AMPHISrHAERIEAK. 



A Perithecia not collapsing. 



Sporidia elliptical, or oblong, uniseptate, 



brown. Amphisphaeria* 



Sporidia oblong or fusoid, 3-or more-septate, 



brown. Trematosf)haeria. 



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 miiriform, brown. Teichospora. 



LOPHIO3TOMEAE, 



Sporidia oblong or subfusoid, 1-multiseptate, hyaline 



or brown. Lophiostoma- 



Sporidia ovate or oblong, brown, miiriform. Lophidium. 



Sporidia vermicular or tiliform, septate, subhyaline. Lophionema. 



CUCURBITARIEAE. 



A. Perithecia mostly cespitose. 



Sporidia muriforin, brown. Cucurbitaria. 



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. Parodidla. 



Sporidia subfusoid, 3-septate, br6wnish. Montagnella. 



Perithecia subelliptical, uniseptate, brown. Parodiella- 



SPHAERELLEAE. 



A. Paraphyses present. 



Sporidia elliptical, continuous", hyaline. Physalospora. 



Sporidia subelliptical, yellowish-hyaline, unequally, 



uniseptate. Stigmatea. 



