OF BRITISH FUNGI. 159 



824. Perithecia globose, depressed or conical. Spo- 

 ridia large, ovate, many-celled, with transverse 

 septa, coloured. Pl^ospoba, Rabh. 



325. Perithecia superficial, scattered, carbonaceous, 



hence brittle. Sporidia oval, oblong, or oblong- 

 fusiform, two or many-celled, coloured. 



Spii^ria, Fr. 



326. Perithecia horny, acute. Sporidia acicular, sep- 



tate, pale or hyaline. 



Hhapiiidospora, Be Not. 



327. Perithecia scattered, coriaceous, at first covered 



or superficial. Sporidia oblong or fusiform, 

 often curved, two or more-celled, hyaline or 

 yellowish. Leptosph.eria, Be Not. 



328. Perithecia scattered, immersed, membranaceous, 



with an erumpent ostiolum. Sporidia cylin- 

 drical, curved, or straight, simple, rarely uni- 

 septate, hyaline. Crypto sph^ebia, Be Not. 



329. Perithecia rugulose or setulose. Sporidia ovoid, 



simple, dark-coloured (sometimes caudate at 

 one extremity). Soedabia, Be Not. 



330. Perithecia fragile, hispid or setulose at the apex. 



Ostiolum large. Paraphyses none. Sporidia 

 two-celled, brownish. Ventubia, Be Not. 



331. Perithecia papyraceous, villose or strigose. Spo- 



ridia elongated, septa obscure, hyaline or pailld. 

 Lasiosph-Ebia, Be Not. 



332. Perithecia membranaceous. Ostiolum subulate, 



rostrate. Sporidia simple. 



( 'kkatosto.ua, Fr, 



833. Perithecia papyraceous, scattered, rostrate. Spo- 

 ridia cylindrical or oblong, often curved, two 

 to four-celled. Gnomonia, Be Not. 



