OTHER SPECIMENS EXAMINED: NORTH ISLAND: GISBORNE: Urewera National Park, Huiarau Range, M. Castellano, 25 May 1995, PDD 65082. TAUPO: Turangi, Kiko Track at end of Kiko Rd, M.Castellano s.n [Trappe 15596], 29 May 1995, OSC; Rangipo, Kaimanawa Forest Park, Clements Mill Rd, M. Castellano, 29 May 1995, PDD 65100. SOUTH ISLAND: BULLER: Murchison, Matakitaki Scenic Reserve, R. E. Beever, 29 Mar 1996, PDD 65744; Murchison, Matakitaki Scenic Reserve, R. E. Beever, 29 Mar 1996, PDD 65751; Murchison, Matakitaki Scenic Reserve, S. R. Pennycook, 15 May 1999, PDD 70835. NELSON: near Murchison, Owen River, Owen Valley West Rd, R. E. Beever 1283, 25 Sep 1992, PDD 60578.

Basidiomata 10-28 x 8-30 mm, globose to subglobose or irregular with an indented base. Peridial surface dry, smooth or finely felty, white in youth, becoming off-white with some brown bruising. Context thin, gleba exposed in places. Gleba off-white to pale orange in youth, becoming orange or dark orangish brown with age, loculate, chambers small, crowded, giving a firm texture. Stipe absent. Columella absent. Odour and taste faint, pleasant. Latex absent. Peridiopellis 10-35 µm wide, a turf of hyphal tips 2-4 µm diam., and cystidia 10-25 µm x 2-4 µm, fusoid or ventricose with obtuse or mucronate apices, which may be repent in older specimens giving the appearance of a compacted cutis. Peridial context 35-86 µm wide, of interwoven, hyaline hyphae 2-4 µm diam., and scattered, sinuous hyphae 3-6 µm diam., refractive in KOH; sphaerocysts absent. Endocystidia and laticiferous hyphae absent. Hymenophoral trama 35-55 µm wide, of filamentous, interwoven, slightly gelatinised hyphae 3-4 µm diam., sphaerocysts and laticiferous hyphae absent. Subhymenium 10-16 µm wide, not well developed, of hyphae and some irregular cells 5-11 µm diam. Basidia 26-40 x 9-12 µm, clavate to cylindrical, hyaline, thin-walled, with 2 robust sterigmata 4-9 x 2-4 µm. Cystidia 20-30 x 5-8 µm, cylindrical, clavate or rostrate with acute or obtuse apices and oily contents, yellow in KOH, rare, scattered in hymenophoral trama, extending into hymenium. Spores 8-11 µm x 8-11 µm (9.59 ± 0.69 x 9.36 ± 0.62), Q = 1.02-1.06, globose, orthotropic, symmetrical. Ornamentation incompletely amyloid, of spines connected by irregular ridges, ± 2-4 high x 1.5-2 µm wide, in a complete, fairly evenly distributed reticulum, givinga crested or flanged appearance to the spore; ridgesamyloid along edges and partially along faces. Hilarappendix obscure, ± 2-3 µm long, central,symmetric; plage absent. Spores pale brown to rustycoloured in mass.

HABITAT AND DISTRIBUTION: Hypogeous to emergent, solitary or in small groups under leaf litter in Nothofagus menziesii and N. fusca forests. Fruiting period Mar-Sep

Gasterocarpus 10-28 x 8-30 mm, globosus vel subglobosus vel irregularis. Peridium albidum deine eburneum ad brunneum contusum. Gleba initio eburnea vel pallida aurantiaca dein aurantiaca velfusco aurantia-brunnea, loculata. Stipes nullus; columella nulla. Peridiopellis ex hyphis erectis vel repentis 2-4 µm latis et cystidiis 10-25 µm x 2-4 µm, interdum repentis ubi veteribus aspectu cutecompacto. Basidia 26-40 x 9-12 µm, 2 sporigera. Cystidia 20-30 x 5-8 µm, rara. Sporae 8-11 µm x 8-11 µm, globosae, spinis connexis per cristis irregulariter ± 2-4 altis x 1.5-2 µm, amyloidibus incompletis reticulo perfecte aequaliter distributo, edens sporae aspectu alatis.

HOLOTYPUS (hic designatus): New Zealand, North Island, Gisborne, Urewera National Park, Huiarau Range, M. Castellano s.n. [Trappe 15532], 25 May 1995, PDD 65083.