.; g. free; s. 1.5-3 cm. base discoid; sp. 8 x 6.
European Fungus Flora: Agaricaceae · The Wunder Library — complete classics, free to read, with narration.