372 BRITISH DISCOMYCETES. 



" Fung. Eur.," 839 ; Karst, " Fung. Fenn.," 930 ; Cooke. 

 " Fung. Brit./' 276. 



On dead herbaceous stems. 



Name — Patella, a saucer. 



Common ! 



Gexus III. — Laquearia. Fries. 



Disc waxy, persistent, without any hypothecium, but 

 covered with a horny, coriaceous, dimidiate, superior, 

 deciduous excipulum ; mouth contracted (Berk., " Outl.," 

 p. 373). (Plate XL fig. 72.) 



Name — Laquear, a roof; from its peculiar form. 



1. Laquearia sphceralis. Fries. 



Erumpent, hemispherical, brown-black, urceolate ; 

 mouth contracted, entire ; disc plane, black ; asci oblong, 

 sessile ; sporidia minute, oblong-elliptic, hyaline, simple. 

 (Plate XI. fig. 72.) 



Laquearia sphceralis — Fries, " Summa "Veg. Scan.," p. 

 366 : Berk., " Outl.," p. 373 ; Fckl., " Symb. Myco.," p 

 2!50; Cooke, " Handbk.," No. 2182. Stictis Sphwralis — 

 Fries, " Sys. Myco.," ii. p. 194 ; "Eng. Flo.," v. p. 213. 



Exs.— Fckl, " F. Rh," No. 2066. 



On dead, decorticated branches of the ash. Winter. 



Introduced entirely on the authority of Mr. Purton ; 

 I have seen no specimens (M. J. Berkeley ; I. c). 



Order VII. — STICTE^. Fries. 



Receptacle nearly obsolete, immersed in the matrix ; 

 hymenium even, determinate, orbicular or elliptic, mar- 

 gined by the matrix or a ring of its own ; asci cylin- 

 drical or clavate ; sporidia elliptic, fusiform or elongate- 

 filiform. (Plates XL, XII. figs. 73-75.) 



The excipulum is reduced to a thin membranaceous 

 layer, which is immersed in the matrix, and adnate to it. 



