Part 106

+ Gills attached to stem.

# Pileus white.

## Pileus coloured.

=velox=, Godey. P. obovate, striate then grooved, scurfy between the ribs, disc also greyish and scurfy, 3-4 mm.; g. close to stem; s. 1.5-3 cm. with white floccose down; sp. ----.

=ephemerus=, Fr. P. very delicate, ovate then campan. sulcate, slightly scurfy, disc elevated, even, rufescent, 1-2 cm.; g. slightly adnexed; s. 3-6 cm. glabrous, whitish, pellucid; sp. 16-17 x 9-10.

++ Gills free.

# Stem fibrillose or downy.

=cothurnatus=, Godey. P. conico-campan. then exp. and umb. densely scurfy, whitish, yellowish or reddish, 2-3 cm.; g. free; s. 3-5 cm. white, squamulose below; sp. ----.

## Stem glabrous.

=sociatus=, Fr. P. ovate then campan. plicate, subsquamulose or scurfy, disc umber and becoming depr. 2 cm.; g. narrowed behind, attached to a collar; s. 4-5 cm. white, glabrous, not pellucid; sp. ----.

Gills much nearer s. than in C. plicatilis, much narrowed behind, black.

Differs from C. plicatilis in yellow p. and s.

Differs from C. nycthemerus in white s.; and from C. velaris in rough disc.

=papillatus=, Fr. P. elliptical then campan. becoming plane and upturned; disc prominent and rough with minute warts, dark, striate, covered with greyish scurf, .5-1 cm.; g. free; s. 2.5 cm. white, hyaline, hollow; sp. 15 x 7.

=radiatus=, Fr. P. cylindrical, soon plane and splitting, yellowish, disc darker, then whitish, minutely pilose when young; g. almost free; s. 1-3 cm. hyaline, pilose; sp. 7-8 x 5.

=Gibbsii=, Mass. and Crossl. Very minute, p. 0.5 mm. hemispher. then exp. striate, glabrous, pale ochre; g. adnate, few; s. 4-7 mm. white, glabrous; sp. subcircular, compressed, 8-9 diam.; cystidia piriform.

** Pileus glabrous.

+ Gills attached to stem.

# Stem downy or pulverulent.

=tardus=, Karst. P. ovoid then campan. 2.5-5 cm. coarsely striate, bay then ochre, glabrous; g. adnate; s. 6-10 cm. white, slightly flexuous, equal; sp. angularly ellipt. 12-18 x 7-9.

Differs from C. deliquescens in smooth disc and adnate g.

## Stem glabrous.

Young plant enveloped in a golden yellow weft (= Ozonium).

=congregatus=, Fr. P. cylindrical then campan. edge slightly striate, glabrous, viscid, ochre, 1.5-2 cm.; g. slightly adnexed; s. 2-3 cm. smooth, hollow, white; sp. ----.

=alternatus=, Fr. P. hemisph. then discoid, even, glabrous, chalk-white disc pale umber, 3 cm.; g. adnate; s. whitish, hollow, 7-10 cm.; sp. 10 x 6-7.

=digitalis=, Fr. P. ovate then campan. whitish disc darker, glabrous, striate up to disc, 2.5 cm.; g. slightly adnexed; s. 3-5 cm. whitish, equal; sp. ----.

When mature the p. is sometimes livid olive or yellowish grey, and g. appear to be adnate.

Differs from C. plicatilis in adnate g.