DESMAZIERELLA. 283 



I have examined the original specimen, but can find 

 no fruit. In general appearance it greatly resembles 

 P. Rosce. 



Name After Dr. Johnstone. 



Berwick! X.B. 



GEXUS XL DESMAZIERELLA. Libert (amended). 



Receptacle orbicular ; hymenium disc-shaped, distinct, 

 hairy with the rigid, bristle-like paraphyses ; asci cylin- 

 drical ; sporidia hyaline, elliptic. Epiphytal. (Plate VIII. 

 fig. 51.) 



Only one species known. 



Name After J. B. H. J. Desmazieres. 



1. Desmazieretta acicola. Lib. 



Cups scattered, sessile, turbinate, then plane ; exter- 

 nally black, and clothed with a black byssoid tomentum : 

 margin ciliated with long, bristle-like hairs ; hymenium 

 dark brown, pilose with the projecting paraphyses ; flesh 

 ]>ale cinereous; asci cylindrical; sporidia 8, elliptic, 

 2-guttulate, loXS/i; paraphyses adherent in bundles, 

 separated at the summits, which are black and pointed, 

 exceeding the asci. 



Desmazierella acicola Lib., " Ann. Sc. Nat.," 1829, 

 p. 82, with figure ; "Grevillea," iii. p. 126, t. 42, f. 3. 



Exs. Lib., " Crypt. Ard.," 24 ; Phil, " Elv. Brit.," 45 ; 

 Winter, " Fungi Eur," 2211 ; Rehm, " Asco.," 705. 



On dead leaves of Pinus sylvestris. 



Cups about 2J lines broad. This appears at first as 

 a minute, hairy Chetomium-like body, nearly black, after- 

 wards expanding into a sublentiforrn disc. The brown 

 hairs of the hymenium, being prolongations of the para- 

 physes, give this plant a striking character. 



Name Acus, a needle, colo, to inhabit ; on pine- 

 needles. 



Wrekin, and Acton Burnell, Salop ! Trefriw, North 

 Wales ! Aberdeen ! (J. W. H. Trail). 



