K. Natarajan

SOUTH INDIAN AGARICALES V: TERMITOMYCES HEIMII!

Pileus ad 10 cm diam, convexus ad plano-convexus. Juvenilis specimen cum prominens umbo, amutiens. Superficies glaber. Pileus margo incurvatus, albus cum umbo regio griseus (8 Fl) ubi juveniles, brunneolus griseus (8 F2) ubi maturus. Lamellae discretae, albae, erubescentes ad 8 mm latae, marginis serratus, lamellulis praesens. Stipes ad 19 cm longus et 1.5 cm latus, albus, glaber, cylindricus, solidus, cum annulus. Pseudorhiza praesens ad 16 cm subter terra planus. Superficies pilialis epientis ex hyphis repentibus radiantibus, que ad 5.0 ILm latus. Contextus carnosus albus, ex hyphis ad 18.0 um latis, tenuiter tunicatis et intertextis. Trama hymenophorales regulares, ex hyphis tenuiter tunicatis, parallelis ad 12.0 Aim latis. Basidia clavata, 19.5-21.0 X 5.5-7.0 gm, cum 2-4 sterigmata. Pleurocystidia raro, clavata, ad 46 X 18 ,um. Sporae 7.0-8.4 X 4.2-5.6 /im, ellipsoideae, laeves, nonamyloideae. Fibulae hypharum non visae. In obrutis nidis Termitum, Madras University campus, 8-10-1977, leg. K. Natarajan, Herb. MUBL No. 2367 (TYPE).

South Indian Agaricales IV. A New Species of Psathyrella

Berkeley, M. J., and C. E. Broome. 1883. List of fungi from Brisbane, Queensland. Trans. Linn. Soc. London, Bot. 2: 53-75. Cunningham, G. H. pref. 1942. The Gasteromycetes of Australia and New Zealand. Printed privately by J. Mclndoe, Dunedin, New Zealand. xv + 236 p. Kobayasi, Y. 1938. Hymenogastrineae et Phallineae. (Nova flora Japonica, no. 2). Sanseido Co., Tokyo. 90 p. Reid, D. A. 1977. Some Gasteromycetes from Trinidad and Tobago. Kew Bull. 31: 657-690.