Clitocybe hydrogramma (Bull. ex Fr.) Kummer syn. Omphalia hydrogramma (Bull. ex Fr.) Qu谷l. Ranziger Trichterling. Cap 2每5cm across, convex to depressed at first becoming funnel-shaped, hygrophanous, drying almost white. Stem 50每80 x 3每6mm, cartilaginous, concolorous with cap or paler, base downy. Flesh whitish, stem hollow. Smell strong, unpleasant. Gills deeply decurrent, rather widely spaced, pallid. Spore print white. Spores elliptic, 5每6.5 x 3每3.5米. Surface of cap showing conspicuous inflated hyphal segments varying in shape from globose to fusoid up to 20米 wide. Habitat deciduous woods. Season autumn. Occasional. Edibility unknown -avoid. Distribution, America and Europe.