Typus PDD 27143.

New Zealand: North Island. Coromandel Peninsula. Kauaeranga Valley; 8. VII. 1968. leg. Horak (PDD 27143. holotype; ZT 68/648, isotype). South Island S of Lake Hochstettero. 29.111.1968. leg. Horak (ZT 68/221).

Pileus up to 15 mm diam., circular when young soon becoming dimidiate, conchate, or reniform, margin incurved; whitish, grey, or pale grey-brown, not hygrophanous, margin not striate; radially fibrillose to woolly, dry, membranous, tough, veil remnants absent. Lamellae adnexed to broadly adnate, ventricose, crowded; grey to argillaceous, with distinct pink tint. edge concolorous, even. Stipe 3-8 X up to 1 mm, cylindric, equal, curved, eccentric or lateral; concolorous with pileus, densely covered with white longitudinal fibrils, white rhizoids at base (connecting the carpophores to the substrate); dry, solid, single in groups. Context grey. Odour and taste farinaceous or like cucumber. Spores 5-7 x 4-5 µm, ovoid, rugulose, rarely distinctly subangular, grey-pink (KOH), thin-walled. Basidia 24-30 X 5-7 µm, 4-spored. Pseudocystidia 45-70 x 4-7 µm, lanceolate or fusoid, membrane thin-walled, with yellow-brown, granular content. Cuticle a cutis of repent, cylindric hyphae (2 - 6 µm diam.), encrusted with grey-brown pigment. Clamp connections present, but scattered.

On rotten trunk of Cyathea dealbata (Forst. f.) Swartz or Nothofagus sp. New Zealand.

Pileo -15 mm. dimidiato vel conchiformi, convexo vel subdepresso, albidulo dein griseo vel pallide griseo-brunneo, tomentoso. Lamellis adnato-adnexis. griseo-argillaceis roseo tinctis. Stipite -8 x -1 mm. Cylindrico. Laterals, curvato. pileo concolori. Odore ingrato. Sporis 5-7 x 4-5 µm. ovatis, rugulosis. Pseudocystidiis -70 x -7 µm, lanceolato-fusoideis. Hyphis fibulatis. Ad truncos putridos, Novazelandia.