Of the three collections in Kew, one belongs to Henzicybe Karsten (COLENSO b 534), while the two remaining collections (COLENSO b 329, b 975) are conspecific with Hohenbuehelia nothofaginea Stevenson.

Pileus at first resupinate, sessile, soon distinctly reflexed and becoming horizontal, obovate or reniform, downy, rarely almost glabrous, rugulose when dry, due to contraction of the cuticle, usually blackish-blue, rarely brownish; 2.5-5 cm long, up to 2.5 cm broad; flesh soft, upper stratum (pellicle) slightly gelatinous, up to 4mm thick, blackish-brown; lower layer (or flesh proper) thin and whitish; gills at first radiating from a point inside the margin, then converging towards the base, broad, whitish, at length tinged with yellow; spores 7-8 x 5 µ.

Dannevirke, New Zealand. Australia, Central Africa, Europe, United States.

On rotten trunks.

Sessile, gregarious, somewhat imbricated. Smell pleasant. Distinguished by the dusky colour of the pileus and by the dark-coloured gelatinous cortical layer.