Sub-Genus CLITOCYBE.

Stem elastic, stuffed, outer coat compact, fibrous; gills attenuated behind, adnate or decurrent; pileus for the most part planodepressed or infundibuliform. Somewhat fleshy fungi growing on the ground.

Sub-Genus COLLYBIA.

Stem fistulose or pithy, outer coat cartilaginous; gills free or bluntly adnexed; pileus sub-carnose, plano-convex or depressed; margin at first involute. More or less epixylous.

Sub-Genus MYCENA.

Stem fistulose; pileus sub-membranaceous, campanulate; margin never involute; gills not decurrent, except by a tooth. Graceful. Terrestrial or epixylous.

Sub-Genus OMPHALIA.

Stem cartilaginous; pileus sub-membranaceous; gills truly decurrent.

Excentric, lateral, or sessile.

Sub-Genus PLEUROTUS.

Stem excentric, lateral, or none. Mostly growing upon wood.

Stem fleshy or fibrous; gills bluntly rounded behind. Somewhat fleshy fungi generally growing on the ground.

Sub-Genus CLITOPILUS.

Stem fleshy or fibrous; gills attenuated behind; sub-decurrent; pileus more or less depressed.

Sub-Genus LEPTONIA.

Stem cartilaginous, shining; gills adnexed, at length retreating; pileus thin; margin at first incurved.

Sub-Genus NOLANEA.

Stem fistulose; pileus sub-membranaceous, campanulate.
Graceful fungi growing on the ground.

Sub-Genus ECCILIA.

Stem cartilaginous; gills truly decurrent.

SERIES III. Dermini.

Spores ferruginous, rarely tawney or brownish.

Stem central; veil woven.

Sub-Genus PHOLIOTA.

Veil forming a persistent ring.

Stem central; veil not woven, nor forming a ring.

Sub-Genus HEBELOMA.

Stem fleshy; gills bluntly rounded behind; spores brownish; veil fibrillose or obsolete.

Sub-Genus FLAMMULA.

Stem fleshy-fibrous; gills adnate or decurrent. Chiefly cæspitose fungi growing on wood.

Sub-Genus NAUCORIA.

Stem cartilaginous; pileus convexo-plane; margin at first inflexed.

Sub-Genus GALERA.

Stem sub-cartilaginous, fistulose; pileus oval or expanded, sub-membranaceous; margin never inflexed. Graceful, fragile

fungi.

Excentric or lateral.

Sub-Genus CREPIDOTUS.

Pileus excentric, or lateral, or resupinate. Chiefly growing on

wood.

SERIES IV. Pratellæ.

Spores purple-black or brown.

Sub-Genus PSALLIOTA.

Veil forming a persistent ring.

Sub-Genus HYPHOLOMA.

Veil woven, adhering to the margin of the pileus; stem fleshy or fibrous; pileus somewhat fleshy; margin incurved. Cæspitose fungi chiefly growing on wood.

Sub-Genus PSILOCYBE.

Veil inconspicuous; stem sub-cartilaginous, firm, and tough; gills becoming brown or purplish; pileus somewhat fleshy, smooth; margin at first incurved.

Sub-Genus PSATHYRA.

Stem fistulose, shining, fragile; pileus conical or campanulate.
Graceful fungi, fragile and hygrophanous.

SERIES V. Coprinarii.
Spores black.

Sub-Genus PANEOLUS.

Stem smooth, rather firm; gills ascending, dappled grey and black, becoming moist, at first projecting beyond the margin; slightly fleshy fungi, usually growing in dungy places.

Sub-Genus PSATHYRELLA.

Pileus membranaceous, striated; gills smoky, not dappled, nor projecting beyond the margin.

Synopsis of COPRINUS.

TRIBE I. PELLICULOSI.

TRIBE II.

Gills attached to a pellicle, causing the pileus to be torn irregularly in deliquescence.

VELIFORMES.

Pileus extremely thin, splitting in the direction of the gills in deliquescence.

Synopsis of CORTINARIUS.

Sub-Genus PHLEGMACIUM.

Veil fibrillose, dry; stem firm, dry; pileus evenly fleshy.

Sub-Genus MYXACIUM.

Volva glutinous, whence the stem is viscid; scarcely bulbous; pileus fleshy, rather thin; gills adnate decurrent.

Sub-Genus INOLOMA.

Veil simple; pileus evenly fleshy, dry; stem fleshy, sub-bulbous.

Sub-Genus DERMOCYBE.

Veil simple; pileus thinly but evenly fleshy, at first silky, then bare, dry; stem equal or attenuated, outer coat harder.

Sub-Genus TELAMONIA.

Pileus hygrophanous, becoming thin abruptly; volva from beneath investing the stem with a ring or squamose sheath; stem from above sub-cortinated.

Sub-Genus HYGROCYBE.

Pileus smooth, thin, hygrophanous; web of the veil properly adhering to the margin; stem altogether smooth, sub-cartilagi

nous.

Synopsis of HYGROPHORUS.

Sub-Genus LIMACIUM.

Volva viscid; pileus fleshy, viscid; stem scaly; gills adnatodecurrent.

Sub-Genus CAMAROPHYLLUS.

Veil none; stem smooth; pileus moist, not viscid; gills vaulted, distant.

Sub-Genus HYGROCYBE.

Veil none; whole plant somewhat thin, succulent; chiefly brightly coloured fungi, growing in open grassy places.

Synopsis of LACTARIUS.

TRIBE I. PIPERITES.

Milk from the first white, acrid; gills neither changing colour nor whitely pruinose.

TRIBE II. DAPETES.

Milk from the first highly coloured.

TRIBE III. RUSSULARES.

Gills at length whitely pruinose.

TRIBE IV. LATERIPEDES

Excentric.

Synopsis of RUSSULA.

TRIBE I. COMPACTÆ.

Pileus fleshy; margin smooth; stem solid; gills unequal.

TRIBE II. FIRME.

Pileus firmly fleshy, viscid when moist, abruptly thin towards the margin, which is obsoletely striate.

TRIBE III. RIGIDE.

Pileus dry; cuticle often granulose; gills not numerous.

TRIBE IV. FRAGILES.

Pileus covered with a pellicle, which, when moist, is viscid and sub-separable; margin commonly furrowed and tuberculated.

Synopsis of MARASMIUS.

Sub-Genus COLLYBIA.

Pileus sub-carnose, tough, at length sub-coriaceous, corrugated; margin at first involute; stem floccose at the base.

Sub-Genus ROTULA.

Stem filiform; pileus nearly plain or umbilicated. Small fungi chiefly growing on leaves.

Synopsis of POLYPOREI. Fries Ep.

Genus 18. BOLETUS, L. 60 Species. Fries Ep.

Pileus fleshy, furnished with a central stem; fructifying surface consisting of tubes easily separable from the pileus, and amongst themselves. Terrestrial.

Genus 19. POLYPORUS, Micheli. 280 Species. Fries Ep.

Pores sub-rotund, at first obsolete or very small; dissepiments more or less distinct from the pileus in substance or in colour.

Genus 20. TRAMETES, Fries. 20 Species. Fries Ep.

Pileus corky or woody; substance forming sub-rotund, not sinuous, pores. Arboreal or epixylous.

Genus 21. DEDALIA, Persoon. 16 Species. Fries Ep.

Pileus corky; substance forming elongated sinuous pores.
Arboreal or epixylous.