Part 13

V. GUTTATA. Pileus fleshy, soft, fragile, with drop-like markings; stem solid.

* Gills not discoloured.

=gambosum=, Fr. P. 6-12 cm. flesh thick, exp. and wavy, glabrous, spotted, pallid tan, margin incurved and downy at first; g. crowded, ventricose; s. 5-7 cm. stout, flocculose at apex, white; sp. 13-14 x 8-9. Edible.

=albellum=, Fr. P. 5-7 cm. conical then exp. gibbous, whitish, pallid, greyish when dry, mottled with spots, margin naked; g. crowded, broadest in front; s. 3-5 cm. fibrillosely striate, solid, white; sp. 6-7 x 4.

=boreale=, Fr. P. 4-6 cm. irreg. subumb. glabrous, rivulose when dry, margin even, naked, flesh-colour becoming pale; g. crowded; s. 5-8 cm. solid, elastic, base narrowed, whitish; sp. subg. 4-5.

** Gills discoloured, rufescent or smoky.

=amethystinum=, Scop. P. 3-5 cm. exp. wavy, glabrous, livid and spotted with bluish patches; g. crowded, white then rufescent; s. 3-5 cm. solid, narrowed at base, paler than p.; sp. ----.

=tigrinum=, Schaeff. P. 3-5 cm. exp. often wavy, glabrous, margin invol. pale brown or greyish with brown spots; g. crowded, narrow, white then greyish; s. 2-3 cm. and nearly as thick, solid, white, pruinose; sp. subgl. 8.

Differs from T. guttatum in glabrous pileus with an even margin.

=pes-caprae=, Fr. P. 2-5 cm. conical then exp. umb. unequal, greyish brown, glabrous; g. broad, greyish white; s. 6-7 cm. naked, white; sp. 8 x 5.

var. multiforme, Schaeff. P. irreg., caespitose, smaller than type.

VI. SPONGIOSA. Pileus compact then spongy, obtuse, even, glabrous, not hygrophanous.

* Gills not discoloured.

=Schumacheri=, Fr. P. 6-7 cm. exp. obtuse, livid grey, even, moist, edge beyond gills incurved; g. narrow, crowded, pure white; s. 6-8 cm. white, solid, fibrillosely-striate; sp. ----.

=patulum=, Fr. P. 5-8 cm. plane, obtuse, wavy, even, glabrous, pale grey or pallid; g. sides veined, pallid; s. elastic, equal, glabrous, 5-8 cm.; sp. 7-8 x 4.

=circumtectum=, Cke. and Mass. P. 5-8 cm. dry, obt. or subumb. wavy, margin incurved, downy, greenish olive then tan; g. white; s. 3-4 cm. whitish, striate, base pointed; sp. subgl. 4-5.

=arcuatum=, Bull. P. 5-8 cm. brownish white then tan, exp. margin incurved, glabrous, flesh-coloured; g. arcuate, crowded, white; s. 4-6 cm. solid, fibrilloso-squamulose, pale brown, base darker, bulbous; sp. ----.

Differs from T. panaeolum in having white gills, and from T. melaleucum in having coloured flesh.

var. cognatum, Bull. Larger. Gilvous outside and inside or dingy tan; p. obtuse, discoid; g. tan.

oreinum, Fr. P. 2-3 cm. soon plane, obtuse, glabrous, fuscous, even; g. rounded, free, white; s. solid, short, 2-3 cm. whitish, apex white squamulose; sp. ----.

Separated from T. humile by the gills projecting beyond the margin of pileus.

=album=, Schaeff. Entirely white, taste acrid. P. 6-9 cm. convex then depr. even, glabrous, dry, disc sometimes tinged yellow; g. rather crowded; s. 6-8 cm. narrowed upwards, solid, elastic; sp. 5-6 x 3.

var. caesariatum, Fr. P. white or yellowish, exp. fibrillosely silky, then glabrous; s. slender, fragile, apex rather mealy; g. nearly free.

=leucocephalum=, Fr. Pure white, smell mealy. P. 3-4 cm. plane, even, moist, glabrous after silky veil has gone; g. crowded; s. 5-6 cm. hollow, smooth, cartilaginous, tough, rooting; sp. 9-10 x 7-8.

T. album differs in having no smell, and T. inamoenum in strong disagreeable smell and very broad gills.

** Gills discoloured.

=acerbum=, Bull. P. 7-10 cm. expanded, margin at first involute, sulcate and rugulose, viscid, whitish then tinged rufous; g. narrow rufescent; s. 5-8 cm. pale, apex squamulose; sp. subg. 5-6.

=militare=, Lasch. Smell and taste unpleasant. P. 8-15 cm. convex, gibbous, margin even, viscid, cinnamon; g. white, torn, then spotted; s. 7-11 cm. solid, squamulose, pallid, base subbulbous; sp. ----.