BULGAEIA. 139 



AXALTSIS OF THE GEXEEA. 

 A. Spores coloured. 



Bulgaria. Disc expanding gradually, at length plane 

 and the ascophore turbinate ; spores usually only 4 in 

 an ascus. 



Bulgariella. Disc expanded from the first ; ascophore 

 patellate ; spores 8 in an ascus. 



B. Spores colourless. 



* Spores continuous. 



Ombrophila. Ascophore stipitate or narrowed into a 

 stem-like base ; excipulum composed of interwoven 

 hyphae. 



Orbilia. Ascoj'hore sessile, attached by a central point, 

 soon plane ; excipulum truly parenchymatous. 



Agyrium. Ascophore sessile, remaining convex. 



** Spores septate. 

 Calloria. Spores l-septate. 

 Corjme. Spores 2-many-septate. 



BTJLGAEIA. Fries (emended). 



Ascophore more or less gelatinous, erumpent, at first 

 closed, the disc gradually expanding and becoming plane, 

 narrowed below into a short, thick, stem-like base, black or 

 umber-brown, flesh dark ; asci narrowly clavate, stipitate, 

 4-8-spored ; spores 1-seriate, continuous, brown; paraphyses 

 slender, the thickened tips bent or curled. 



Bulgaria, Tries, Syst. Myc, ii. p. 166; Sacc, SylL, viii. 

 p. 636; also of Phil., Brit. Disc, p. 314, in part. 



Distinguished by the large, turbinate, fleshy-gelatinous, 



