132 Transactions British Mycological Society. 



Fig. 



6. Lysurus anstraliensis. Copy of Brittlebank's figure in 



Lloyd (loc. cit.). Note the continuation of the glebi- 

 ferous layer from arm to arm, and the constriction of 

 the stalk (represented by the double line) below the 

 head. 



7. Lysurus anstraliensis. The lateral surface of an arm. 



' ^ 4- 



8. Lysurus anstraliensis. Cross section of an arm. x 4. 



NEW BRITISH FUNGI. 



By E. M. Wakefield, F.L.S. 



Hypochnus umhrinus (Fr.) Quel., Flore Myc. 1888, j). 2. 



Thelephora umhrina Fr,, Elench. Fung, i, 1823, p. 199; non 

 T. umbrina A. & 'S., Consp. Fung. 1805, p. 281 ; Corticium 

 nmhrinum Fr., Hym. Eur. 1874, p. 658; Thelephora biennis 

 Fr., Hym. Eur. p. 636, non Syst. Myc. i, p. 449; Hypochnus 

 tristis Karst. in Soc. pro Faun, et Flor. Fenn. Med. ix, 1883, 

 p. 71 ; Hypochnopsis fuscata Karst., Finl. Basidsv. 1889, 

 p. 443 ; Hypochnus fuscatus Karst. in Sacc. Syll. ix, p. 244 ; 

 Tomentella tristis von Hoehn. & Litsch. in K. Akad. Wiss. 

 Wien, Sitzungsber. cxv, 1906, p. 1572 ; Hypochnus sitnensis 

 Bres. in I. R. Accad. Agiati Atti, iii, 3, 1897, p. 115. 



Effused, thick, soft, separable. Hymenium compact, mem- 

 branaceous, brown with more or less of a vinaceous tint (varying 

 from drab or deep brownish drab to dusky drab or Chaetura 

 drab of Ridgway). Subiculum villose, warm sepia in colour. 

 Hyphae brown, thick-walled, frequently septate, without 

 clamp-connections, 4-5 /x in diameter. Basidia clavate, brownish, 

 with four sterigmata. Spores dark brown, globose or sub- 

 globose, coarsely warted, 7-8 /z in diameter or 6-8/i x 6-7 /a. 



Hah. On rotten wood, Escrick, Yorks. Coll. Miss A. Lorrain 

 Smith, Sept. 1918 ; on fallen twigs, leaves, etc., Weybridge, 

 E.M.W. and A. A. P., Nov. 1918. 



Readily distinguished by the dark, compact hymenium, 

 the rather rigid hyphae without clamp-connections, and the 



