CONSPECTUS.

μ. Russula, gills of equal length.
43. MERULIUS, veined, slightly swollen (superficial) gills.
α. Cantharellus: manifest pileus, stipitate, or dimidiate and stemless.
β. Serpula, resupinate lying flat, effused, veined and reticulated on the upper side.
γ. Gomphus, club-shaped.

†† BOLETOIDEI bolete-like. Hymenium prominent in various tubes.

44. Daedalea: corky pileus, reticulated underneath with oblong, sub-poriform sinuses.
45. BOLETUS: manifest pileus, tubes cylindrical and entire.
β. Fistulina, free tubes.
γ. Polyporus, branched-lobed, porous on all sides.
δ. Poria, effused, resupinate, porous on the upper side. (Tubular-porous skin. Wibel.)

††† HYDNOIDEI hydnum-like. Hymenium prominent in spines or teeth.

46. SISTOTREMA, hymenium initially porous, finally lacerated into compressed teeth.
β. Xylodon, effused, resupinate.
47. Hydnum, entire, cylindrical spines (manifest pileus).
β. Odontia: effused, resupinate.
γ. Hericium, elongated, branched.

†††† GYMNODERMATA naked-skinned. Hymenium smooth or papillose.

48. THELEPHORA, dilated, leathery, uniform pileus.