New Zealand: South Island: West Coast, Ahaura, Nelson Creek near Kopara, 29.111.1968, leg. Horak (PDD 27148, holotype; ZT 68/222. isotype). Fjordland, Lake Manapouri, Shallow Bay, 6.1V. 1969, leg. Horak (ZT 69/230).

Pileus -30 mm, hemispheric when young becoming convex or plane with subdepressed centre, margin incurved; olive-brown; conspicuously velutinous, pruinose or hoary, often with a silvery, metallic sheen, dry, covered with transparent guttation drops in young specimens, margin not striate, centre distinctly wrinkled to venose in mature carpophores, veil remnants absent. Lamellae crowded, densely intermixed, adnate to adnexed, becoming emarginate in fully expanded specimens; olive-grey or olive-brown when young turning brown to fuscous, edge albofimbriate. Stipe -25 x -2 mm, cylindric, equal, central or eccentric; concolorous with pileus, entirely pruinose, dry, veil remnants none, apical portion with guttation drops in fresh specimens, fistulose; single or cespitose, in groups. Context olive-brown. Odour and taste acidulous to spermatic-farinaceous. Chemical reactions on pileus:KOH - red-brown. Spore print brown. Spores 6-6.5 x 4-5 µm, ovate to subphaseoliform, sometimes pip-shaped, membrane smooth, brown, thin-walled, germ pore none. Basidia 20-30 x 6-7 µm, 4-spored. Cheilocystidia 40-80 x 3-6 µm, cylindric, apex conic or subclavate, membrane thin-walled in upper portion only, up to 1 µm diam. towards basal septum, hyaline to pale brown. Pleurocystidia absent. Caulocystidia like cheilocystidia. Cuticle a palisade of cylindric cells gradually tapering towards apex (25-70 x 2-6 µm), basal cells globose or ovoid, membrane not gelatinised, with brown (KOH) membranous or/and encrusting pigment. Clamp connections numerous.

o n rotten wood and bark of Nothofagus (N. solandri (Hook.f.) Oerst. var. clifforlioides (Hook.f.) Poole). New Zealand,

Pileus -30 mm, convexus dein depresso-planus, olivaceo-brunneus, conspicue albovelutinus, saepe rugosus. Lamellae adnato-emarginatae, sordide olivaceo-bninneae dein tabacinae. Stipes -25 x -2 mm, cylindricus, interdum excentricus, pervelutinus, pileo concolor. Caro subfarinacea. Sporae 6-6.5 x 4-5 µm, ovatae vel subphaseoliformes, brunneolae. Ad lignum putridum Nothofagi. Novazelandia.

Typus PDD 27148.