=hysginus=, Fr. P. 6-10 cm. rigid, umbil. viscid, thin margin incurved, reddish flesh colour; g. crowded; s. 5-9 cm. stuffed then hollow; milk white; sp. 10 x 7-8.
=zonarius=, Fr. P. 5-9 cm. compact, viscid, pale orange or yellowish, zoned; g. whitish; s. 5-8 cm. solid, yellowish; milk white; sp. 9-10 x 8.
=circellatus=, Fr. P. 5-9 cm. soon plane, wavy, viscid, brownish, zones and umbilicate disc darker; g. crowded, whitish; s. solid, narrowed below, pallid; milk white; sp. 7-8.
L. flexuosus differs in yellow gills.
=trivialis=, Fr. 9-18 cm. depr. viscid, zoneless, pale yellowish or pinky tan, margin incurved; g. crowded, white; s. 3-8 cm. paler than p., hollow; milk white; sp. 9-10.
=turpis=, Fr. P. 6-14 cm. rigid, depr. zoneless, viscid, olive-umber, margin at first with yellow down; g. thin, pallid; s. 3-6 cm. viscid, olive, narrowed at base; milk white; sp. echin. 6-8.
Differs from L. blennius in absence of circles of spots on pileus.
=umbrinus=, Pers. P. 5-8 cm. plane, umbil. wavy, dry, floccose, umber, not zoned; g. crowded, pallid; s. solid, very short, 2 cm. greyish white; milk white, forming grey spots; sp. 8-9.
=blennius=, Fr. P. 7-12 cm. depr. glutinous, dingy olive grey, often concentrically spotted, margin at first incurved; g. crowded; s. 3-5 cm. viscid, coloured like pileus; milk white; sp. 7-8 x 6.
## Gills rufescent or yellowish.
=rufus=, Scop. P. 6-9 cm. umb. depr. flocculose then glabrous, zoneless, rufous bay, shining; g. yellowish rufous; s. 5-8 cm. rufescent; milk white; sp. 7-9.
Differs from L. quietus in brighter colour and acrid milk.
=capsicum=, Schulz. P. 3-6 cm. obtuse, deep chestnut colour, margin strongly incurved; g. tawny; s. white with tawny fibrils; milk white; sp. 6-7.
=subdulcis=, Fr. P. 3-6 cm. thin, at length depr. papillate, even, glabrous, zoneless, bay or rufous cinnamon, not turning pale; g. adnate, paler than p.; s. 3-5 cm. soon hollow, equal, rufescent, slightly pruinose; milk white, sweet at first then very slightly acrid; sp. 9-10.
var. concavus, Fr. P. rufous bay; g. reddish, pruinose; mild.
var. sphagneti, Fr. P. shining, margin crenate; s. hollow, glabrous.
=Terrei=, B. and Br. Caespitose. P. 1-2 cm. wrinkled, depr. bay; g. decur. pallid; s. thickened at base, hollow, with orange down; smell sweet.
=cimicarius=, Batsch. Smell unpleasant, oily. P. 2-4 cm. depr. or infund. wavy, dark bay brown; g. reddish ochre, subdecur.; s. 2-3 cm. paler than p.; milk white; sp. 7-8.
Smell strong, said to resemble bugs.
=obnubilus=, Lasch. P. 2-3 cm. thin, convex, umbil. sooty brown, slightly striate; g. rather crowded, yellowish; s. 3-4 cm. stuffed, slender, paler than p.; milk white; sp. 8-9.
var. crenatus, Mass. P. 3-5 cm. sooty brown, coarsely sulcate, margin crenate.
=flexuosus=, Fr. P. 7-12 cm. dry, depr. wavy, lead colour or with lilac tinge, becoming squamulose; g. thick, distant, yellow; s. 5-8 cm. stout, solid, greyish; milk white; sp. 6-8.
var. roseozonatus, Fr. P. rose colour, zones darker.
Differs from L. blennius in yellow gills.
=plumbeus=, Fr. P. 8-14 cm. convex then infundib. dry, dull, sooty then blackish brown; g. crowded, tinged yellow; s. solid, equal, stout; milk white, acrid; sp. 6-8 x 4-6.
Differs from L. flexuosus in broad, crowded, white g.
=pannucius=, Fr. P. plano-discoid, zoneless, glabrous, brick-red, edge white-tomentose at first; g. yellow; s. elongated; milk white, acrid.
Differs from L. blennius in larger size, tufted habit, convex p. and darker colour.
European Fungus Flora: Agaricaceae · The Wunder Library — complete classics, free to read, with narration.