1. A. Mesopus. Pileus entire. Stem central.
    1. * Pileus and stem fleshy and solid.
    2. cibarius. Every part opaque yellowish-buff. P. 3-7 cm. wavy then turbinate, glabrous; g. thick, distant; s. 3-5 cm. narrowed below; sp. 9 × 5-6.
    3. Edible. Smell none when fresh, like apricots when kept for some time. Sometimes all whitish.
    4. var. rufipes, Gillet. Flesh pale ochraceous, s. rufous at base.
    5. [amethysteus, Q. P. thick, egg-yellow, edge flocculose violet flesh-colour; g. reticulate, yellow; s. obconic, colour of p.; sp. 11 long.
    6. Friesii, Q. P. 2-3 cm. convex then depr. villose, somewhat orange; g. fold-like, branched, yellow; s. 2 cm. slender, downy, base white, narrowed; sp. 6-7 × 2-3.
    7. With gills of C. cibarius and habit of C. aurantiacus.
    8. aurantiacus, Fr. P. 2-4 cm. thin, depr. soft, subtomentose, dingy orange then pale; g. crowded, dichotomous, orange, rather broad; s. 1-2 cm. expanding upwards, orange, base often dark; sp. 10 × 5.
    9. Poisonous. Perhaps should be placed under Clitocybe.
    10. [hypnorum, Brond. P. campan. tomentose, yellowish or pale ochre; g. decur. branched, yellow; s. slender, solid, wavy, almost glabrous, yellowish.
    11. [rufescens, Fr. P. plano-depr. almost glabrous, gilvous, thin; g. crowded, thin; s. elongated, stuffed, narrowed upwards.
    12. [olidus, Q. (= C. rufescens, Q. not Fr.) P. fleshy, edge downy, white, convex then cyathiform, flesh white then pinkish; g. decur. pinkish; s. rosy; sp. 3-4 long.
    13. Taste sweetish. Smell of burnt sugar when dry.
    14. [brachypodes, Chev. P. thin, infundib. almost glabrous, fuscous; the short stuffed stem and straight gills yellowish.
    15. Brownii, B. and Br. P. rather fleshy, convex, subumb. pale ochre then reddish; g. very narrow, simple or forked, whitish; s. 3-5 cm. slender, tough; sp. 7 × 5.
    16. Gills very narrow, vein-like, hardly decur.
    17. [subdenticulatus, Mont. Small, entirely apricot colour. P. rather scurfy, convex and umb. then subdepr. edge spinously toothed; gills fold-like, thickish, decur.; s. solid, flocculose above, base narrowed; sp. globose.
    19. [parvus, Otth. P. infundib. fibrously scaly, brownish-grey; g. fold-like, scarcely prominent, yellowish; s. slender, twisted, greyish-yellow, sulcate.
    20. carbonarius, A. and S. P. 3-6 cm. umbil. bay then blackish, striato-squamulose; g. straight, narrow, white; s. 2.5 cm. paler than p. rooting; sp. 14-15 × 7-8.
    21. Fasciculate, 2-3 pilei often appearing to spring from a branched stem.
    22. umbonatus, Fr. P. 1.5-2.5 cm. thin, umb. then depr. flocculose, blackish grey; s. 5-7 cm. equal, paler; g. straight, crowded, white; sp. 10 × 4-5.
    23. Resembling an Agaric in habit.
    24. albidus, Fr. P. 1.5-2.5 cm. infundib. wavy, glabrous, pallid, sometimes indistinctly zoned; g. dichotomous, white; s. 2-3 cm. solid, subequal, glabrous; sp. ——.
    25. Tough, sometimes tinged brown or yellow.
    26. [longipes, Lamb. P. centre prominent, edge thin, upturned, dry, even, chestnut; g. fold-like, decur. closely crowded, forked, yellowish; s. long, pale grey.
    27. [Turrissi, Inz. Straw-colour. P. fleshy-waxy, hygr. convex then digitaliform, often umbil.; g. decur. white, thick, fold-like, simple, rarely branched; s. white, ventricosely fusiform.
    28. ** Pileus submembranaceous; stem tubular, polished.
    29. tubaeformis, Fr. P. 3-5 cm. infundib. wavy, lobed, flocculose, brownish then pale; g. thick, distant, much branched, smoky yellow, not pruinose; s. 4-7 cm. hollow, glabrous, lacunose, tawny-orange; sp. 9 × 6-7.
    30. var. lutescens, Fr. P. convex, umbil. almost regular, nearly glabrous; g. less divided. Connects present sp. with C. infundibuliformis.
    31. var. lutescens, Fr. P. convex, umbil. almost even and regular; g. less divided.
    32. Differs in more equal stem narrowed upwards.
    33. Connects C. tubaeformis with C. infundibuliformis.
    34. infundibuliformis, Fr. P. 2-6 cm. thin; infundib. floccoso-rugose, smoky yellow then pale; g. thick, dichotomous, greyish yellow, pruinose; s. fistulose, even, glabrous, yellow; sp. 9-10 × 6.
    35. cinereus, Fr. P. 3-5 cm. thin, infundib. open at base, blackish grey, villosely-squamulose; g. thick, distant, grey; s. 3-5 cm. paler than p.; sp. 7 × 5. (15-8 Sacc.)
    36. Resembling Craterellus cornucopioides but having distinct gills.
    37. [leucophaeus, Nouel. P. thin, tough, infundib. glabrous, brownish umber; g. distant, simple, mixed with dichotomous ones, white; s. stuffed, thin, even, colour of p.
    39. cupulatus, Fr. P. 1-1.5 cm. plano-infundib. wavy, hygr. pallid fuscous or brownish, flocculose when dry; g. very distant, branched, grey; s. 2-3 cm. stuffed, polished, colour of p.; sp. 7 × 5.
    40. Houghtoni, Phil. P. 2-3 cm. convex, umbil. wavy, whitish; g. slightly decur. narrow, tinged pink; s. 3-5 cm. equal, whitish, stuffed; sp. 7 × 4.
    41. Stevensoni, B. and Br. P. 5-8 mm. orbicular, umbil. pallid, smooth; g. decur. pallid; s. 1-1.5 cm. slender, cylindrical, white then darker, pulverulent; sp. ——.
    42. replexus, Fr. P. 1.5-2.5 cm. campan. convex, exp. and inversed, striate, brown then grey; g. adnato-decur. veined, branched, distant, white or glaucous; s. 3-5 cm. fistulose, glabrous, thickened upwards; sp. ——.
    43. Habit of a Mycena but g. thick and fold-like.
    44. var. devexus, Fr. P. cucullate; s. stuffed; g. simple, grey.
    45. [hygrophanous, C. P. Laest. P. infundib. punctate, hygr. edge involute, obtuse; g. decur. branched, edge obtuse; s. fistulose, tough, silky-shining.
    46. [coriaceus, Preuss. P. depr. rusty brown, edge rather wavy and then incurved; g. vein-like, forked, pale yellow; s. stuffed, thick, pallid.
  2. B. Merisma. Stems very numerous, united into an elongated column, or branched.
  3. [fascicularis, Strauss. P. tubiform, split on one side, cochleate, downily scaly; flesh and connate stems violet.
  4. [ramosus, Schulz. Lurid yellow. P. fleshy, plano-depr. at length deeply umbil. fibrous; s. solid, caespitose, divided into branches each dilating into a pileus at its apex; g. vein-like, anastomosing.
    1. * Growing on mosses.
    2. [bryophilus, Fr. P. thin, cupulate, white, vertex forming a stem-like point of attachment, villose; g. broad, dichot., radiating from centre.
    3. Gills acute, much resembling an Agaric.
    4. [juranus, Q. and Pat. (= Dictyolus.) P. wavy, 1-2 mm. diam. snow-white, becoming split, thin, downy, springing from cobweb-like mycelium; g. fold-like, branched, broad, thin, white then cream; sp. 6-7 long.
    5. Close to C. bryophilus.
    6. retirugus, Fr. P. 1-2 cm. thin, exp. wavy and lobed, greyish-white, adfixed by fibrils behind; g. radiating from centre, very thin, reticulated; sp. 10 × 8.
    7. lobatus, Fr. P. 1-2 cm. horizontal, lobed, brown then pale; g. fold-like, distinct, branched, divergent; sp. ——.
    8. [muscorum, Fr. P. thin, gelatinous, ear-shaped, dingy rufous, glabrous; g. crisped, folds divided near the margin of p.; sp. 3-4 × 2-3.
    9. ** Growing on wood.
    10. [applicatus, Lév. P. lobed, margin byssoid, tomentose, white; g. vein-like, radiating from the centre, forked, white.
    11. [odorus, Wetts. Reddish-yellow, strongly-scented. P. entire, solid, fleshy, convex then turbinate or subconcave, often umbil. or subwavy, glabrous, edge slightly incurved; g. thick, forked, decur.; s. solid, glabrous; sp. subgl. 3-4.
    12. [crucibulum, Fr. P. cup-shaped, downy, white; g. dichotomous, broad, dingy yellow, edge obtuse.
    13. [Coemansii, Rab. P. campan. tomentose, whitish, edge incurved; g. fold-like, somewhat forked, cinnamon.
  5. [polycephalus, Bres. Branched. P. convex then subinfundib. white, edge lobed; g. decur. white, connected by veins; s. white, downy, apex branched; sp. 6 × 3.5.
  6. [ochraceus, Gill. P. unequally infundib. edge upturned, lobed, yellowish ochre; g. decur. almost to base of stem, anastomosing, rosy-white; s. branched, even, spotted ochre.
  7. C. Pleuropus. Stem exactly lateral.
  8. [spathulatus, Fr. P. fleshy, spathulate, glabrous, brownish; g. dichotomous, crowded, white; s. thin, glabrous.
  9. muscigenus, Fr. P. 1-1.5 cm. spathulate, horizontal, glabrous, zoned, yellowish brown or fuscous, greyish white when old; g. thick, distant, branched, colour of p.; s. short, base downy; sp. 10-12 × 6-8.
  10. Differs from C. glaucus in being brown when moist, and from C. retirugis in having a distinct lateral stem.
  12. glaucus, Batsch. Grey. P. 1 cm. ligulate, ascending, silky, not zoned; g. fold-like, tumid, distant, forked; s. short, pruinose; sp. 5 × 3.
  13. D. Resupinate. Pileus cup-shaped at first, fixed by the vertex, then subreflexed.

ARRHENIA, Fr.

  1. * Stem lateral.
  2. [auriscalpium, Fr. Brown. P. thin, convex, glabrous; g. vein-like, few, distant, simple; s. exactly lateral, straight, downy.
  3. Resembling Hyduum auriscalpium in form, but smaller.
  5. ** Pileus sessile.
  6. [tenella, Fr. P. .5-1 cm. effuso-reflexed, thin, soft, blackish, becoming lobed; g. vein-like, simple, with shorter ones, dark.
  7. [cupularis, Fr. P. 2-3 mm. resupinate, soft, orbicular, outside even, downy, grey; g. vein-like, simple, radiating from centre.
  8. Resembles young condition of Pleurotus applicatus.
  9. [fimicola, Bagl. P. resupinate, thin, concavo-patellate, flesh-colour, with a byssoid border; veins very slight, distant.

NYCTALIS, Fr.

  1. A. Speleae. Gills crowded, more or less coalescent. Very doubtful, probably morbid forms of Agarics.
  2. [verpoides, Fr. P. campan. obtuse, glabrous, brown; g. very thick, coalescent; s. equal, rigid, striate, glabrous.
  3. [cryptarum, Secr. Foetid. P. conico-deformed, brown; g. adnexed, undulate, subcoalescent, flocculose, fleshy-grey; s. unequal, flexuose, hoary-fibrillose.
  4. [canaliculata, Pers. P. pallid white, oblique, subumbil. almost glabrous; g. crowded, distinct, almost simple, edge slightly canaliculate; s. solid, subundulate, naked.
  5. caliginosa, W. G. Sm. P. subumb. edge incurved, greyish, white and silky when dry, 1 cm.; g. subdecur. thick, narrow, branched, grey; s. 3-5 cm. often inflated, whitish, silky, hollow, rusty inside; sp. 5 × 3.
  6. B. Parasitae. Gills distinct from each other, distant. Growing on decaying fungi.
  7. [nauseosa, Weinm. Smell nauseous. P. fleshy, globose then hemisph. ochraceous, pulverulent, edge involute; g. distant, forked, pallid; s. fistulose, thick, obliquely sulcate and twisted, pallid.
  8. Larger than N. asterophora.
  9. asterophora, Fr. P. 1-1.5 cm. conical then hemispher. fawn, mealy with large stellate conidia; g. adnate, distant, rather forked, dingy; s. 1-1.5 cm. whitish pruinose then brownish, twisted; sp. 3 × 2.
  10. parasitica, Fr. P. 1-2 cm. conical then exp. irreg. with grey meal formed of large, elliptical, smooth conidia; g. adnate, thick, distant, then forked and anastomosing, dusky; s. 2-6 cm. whitish, floccosely downy; sp. 5 × 3.5.
  11. [microphylla, Corda. P. hemispher. soft, glabrous, naked, white; g. adnate, entire, dingy white; s. glabrous, bluish.
  12. [vopiscus, Fr. P. cup-shaped, reflexed then recurved, pallid; g. thick, radiating from centre; s. short, excentric, curved, flocculose, pallid.

LENTINUS, Fr.

  1. A. Mesopodes. Pileus subentire; stem distinct.
    1. * Pileus squamulose.
    2. tigrinus, Fr. P. 3-7 cm. orbicular, umbil. whitish, with blackish innate scales; g. very narrow, tinged yellow; s. 3-5 cm. slender, squamulose; sp. 7 × 3.5.
    3. Dunalii, Fr. P. umbil. deformed, pallid with spot-like adpressed scales which disappear; g. crowded, pallid; s. 1.5-2 cm. rather silky; sp. ——.
    4. lepideus, Fr. P. 5-7 cm. tough, depr. irreg. pale ochre breaking up into darker spot-like scales; g. sinuato-decur. broad, whitish; s. 2-3 cm. stout, rooting, tomentosely squamulose; sp. 7 × 3. (10-14 × 6 Sacc.)
    5. var. contiguus, Fr. P. thinner, plano-depr. and with the slender stem, even.
    6. [gallicus, Q. P. ivory colour with tawny lilac flecks, then areolate; s. pubescent, white, apex sulcate, then torn into scales, flesh coloured; g. white, decur. in lines; sp. 10-12 long.
    7. [sitaneus, Fr. P. elastic, convex, unequal, grey, fibrillosely scaly; g. deeply decur. base anastomosing; s. firm, curved, fibrillose.
    8. [degener, Kalchb. P. hemispher. exp. ochre with tawny scales; g. very narrow, anastomosing; s. stout, scaly, base blackish.
    9. [contortus, Fr. P. orbicular, umbil. tawny rufescent with darker scales; g. crowded, subdecur.; s. twisted, subsulcate, squamulose.
    10. [Queletii, Schulz. P. at first regular, edge incurved, umber, then depr. edge wavy and split, and becoming pale or almost white, scaly; g. pale ochre, edge torn; s. branched, excentric, colour of p. squamulose; sp. 7-8 × 3.
    11. ** Pileus villose or pulverulent.
    12. leontopodius, Schulz. P. 7-16 cm. tough, irreg. slightly tomentose, disc depr. tan, edge bent down, lobed; g. decur. connected by veins, sides rugose; s. 6-9 cm. stout, woody, pulverulent, tan, base blackish; sp. 12-15 long.
    13. [domesticus, Karst. Very large. P. tough, edge thin, subinfundib. oblique, irregular, cuticle broken up into darker adpressed revolute scales, rusty; g. deeply decur. toothed, narrowed at both ends, very broad, pale tawny rusty then reddish; s. excentric, solid, rusty, squamulose; sp. 3-5 × 2-3.
    14. [hornotinus, Fr. P. deformed, pulverulent, grey; g. crowded, white; s. caespitosely branched, unequal, rather woody.
    15. [pulverulentus, Scop. P. tough, convex, yellow, white-pulverulent; g. toothed, white; s. stout, equal, rigid, with white powder.
    17. [lusitanicus, Kalchb. P. oblique, not compact, depr. sublobed, tomentose, becoming naked, tan; g. decur. crowded, anastomosing, white; s. short, excentric or lateral, solid, even, glabrous, colour of p.; sp. ——.
    18. resinaceus, Fr. P. 2-5 cm. tough, excentric, cinnamon-ochre, villose, matted with resin; g. crowded, shining white; s. 2 cm. partly hollow, downy; sp. ——.
    19. adhaerens, A. and S. P. 2-3 cm. tough, irreg. lacunose, rather pulverulent; g. decur. in lines, very thin, torn, white; s. colour of p. glutinous, rooting; sp. ——.
    20. P. and s. appear as if lacquered from the dried gluten.
    21. *** Pileus glabrous.
    22. [suffrutescens, Fr. P. tough, convex then infundib. glabrous, somewhat rusty; g. crenato-torn, yellowish; s. elongated, somewhat branched, woody.
    23. [auricolor, Brig. Subcaespitose, golden yellow, oblique; g. decur.; s. fibroso-woody, subexcentric, distorted.
    24. [anisatus. P. tough, subflabelliform or obliquely subinfundib. somewhat lobed, whitish; g. decur. tinged yellow, edge entire; s. lateral or excentric, short, pallid; sp. 6-7 × 3.5.
    25. [jugis, Fr. White. P. irreg. lobed, glabrous, rather viscid; g. dentate; s. short, irreg. scaly.
    26. [umbellatus, Fr. P. tough, umbil. pervious, glabrous, yellowish grey; g. very narrow, white; s. branched, sulcate.
    27. cochleatus, Fr. P. 2-5 cm. tough, flaccid, irreg. depr. or infundib. reddish cinnamon; g. crowded, serrate, pinkish white; s. solid, length variable, several frequently more or less grown together, sulcate, glabrous; sp. ——.
    28. Edible. Smell sometimes spicy, at others almost none.
    29. [friabilis, Fr. Caespitose, fleshy-fibrous, fragile, becoming pale. P. thin, subdimidiate, umbilicate, pervious into partly hollow contorted s.; g. crowded, narrow.
    30. [omphalodes, Fr. Solitary. P. thin, tough, at first deeply umbil. livid straw-colour then pale, limb convex then exp. and wavy; g. decur. arcuate, pallid; s. central, thin, tough, glabrous, scrobiculate.
    31. [bisus, Q. P. tough, convex, exp. deeply umbil. irreg. excentric, edge lobed, livid grey, umbil. fuscous; g. sinuato-decur. greyish white, edge toothed; s. brown, longitudinally sulcate, twisted, excentric; sp. glob. 4-5.
    32. [badius, Bres. P. thin, tough, regular, excentric, or subdimidiate, with longitudinal cristate veins, bay then pale; g. very distant, edge deeply and irreg. crenate; s. short, greyish-lilac; sp. 5-6 × 4-4.5.
    33. [Bresadolae, Schulz. (= L. divisus, Schulz.) P. soon irreg. infundib. wavy and sinuate, glabrous, even, pale smoky fuscous; g. distant, spuriously decur.; s. very tough, obconic, subrooting, tinged reddish; sp. 8-10 long.
    34. [hispidosus, Fr. Caespitose. P. thin, subdimidiate, lobed, infundib. hispidly scaly, rusty, edge torn, proliferous; g. serrulate; s. many, growing out of each other.
  2. B. Pleuroti. Dimidiate, sessile or with a sublateral stem.
  3. scoticus, B. and Br. P. 2-5 cm. thin, umbil. or infundib. smooth, pallid or brownish, hygr.; g. decur. when stem is present, pallid, strongly toothed; s. excentric or lateral, variable, darker than p. springing from a branched brown mycelium; sp. 5-6 × 4.
  4. fimbriatus, Currey. P. 1-2 cm. thin, depr. behind, pale fawn with darker scales, margin hairy; g. narrow, tinged brown; s. .5 cm. thin, whitish; sp. ——.
  5. [ursinus, Fr. P. sessile, imbricated, ear-shaped, ascending, even, rufous brown, brownish tomentose behind with age, edge entire, glabrous; g. broad, torn, whitish.
  6. [castoreus, Fr. P. subsessile, imbricate, pilei tongue-shaped, glabrous, subrugose, rufous then tan, edge involute, entire; g. closely crowded, rufescent.
  7. vulpinus, Fr. P. 3-5 cm. tough, shell-shaped, imbricate, connate behind, longitudinally corrugated with ribs, floccoso-scrupose, tan, edge incurved, entire; g. broad, torn, white; sp. glob. 2.
  8. [auricula, Fr. White, caespitosely imbricated, p. dimidiate, sessile, ascending, glabrous, at length revolute; g. linear, densely crenulate; sp. glob. 3.
  9. Habit of Pleur. porrigens.
  10. [suavissimis, Fr. Smell very pleasant. Subsessile, white, thin, peltate, even, glabrous; g. dentate, decurrent from base, anastomosing.
  11. flabelliformis, Fr. P. 3-5 cm. subsessile, thin, tough, reniform, glabrous, fawn-colour, edge crenato-fimbriate; g. broad, torn, pallid.
  12. [tomentellus, Karst. Subsessile, imbricately tufted, coriaceous, p. horizontal, tongue-shaped or obovoid, tomentose, whitish then tinged rufescent, yellowish when dry, edge wavy, incurved; g. much crowded, narrow, whitish, tinged red when dry, edge toothed.
  13. [hygrophanus, Harz. P. conchate, woolly, digitately lobed, white then yellowish ochre, glabrous, hygr. fragile, fixed by a narrow lateral point; g. densely and acutely dentato-serrate; sp. glob. 3-3.5.

PANUS, Fr.