Part 105

## Stem floccose or pulverulent at first.

=narcoticus=, Fr. Foetid. P. cylindric-clavate then exp. 1.5-2 cm. hyaline, striate, at first with white floccose squamules; g. free; s. 4-5 cm. white, downy at first, hollow; sp. 11 x 5-6.

=lagopus=, Fr. P. cylindr. then campan. coarsely striate up to brown disc, at first with white flocci; g. free; s. 10-15 cm. everywhere with white floccose down; sp. 14-16 x 10-12.

Differs from C. narcoticus in absence of smell. C. lagopoides differs in tomentum breaking up into scales, and g. very distant from stem.

=macrocephalus=, B. P. cylindr. then campan. striate, ashy grey, disc brownish, sprinkled with pointed scales, 2 cm.; g. free; s. 3-5 cm. dingy white, fibrillose below; sp. 11-13 x 7-8.

Differs from C. lagopus in dark grey p.

Differs from C. Friesii in being at first covered with brown tomentum which breaks up into flecks.

Differs from C. tigrinellus in not having a brown veil.

=fimetarius=, Fr. P. 2-2.5 cm. clavate then conico-exp. soon splitting, disc even brownish, at first covered with squarrose floccose scales, then naked; g. free; s. 10-15 cm. white, squamulose, base solid; sp. 12-14 x 7-8.

var. pullatus, Fr. P. with adpressed squamules, soon naked, dark; s. soon smooth.

var. cinereus, Fr. P. floccosely mealy then naked, grey; s. rootless, hollow to base.

var. macrorhiza, Fr. P. at first with feathery squamules; s. short, rooting.

*** Veil formed of white meal, or hyaline vesicles. Not glistening or micaceous.

=tuberosus=, Q. P. campan. 3-5 mm. finely striate, white then greyish, veil of hyaline vesicles; g. blackish violet; s. 2-4 cm. slender, wavy, white, downy, springing from a small black sclerotium; sp. 12 long.

Smaller than C. niveus, and springing from a sclerotium.

=filiformis=, B. and Br. P. 1-2 mm. cylindrical, striate, grey, mealy; g. linear; s. 1-1.5 cm. slender, hyaline, sprinkled with hairs; sp. subg. 5 x 4.

Intermediate between C. tomentosus and C. niveus.

V. Volva and ring absent. Pileus covered with glistening particles when young.

=micaceus=, Fr. P. 3-6 cm. oval then campan. glistening then naked, sulcate, tawny ochre; g. adnexed; s. 5-8 cm. white, silky, hollow.

Differs from C. micaceus in p. becoming sooty grey.

=aratus=, B. P. 5-8 cm. narrowly elliptical then campan.-umber, grooved up to disc; g. slightly adnexed; s. 10-15 cm. snow-white, silky, hollow; sp. 15 x 10-11.

=stercorarius=, Fr. P. 2.5-3 cm. ovate then campan. edge striate, densely covered with white glistening meal; g. adnexed; s. 7-12 cm. white, hollow, minutely mealy at first; sp. 14-15 x 8.

C. niveus differs in tomentose p., and C. albus in sulcate p.

=radians=, Fr. P. ovate then campan. 2.5-5 cm. edge striate, disc granuloso-squamulose, tawny ochre then pale, glistening; g. slightly adnexed; s. 3-5 cm. white, smooth, base with dense radiating strands of mycelium; sp. 7 x 4.

=truncorum=, Fr. P. globose at first then campan. glistening then naked, tawny ochre, striate, 2-4 cm.; g. free, rosy then black; s. 7-10 cm. slender, white, glabrous, hollow; sp. 12-14 x 6.

Differs from C. micaceus in p. being globose at first, and not sulcate, and in free, rosy g.

VI. Volva, ring, and veil absent; flesh very thin, pileus soon splitting along the lines of the gills, scurfy or glabrous.

* Pileus more or less scurfy.