]0 



Sporidia continuous, or 2-or more septate or 



pseudoseptate, hyaline. 

 Sporidia muriform, brown. 



mei<ogrammeae. 

 Sporidia continuous, hyaline. 

 Sporidia ovoid-oblong, uniseptate, hyaline, 



paraphyaes present. 

 Sporidia broad-fusoid, or elliptical, hyaline, 



paraphyses none. 

 Sporidia uniseptate, brown. 

 Sporidia fusoid or cylindrical; with several septa. 



DIATRYPEAE. 



Sporidia allantoid, yellowish, asci 8-8pored. 

 Sporidia allantoid, yellowish, asci polysporous. 

 Sporidia oblong or elliptical, continuous, brown, 



SUBORDER DOTHIDEACEAE. 



Sporidia continuous, hyaline or yellowish, stroma 



sclerotoid. 

 Sporidia continuous, hyaline or yellowish, stroma not 



sclerotoid. Phyllachora. 



Sporidia uniseptate, hyaline or yellowish, stroma 



thin, effused or discoid. 

 Sporidia uniseptate, hyaline or yellowish, stroma 



tubercular or pulvinate. 

 Sporidia 3-septate, brown. 

 Sporidia 3-5-septate, yellowish. 

 Sporidia filiform, continuous or nucleate. 

 Sporidia muriform, brown. 

 Sporidia muriform, yellowish-hyaline. 



XYLARIEAE. 



Stroma concave, or convex or subeffused. 

 Stroma globose, pulvinate or subeffused. 

 Stroma superficial, crustaceous, perithecia large. 

 Stroma vertical, divided by a horizontal layer. 

 Stronia dendroid,-moatly white within. 

 Stroma globose, concentrically zoned within. 

 Stroma clavate, becoming cup-shaped or discoid. 



Gryptospora. 

 Fenestella. 



Botryosphaeria. 



Myrmaecium. 



Endothia. 

 Valsaria- 

 Melogramma- 



Diatrype. 

 Diatrypella, 

 Anthostoma. 



Mazzavtia. 



Dothidella. 



Dothidea, 



IJomostegias 



Rhopographus. 



Ophiodothis. 



Curreya. 



Myriangium. 



Nummularia. 



Hypoxylon. 



Ustulina . 



Camillea- 



Xylaria^ 



Daldinia. 



Poronia. 



