B. 



A. 



Stroma byspoid. 

 Stroma valgoid. 

 Parasitic on other fungi. 

 Growing on wood or bark. 

 Sporidia filiform. 



****Stroma effused, bright colored. 

 Sporidia ovoid, (foliicolous.) 

 Sporidia filiform, stroma, yellow, amplexicaul. 

 Perithecia buried, without any distinet stroma. 

 Perithecia superficial stroma, scanty or none. 

 * Sporidia hyaline or subhy aline. 

 Sporidia appendicuiate, perithecia subulate. 

 Sporidia uniseptate, conidial stroma tubercular. 

 Sporidia uniseptate, conidial stroma capitate. 

 Sporidia, 2-or more-septate. 

 Sporidia muriform. 



Sporidia allantoid, minute, asci polysporous. 

 Sporidia filiform, fimicolous. 

 Sporidia filiform, xylogeaous. 

 Sporidia 3-pluriseptate, perithecia blue or violet, 

 Sporidia brown, perithecia beaked, mostly 

 continuous. 



Byssonectria. 

 Thyronectria. 



Hypomyces. 

 Hypocrea. 



Hypocrella. 



Polystigma. 



^pichloe. 



Hyponectria- 



Eleutheromyces. 



Nectria. 



Sphaerostilbe. 



Calonectria. 



Pleonectria. 



Ghilonectria. 



Barya. 



Ophionectria. 



Gibberella. 



B. 



CHABTOMIEAE- 



Characters same as the family; includes the single 

 genus. 



SORDAklEAE. 



Stroma wanting. 



* Sporidia continuous brown. 



Asci 8-spored,. sporidia without appendages 



Asci 8-spored, sporidia appendicuiate 



Asci polysporous 



** Sporidia, 1 -or more-septate. 



Sporidia uniseptate. 



Sporidia 4-20, septate. 



Stroma present. 



Sporidia continuous. 

 Sporidia 4-20-septate. 



Melanospora. 



Chaetomium. 



Sordaria. 

 Podospora. 

 Philoco'i ra. 



Delitschia^ 

 Sporormia. 



Hypocopra. 

 Sporormiella, 



