TASMANIA: caespitose, on deep seed boxes, made from Pinus sp., the timber of which had been steam sterilized, Hobart, E.G. Wingrave, May and August 1953 [Herb. F.P.S.M. No. 3818].

Pileus 4-5 cm. or more in diameter, dark olive brown to nearly black when fresh, smooth above, plane, but margin occasionally inrolled. Stipe up to 6 cm. in length, hollow, glabrous, concolorous with cap. Flesh very thin, silky, fibrous, ochraceous, drying yellowish, homogeneous with that of stipe. Gills adnate, interlaminated, 0-5 cm. wide, olive-tinted cinnamon, dusky. Pleurocystidia present, 25-32 x 11-12 µ, clavate, with brown contents. Spores brown under the microscope, elliptical, monoguttulate, with well defined apical germ-pores, 6 -7.5 x 3.5-4 µ (7-8 x 4-4.5 µ in the type collection).

This fungus which is a problem to nurserymen in Tasmania, was hitherto known only from New Zealand.