European Fungus Flora: Agaricaceae

Chapter 13

delica_, Ma.s.s. Fung. Fl. III, 53, _Lact. exsuccus_, Otto, &c.) but differs in polished pileus, pure white gills, &c.

=chloroides=, Bresad. (= _Lact. exsuccus_, Otto; _Agaricus chloroides_, Krombh.; _Russula delica_, Ma.s.s, &c. not of Cooke). P. 8-12 cm. depr.

edge involute, whitish, p.u.b.escent, flesh thick, white; g. decurrent, white with a tinge of green, connected by veins, forked; s. 3-5 cm.

stout, white, tomentose, sometimes with a pale green zone at apex; sp.

8-9.

Differs from _R. delica_ in p.u.b.escent pileus and stem, and green tinted gills.

++ _Pileus clear yellow._

=citrina=, Gillet. P. 4-6 cm. slightly viscid, convex then depr.; g.

broadest in front, forked, white; s. 4-7 cm. white, solid, slightly rugulose; sp. 7-8.

=fingibilis=, Britz. P. 4-5 cm. exp. depr. even, slightly viscid; g.

almost free, white; s. 3-5 cm. white, becoming hollow; sp. 7-9.

+++ _Pileus greenish or olive._

=olivascens=, Fr. P. 5-8 cm. exp. umbil. olive disc becoming yellowish, edge even; g. white then tinged yellow; s. 2-4 cm. stout, firm, even; sp. 9-10.

=heterophylla=, Fr. P. 5-8 cm. exp. depr. even, polished, greenish, yellow-brown, &c., disc becoming ochre, flesh white; g. very narrow, closely crowded; s. 2-3 cm. solid, white; sp. 7-8.

var. _galachroa_, Fr. P. milky white then greenish.

Differs from _R. cyanoxantha_ in very narrow, crowded gills.

[=smaragdina=, Q. P. thin, viscid, somewhat zoned, clear green, edge white; g. narrow, white; s. slender, pruinose, white; taste mild.

=azurea=, Bres. P. 4-5 cm. exp. depr. pale glaucous green, with white bloom; g. pale cream colour; s. 2-3 cm. white, rugulose; sp. 8-9.

Differs from _R. cyanoxantha_ in white meal on the pileus.

=virescens=, Fr. P. 7-12 cm. exp. umbil. dingy opaque green, innately flocculose, areolately cracked; g. rather crowded, forked; s. 4-6 cm.

stout, white; sp. 8-9. Edible.

[=luteo-viridans=, C. Mart. P. convex then depr. then edge erect and sulcate, pellicle viscid, separable, yellow with green or brown stains; g. broad; s. reticulated, base narrowed. Acrid.

var. _bicolor_, C. Mart. Disc of p. yellow, edge brown; g. dark ochre.

var. _purpurea_, C.

=furcata=, Fr. P. 6-10 cm. rigid, depr. sometimes subinfund. even, dark lurid green, even, frosted with a white silkiness; g. adnato-decur.

thickish, forked; s. 4-7 cm. firm, even, white; sp. 7-8.

var. _pictipes_, Cke. S. rosy at apex, greenish below.

var. _ochroviridis_, Cke. Disc of p. olive or sooty, ochraceous towards edge.

=aeruginea=, Lindbl. P. 6-9 cm. exp. darker disc depr., verdigris green, edge striate; g. narrow behind, slightly adnexed, pure white; s. 4-5 cm.

firm, even, persistently white; sp. 8-10.

++++ _Pileus red, brownish, purple, sometimes with green intermingled._

=lepida=, Fr. P. 6-9 cm. compact, depr. not polished, blood red, becoming pale, minutely cracked into squamules; g. much forked; s. 3-5 cm. even, white with rosy tinge; sp. 6-8.

=atropurpurea=, Kromb. P. 6-8 cm. hard, convex then exp. depr. smooth, even, deep blood red or purple red; g. adnate, white; s. 5-6 cm. white or tinged red.

Differs from _R. rubra_ in being quite mild.

[=cerasina=, C. Mart. P. viscid, depr. subcyathiform, edge sulcate, pellicle separable, cherry-red, disc yellow, flesh purple under cuticle; g. adnato-decur. ochre; s. rugulose, white. Acrid.

=cutefracta=, Cke. P. 6-12 cm. exp. depr. even, purple, dull red, etc., cracking into areolae from edge towards disc; g. adnexed, crowded; s.

6-8 cm. solid, white with tinge of purple; sp. 7-10.

=vesca=, Fr. P. 5-8 cm. exp. depr. flesh colour, disc darker, viscid, rugulose; g. adnate, crowded; s. 3-5 cm. solid, white, reticulately wrinkled; sp. 9-10.

var. _Duportii_, Phil. P. disc rufous, edge bluish, flesh reddish when cut. Smells of crab.

var. _lilacea_, Q. P. violet or purple, flesh violet under the cuticle.

var. _Barlae_, Q. P. peach colour.

=depallens=, Fr. P. 6-9 cm. firm, undulate, viscid, reddish, crimson, or brownish, disc paler at length; g. crowded, forked; s. 3-4 cm. base narrowed, white then grey; sp. 7-8.

Differs from _R. decolorans_ in having white gills.

[=pallida=, Karst. Acrid. P. convex then exp. mostly undulate, rather viscid, constantly pallid, here and there tinged rose, edge even; g.

white, edge sometimes sulphur; s. white, often curved; sp. 5-8.

Differs from _Russula pallescens_ in being more robust and even margin of p.

=cyanoxantha=, Schaeff. P. 5-9 cm. globose then depr. or infundib.

viscid, lilac, purplish, olive green, &c., edge generally bluish; g.

broad, forked; s. 4-6 cm. even, white; sp. 8-9.

=elephantina=, Fr. P. 6-10 cm. convex, umbil. margin incurved, brownish tan, wavy; g. obtusely adnate, arcuate, rather crowded, thin; s. firm, white; sp. ----.

Differs from _R. nigricans_ and _R. adusta_ in not turning black or red when old.

=mustelina=, Fr. P. 5-7 cm. depr. edge upturned, even, opaque, brownish or dingy yellowish, flesh persistently white; g. crowded, thin, connected; s. 4-5 cm. even, white; sp. 7-8.

II. Taste acrid.

* _Gills yellow or ochraceous._

+ _Pileus yellow or ochraceous._

=fellea=, Fr. Every part, outside and inside, pale ochraceous or straw colour, very acrid. P. 3-7 cm. exp. not becoming pale; g. adnate; s.

even, 4-6 cm.



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