9 x 6.

Differs from _H. obrusseus_ in strong mealy smell, and p. becoming grey.

=conicus=, Fr. P. 2-5 cm. conical, acute, often lobed, yellow or tinged
crimson; g. nearly free, thin, yellowish; s. 3-9 cm. hollow
fibroso-striate, colour of p.; sp. 10-11 x 6-8.

Every part blackish when bruised or old.

[=albus=, Otth. P. conical, obtuse, even, white; g. free, snow-white; s.
white, striate, shining.

Differs from _Hygr. conicus_ in colour and obtuse p.

=calyptraeformis=, B. P. 3-7 cm. acutely conical then splitting and
exp. clear rose then paler; g. slightly adnexed, tinged rose; s. 6-9 cm.
hollow, white; sp. 7 x 4.

Var. _niveus_, Cke. Entirely white.

=chlorophanus=, Fr. P. 2-3 cm. fragile, very thin, convex, obtuse,
viscid, yellow, sometimes crimson; g. emarginate, adnexed, white tinged
yellow; s. viscid when moist, even, everywhere yellow, 4-7 cm.; sp. 8 x
5.

Differs from _H. conicus_ in not becoming black.

=psittacinus=, Schaeff. P. 1.5-3 cm. campan. then exp. umb. striate,
yellow and orange, with green gluten; g. thick, distant, greenish; s.
3-5 cm. glutinous, yellow, apex green; sp. 10 x 5.

=spadiceus=, Fr. P. 4-9 cm. thin, conical, acute, fibrilloso-virgate,
with olive-bay gluten, blackish and shining when dry; g. citrin; s. 5-7
cm. hollow, dry, tawny-fibrillose; sp. 6-7 x 4.

Differs from _H. conicus_ in virgate p. and thicker g. not narrowed
behind.

[=squalidus=, Lasch. Fragile. P. campan. exp. gibbous, and with the
glabrous hollow s. sooty and glutinous, orange after the gluten has
gone; g. thick, livid then fuscous, edge orange.

=unguinosus=, Fr. P. 4-5 cm. fragile, thin, obtuse, uneven, smooth, with
smoky-brown dripping gluten, becoming cracked; g. white; s. 4-5 cm.
hollow, with smoky gluten; sp. 10 x 7-8.

[=obscuratus=, Karst. P. fragile, convex, obtuse, dry, squamulose, sooty
or livid blackish, mouse-colour when dry; g. sinuato-adnate, whitish or
glaucous; s. unequal, usually inflated below, wavy, glabrous, pallid,
centre often tinged smoky; sp. 7-10 x 3-5.

=nitratus=, Pers. Smell strong, nitrous. P. 3-5 cm. deformed, viscid,
soon dry and squamulose, brownish-grey; g. broad, distant, white then
glaucous; s. 4-7 cm. polished, white or tinged yellow; sp. 8 x 5.

There are two forms, a large one in woods, and a smaller one in
pastures, structure that of _H. coccineus_, but colours very different.
Readily distinguished by the strong nitrous smell.

[=Schulzeri=, Bres. P. hemisph