AMPHISPIIAKRIKAH. . 



A Perithecia not collapsing. 



Sporidia elliptical, or oblong, uniseptate, 



brown. - - - ' Amphisphaeria. 



Sporidia oblong or fusoid, 3-or moroscptate, 



brown. • - • TrematosphaeHa. 



Sporidia subelliptical, uniseptate. brown, with a 



snout-like (often 1-3-septate) prolongation 



at each end. - • - Caryospora. 



Sporidia 3-septate, separating in the middle, brown. Ohleria. 

 B Perithecia often collapsing. 



Sporidia 2-or more-septate, hyaline. Winteria- 



Sporidia mnriform, brown. - Teichospora. 



I,0PHI0STOMEAE, 



Sporidia oblong or subfusoid, l-multiseptate, hyaline 



or brown. - • Lophiostoma- 



Sporidia ovate or oblong, brown, muriform. - I^phidium. 

 Sporidia vermicular or filiform, septate, subhyaline. LopMonema. 



CUCURBITARIEAE. 



r 



A. Perithecia mostly cespitose. 



Sporidia muriform, brown. • • Gticurbitaria. 



Sporidia continuous, short cylindrical, hyaline. Nitschkia. 

 Sporidia continuous ovoid, elliptical, or oblong, 



hyaline. • ^ - • Wallrothiella. 

 Sporidia continuous oblong or allantoid, subhyaline, 



more than 8 in an ascus. - Fracchiaea. 



Sporidia oblong-elliptical, uniseptate, subhyaline. Gibbera. 



B. Perithecia gregarious. 



Sporidia short-cylindrical, continuous, hyaline. Coelosphaeria. 

 Sporidia elliptical or fusoid, uniseptate, brown or 



yellowish-brown, lignicolous. • Otthia. 



Sporidia subelliptical, uniseptate, brown. Parodiella. 



Sporidia subfusoid, 3-8eptate, brownish. - Montagnella. 



Perithecia subelliptical, uniseptate, brown. Parodiella- 



SPHAERELLEAE. 



A. Paraphyses present. 



Sporidia elliptical, continuous, hyaline. ■ Physalospora. 



' Sporidia subelliptical, yellowish-hyaline, unequally, 



uniseptate. - • Stigmatea, 



