=retisporus=, Ma.s.s. P. 5-8 cm. depr. smoky brown, velvety, radially rugulose, minutely velvety; g. deeply sinuate, pale ochre; s. 3-5 cm.

glabrous, paler than p.; milk white then brown; sp. globose, 10-11, with a raised network.

Close to _L. ligniotus_, differing especially in the spores.

[=sangifluus=, Fr. P. depr. even, not zoned, blood-red; s. narrowed upwards, paler; g. thin, white; milk blood-red; sp. 10.

**** _Milk becoming grey._

=vietus=, Fr. P. 3-5 cm. sub.u.mb. then plane and umbil. flesh colour, pale and silky when dry; g. subdecurrent; 4-6 cm. soon hollow, livid; milk white then grey, becoming acrid; sp. 7-8.

[=musteus=, Fr. P. convex then depr. zoneless, very viscid when moist, gilvous then pallid; g. closely crowded, whitish; s. short, whitish; milk scanty, slightly acrid, whitish then grey, as is the flesh when cut; sp. 6-9.

***** _Milk becoming glaucous-green._

=glaucescens=, Crossl. P. 4-6 cm. whitish, depressed, flesh thick; g.

adnate, narrow, pallid; s. 2.5-3 long by 1.25 thick, whitish; milk white then glaucous-green; sp. echinulate, 6-7 .

****** _Milk persistently white._

+ _Milk mild._

-- _Gills rufescent or yellowish._

=volemus=, Fr. P. 6-10 cm. rigid, depr. obtuse, dry, glabrous, golden tawny at length minutely broken up; g. decur. crowded, yellowish; s. 5-9 cm. solid, stout, coloured like p. pruinose; milk white; sp. 5-6.

Edible.

=ichoratus=, Batsch. P. 6-10 cm. thin, depr. even, glabrous, wavy, tawny, zoned; g. adnate, white then ochre; s. 3-7 cm. glabrous, tawny; milk white; sp. 8-10 6-7.

Differs from _L. volemus_ in zoned p. and in being altogether more slender. _L. t.i.thymalinus_ differs in acrid milk and pinkish gills.

=mitissimus=, Fr. P. 2.6 cm. depr. papillate, dry, even, zoneless, deep orange, shining; g. crowded, paler than p.; s. 3-6 cm. hollow, orange; milk white; sp. 6-8 5-6.

Differs from _L. subdulcis_ in bright orange, shining p., and copious milk.

=quietus=, Fr. Smell oily. P. 5-8 cm. depr. viscid at first, reddish cinnamon, pale and rather silky when dry; g. paler than p.; s. 5-8 cm.

colour of p. glabrous; milk white; sp. 8-10 6-7.

=serifluus=, Fr. P. 2-5 cm. plane then depr. rather wavy, glabrous, not zoned, tawny brown, margin incurved; g. crowded, yellowish; s. 2-4 cm.

slightly incurved, paler than p. solid; milk scanty, watery; sp. 7-8.

Differs from _L. subdulcis_ in solid stem.

=camphoratus=, Fr. Smell strong, pleasant. P. 3-5 cm. thin, depr. dry, glabrous, reddish-brown, slightly zoned, rather wavy; g. adnate, reddish-yellow; s. 2-3 cm. subundulate, colour of p.; milk white; sp.

8-9.

Smell strong and fragrant, especially when dry.

_L. cimicarius_ has a very strong smell when quite fresh, but none when dry.

=sub.u.mbonatus=, Lindgr. P. 2-3 cm. thin, depr. sub.u.mb. rugose, punctate, wavy, dusky cinnamon, flesh grey then yellowish; g. adnate, pinkish rufous; s. 2-3 cm. stuffed, rufescent; milk watery, whitish; sp. 5-6.

(9, Sacc.)

Smell foetid when dry.

=tomentosus=, Otto. P. 5-7 cm. umb. then depr. or infundib. downy, dingy flesh colour or brownish; g. tinged reddish-yellow; s. 4-5 cm. soon hollow, pallid, naked, smooth; milk white; sp. 8-9.

=helvus=, Fr. P. 5-9 cm. fragile, plane, sub.u.mb. pale brick red, broken up into floccose squamules; g. decurrent, soon ochraceous; s. 5-8 cm.

brick red, pruinosely p.u.b.escent; milk scanty, white, rather sweet; sp.

8-9.

_L. tomentosus_ differs in the naked stem.

=squalidus=, Kromb. P. 2-5 cm. umbil. pale greyish olive or lurid; g.

narrow, yellowish; s. 4-5 cm. solid, equal, glabrous, pale brown; milk whitish; sp. 6-10.

About size of _L. pyrogalus_, but gills narrow and milk mild.

=ligniotus=, Fr. P. 4-7 cm. exp. umb. plicato-rugulose, pruinosely velvety, sooty umber; g. adnate, snow-white then tinged ochre; s. 6-12 cm. colour of p., apex constricted and plicate; milk white; sp.

echinulate, 9-10.

Known by rugulose pileus and mild milk.

---- _Gills pallid._

=pallidus=, Fr. P. 6-10 cm. umbil. viscid, pale ochraceous tan, zoneless; g. crowded, pallid, pruinose; s. 3-5 cm. pallid tan, soon hollow; milk white; sp. 9-10 7-8.

=cremor=, Fr. P. 3-5 cm. soon plane, minutely punctate, tawny, margin striate; g. adnate, pallid; s. 3-4 cm. hollow, coloured like p.; milk whitish, watery; sp. 9-10.

var. _pauper_, Karst. P. 7 cm. margin sulcate; milk none; sp. 10.

[=rubrocinctus=, Fr. P. plane, tawny then paler; g. adnate, pallid; s.

pallid with a pale red zone at the apex; milk scanty, white.

++ _Milk acrid._

-- _Gills whitish or pallid._

=vellereus=, Fr. White. P. 9-18 cm. umbil. tomentose, zoneless; g.

decurrent, distant; s. solid, p.u.b.escent, 5-8 cm.; milk scanty, white; sp. 8 6.

=piperatus=, Fr. White. P. 7-18 cm. thick, firm, umbil. then infundib.

edge erect, glabrous, even; g. decur. crowded, narrow, forked; s. 3-4 cm. stout, smooth, solid; milk copious, white, acrid; sp. 8-9.

=pergamenus=, Fr. White. P. 5-8 cm. plane then depr. wavy, rugulose; g.

adnate, very narrow, horizontal, tinged straw colour; s. glabrous, discoloured, 7-10 cm.; milk white; sp. 8 6.

Differs from _L. piperatus_ in crowded narrow gills, longer stem, and thinner pileus.

=Scoticus=, B. and Br. Pallid white, smell pungent. P. 2.4 cm. soon plane, tomentose then smooth except incurved margin; g. thin, rather broad; s. 2-3 cm. solid, tinged pink; milk white; sp. 7-8.