107 



to the character of the spores or the presence or absence of 

 cystidia: — Pileus up to \\ inch in diameter, conico- 

 campanulate with the edge turned in, gradually expanding 

 to convex with a large obtuse umbo, then nearly plane on 

 top with an umbo and convex edge, fibrously streaked, cap 

 sometimes splitting when old or the fibres separating and 

 curling up, light brownish-tan. Gills deeply sinuately 

 adnexed, nearly reaching the stem and then ascending so as 

 to be nearly free. Stem 2 inches high, moderately stout, 

 solid, whitish, somewhat mealy. Spores irregular and 

 knobby, 7 to 9 x 4'4 to 5*2 fi. Cystidia ventricose or clavate, 

 apices rough, 52 x 10'4, 42 x 14 p. 



On the ground, Milson Island, Hawkesbury River, 

 November, 1914 (Herb., J. B. C, Form. Sp., 22), and May, 

 1915. 



31. Inocybe albidipes, n. sp. (pi. x., fig. 3). — Pileus up 

 to 1 inch in diameter, when young acutely umbonate, later 

 gibbous and nearly plane, light to yellowish-brown, apex 

 darker, silky fibrous or radiately fibrillosely rimose or striate 

 and cracking. Gills moderately close, adnate to adnexed or 

 nearly free, dingy greyish-brown becoming dark cinnamon, 

 edge not white. Stem up to 1| inch high, rather stout, 

 slightly fibrillose, base swollen or with a marginate bulb, 

 solid, white, or occasionally with a slight yellowish tint. 

 Spores knobby, 7 to 8'5 x 5 jul, 7 jut. Cystidia ventricose with 

 rough apices, 42 to 60 x 14 to 20 /m. 



Neutral Bay, May, 1915 (Herb., J. B. C, Form. Sp., 

 109) and 1916; North Sydney, April, 1915 and 1918; Chats- 

 wood, May, 1916 (Miss Clarke, Watercolour No. 97); 

 Mosman, June, 1915, and December, 1916 (Herb., J. B. C, 

 Form. Sp., 262); Lane Cove River, May, 1916 — all in the 

 Sydney district. 



Colour tints noted: — Pileus dark fawn, No. 307, Ton 1 

 or paler, apex darker and browner than Ton 4. 



Pileus ad 2'5 cm. latus, acute umbonatus, deinde gibbosus 

 et subplanus, fusco-cervinus, apice fuscus, sericeo- 

 fibrosus aut fibrilloso-rimosus. Lamellae subconfertae, 

 adnatae aut adnexae, cinereo-albidae, deinde pallido- 

 fuscae, denique fusco-cinnamoneae. Stipes ad 3*75 cm. 

 altus, subfibrillosus, ad basem bulbosus, solidus, albus 

 aut stramineo-albidus. Sporae verrucosae, 7 to 8'5 x 5 jut, 

 7 fx. Cystidia ventricosa, apicibus aspris, 42-60 x 

 14-20 fx. 



Spores smooth. Cystidia present. 



32. Inocybe obscura, Pers. : Syn., p. 347; Cooke: 

 Illustrs., pi. 427; Massee: Brit. Fung. Flora, ii., p. 190. — 



