[*] Pileus colored or becoming pale, the surface (at least under a lens) innately flocculose or silky, bibulous, not moist.
[**] Pileus colored or pallid, smooth, moist in rainy weather.
[***] Pileus shining whitish, with scattered superficial flocci or becoming smooth.
B. Pileus Fleshy-Membranaceous.
Flesh thin, soft, watery, hygrophanous.
Cyathiformes (cup-shaped). Page [104].
Flesh of pileus thin, consisting of two separable plates, disk not compact, hygrophanous, depressed then cup-shaped; gills at first adnate then decurrent, descending, straight. Color dingy when moist.
Orbiformes (round-shaped). Page [109].
Pileus somewhat fleshy, hygrophanous, convex then flattened or depressed, polished, not squamulose nor mealy; gills plane, horizontal, thin, crowded, adnate or decurrent with a small tooth. Color dingy or becoming watery pale.
[*] Gills becoming ash-colored. Pileus at first dark.