= a 

FUNGI NEW TO BRITAIN. 
By Annie Lorrain Smith, f.L.S. and Carleton Rea, 
PCB Ae. 
WITH PLATES X. XI. XII. & XIIL. 
Sordaria (Philocopra) pusilla Mout. in Bull. Soc. Bot. R., 
Belg. 1886, p. 140. 
Perithecia small, immersed, glabrous, thinly membranaccous, 
pale greenish ; asci cylindrical or oblong, shortly stalked, 80-90 
x 20-24, polyspored ; spores ovate-subglobase, honey-coloured, 
then fuliginous, about 3°5» in diameter. 
On rabbit dung, in Ecclesall Wood, Shefheld, Spring 1903, 
Thos. Gibb, Naturalist, May, 1905, p. 139. 
Herpotrichia nigra Hartig. Hedwigia xxvii. (1888) p. 13. 
Mycelium blackish-brown, broadly creeping, furnished with 
haustoria, occupying and destroying the leaves; perithecia 
globose, black, *3 mm. in diameter, furnished with a long deflexed 
hair at the base; asci elongate, 70-100 x I12#; spores in two 
rows, I—rarely 3-septate, constricted in the middle, 4-guttulate. 
On leaves of conifers. Found on seedlings of Scots fir in 
Yorkshire, by W. A. Thwaites, of Masham. 
Physalospora gregaria Sacc. Syl. Fung. I. p. 435. Fung. 
tal et aoe: 
Perithecia densely gregarious, covered by the epidermis, 
globose, shortly papillate, black, white within; asci clavate, 
rotund, with a thick wall, shortly stalked, 8-spored; spores 
distichous, ovoid-oblong, 30-40 x 6-8p. 
On branches of Prunus, Salix, Alnus, and Cornus. 
On Salix in Connemara, causing disease of the sets, by T. 
Johnson, Sci. Proc. R. Dublin Soc. X (1905) p. 153 with plate. 
Letradia salicicola nomine nudum, with plate (Sphaeropsideae). 
Found by T. Johnson. A stage of Physalospora gregaria 
a disease of Willows. The spores are colourless, 3-septate. 
On Salix, Connemara. Proc. R. Dublin Soc. X (1995) p. 157. 
Macrodendrophoma salicicola nomine nudum, with plate 
(Sphaeropsideae). 
Found by T. Johnson as a stage of Physalospora gregaria, a 


