Acacia dealbata Link Auckland. Te Hana, 100 feet, April, 1947, J.D.Atkinson; Oratia, Aug. 1948, D.W.McKenzie. Albizzia lophantha Benth. Auckland. Tauranga, April, 1947, H.Mouat. Beilschmiedia tarairi (A.Cunn.) Benth. & Hook.f. Auckland. Awhitu Peninsula, 150 feet, Apr. 1946, G.H.C.; hattcarci, Whangarei, Western Hills, May 1948, J.M.Dingley. Puketi Forest, Bay of Islands,June 1948, J.M.Dingley. Beilschmiedia tawa (A.Cunn.) Hook.f. & Benth. Auckland. Upper Wairoa Valley, Hunua Range, Sept. 1946, J.M.Dingley; Moumoukai Valley, Hunua Range, June 1949, J.M.Dingley; Mt. Te Aroha, 600 feet, Nov. 1946, G.H.C.; Mamaku Forest, May 1947, G.B.Rawlings Betula alba L. Hawke's Bay. Hastings, July 1948, J.D.Atkinson. Crataegus oxyacantha L. Auckland: Purewa Bush, June 1949, D.W.McKenzie. Cupressus macrocarpa Hartn. Auckland. Mt. Alhert. April 1949, D.W.McKenzie. Dacrydium cupressinum Sol. Auckland. Upper Piha, Waitakeres, June 1947, J.M.Dingley; Henderson, 400 feet, April 1948, J.M.Dingley: Swanson, 200 feet, May 1948, J.M.Dingley; Mamaku Forest, 2,000 feet, Nov. 1947, G.H.C.; Omahutu Forest, July 1948, J.M.Dingley. Taranaki: Mt. Egmont, 2,300 feet, Dec. 1947, G.H.C. Wellington: Weraroa, July 1919, G.H.C. (Identified by C.G.Lloyd as Irpex consors); May 1923, J.C.Neill-G.H.C. Dysoxylum spectabile (Forst.f.) Hook.f. Auckland. Little Barrier Island, Nov. 1947, J.M.Dingley; Moumoukai Valley, Hunua Range, July 1946, J.M.Dingley. Nothopanax arboreum(Forst.f.) Seem. Auckland. Mountain Road, Henderson, May 1948, J.M.Dingley. Pinus radiata Don Wellington, Weraroa, June 1919, G.H.C. Pseudopanax crassifolium (Sol.) Koch Auckland. Titirangi, Waitakeres, 1,000 feet, June 1949, J.M.Dingley. Salix fragilis L. Auckland. Whangarei, May 1948, J.M.Dingley; Purewa, Sept. 1948, D.W.McKenzie; Tauranga, July 1948, M.Hodgkins. Suttonia salicina Hook.f. Auckland. Wood's Bay, July 1948, J.M.Dingley. Unknown hosts. Auckland. Near Muriwai Beach, May, 1946, G.H.C.; Whakarewarewa, May 1947, G.B.Rawlings; Swanson, Waitakeres, Aug. 1947, Margaret Ambler; Whitianga-Coromandel Road, 200 feet, Nov. 1947, Mrs. E.E.Chamberlain; Russell, 700 feet, June 1948, J.M.Dingley; Mt. Albert, Nov. 1948, D.W.McKenzie; Lake Waikaremoana, March 1949, Margaret Ambler; Whangarei, May 1949, J.M.Dingley. Wellington. Wadestown, Aug. 1881, T.Kirk (Identified by M.C.Cooke as Irpex brevis); Ohau River, Tararuas, 500 feet, Nov. 1932, E.E.Chamberlain; Tiriteaa, Tararuas, 1,000 feet, Nov. 1932, E.E.Chamberlain; Tokomaru River, Tararuas, 500 feet, Jan. 1933, E.E.Chamberlain.

Hymenophore annual, caespitose, often imbricate, coriaceous. Pileus flabelliform, applanate, effused-reflexed and dimidiate, sometimes spathulate, occasionally urceolate, frequently resupinate, 7-30 mm. x 8-15 mm., x 1-2 mm.; surface wood colour, or ochraceous, with or without concentric zones of darker colour, sometimes sulcate, commonly radiate-striate, glabrouss, often polished, without a cuticle; margin acute, entire or lacerate, plane or inturned; hymenial surface wood colour or pallid ochre, fertile to the edge, concolorous. Context cream to ochre, to 1 mm. thick, compact, of parallel hyphae radiately arranged; skeletal hyphae to 6 µ thick, lumen 1 µ, or almost obliterated, aseptate, unbranched, contents staining; generative hyphae 2.5-3 µ thick, wall 0.5 µ, branched, septate, staining blue, with clamp connections. Hymenium alveolar peripherally, elsewhere with flattened teeth irregular in length and shape, 0.5-2 mm. long, apices bluntly pointed. Basidial type clavate, basidia clavate, 12-16 x 4-6 µ. Cystidia abundant or sparse, but always present, clavate or fusiform, to 40 x 8 µ, naked or crystal encrusted, staining; often encrusted setae are present in the context and occasionally rounded apices of skeletal hyphae project beyond the basidia. Spores elliptical, sometimes slightly allantoid, 4-4.5 x 1.5-2 µ, smooth, hyaline.

DISTRIBUTION: Australia; New Zealand.

HABITAT: Imbricate, sometimes resupinate, upon bark or decorticated fallen branches or upright stumps.

TYPE LOCALITY: Bay of Islands, New Zealand.