TRICHOSPH A.ER1EAE. 



Sporidia oblong or elliptical, unlseptate. • Venturia. 



Sporidia cylindrical or vermiform, lor more- 

 septate. - ... Lasiosphaeria. 



Sporidia oblong, ovate, or cylindrical.continuous. Trichpsphaeria. 



Sporidia 1-many-aeptate, subfusoid, hyaline or 



subhyaline. - - - Acanthostigma. 



Sporidia fusoid or oblong, hyaline or brown, 



1-7 septate. - ■ - - Herpotrichia. 



Sporidia fusoid or oblong, brown, or with the 



terminal cells hyaline ; perithecia seated on 



or surrounded by a felt-like or hairy 



subiculum. • Chaetosphaeria. 



MELANOMMEAE. 



Perithecia globose or subglobose, sporidia brown, 



continuous. • - • Rosellinia. 



Perithecia fasciculate, elongated, sporidia, cylindrical, 



hyaline, with a brown head. - Bombardia. 



Perithecia subdepressed, smooth, sporidia elliptical, or 



fusoid, uniseptate, pale brown or hyaline. Melanopsamma. 

 Perithecia tubercular-roughened, sporidia subcylindrical, 



uniseptate hyaline. ■ - - Bertia. 



Perithecia globose or ovoid, sporidia oblong or fusoid, 



1-or more-septate, brown. - - Melanomma. 



Perithecia subsuperficial, ovate or oblong, 



pluriseptate, hyaline. - Zignoella. 



CERATOSTOMEAE- 



Sporidia continuous, brown. - Ceratostoma. 



Sporidia continuous, hyaline. - - Ceratostomella. 



Sporidia elliptical, uniseptate, brownish. - Rhyncostoma. 



Sporidia uniseptate, hyaline. - - Lmtomita. 

 Sporidia elongated, pluriseptate, sub-hyaline or 



brownish, ■ - . Ceratosphaeria. 



Sporidia filiform, 2-or more-septate, hyaline. Ophioceras. 



Sporidia fusiform, hyaline, or subhyaline. Ramphoria. 

 Perithecia subulate, swollen below the tip, sporidia 



brownish, continuous. - . Hypsotheca. 



