5 



Stroma byspoid. 



Stroma valsoid. 



Parasitic on other fungi. 



Growing on wood or bark. 



Sporidia filiform. 



**** Stroma effused, bright colored.. 



Sporidia ovoid, (foliicolous.) 



Sporidia filiform, stroma, yellow, amplexicaul. 

 B. Perithecia buried, without any distinct struma. 

 (', Peritliecia superficial stroinii, scanty or none. 



* Sporidia hyaline or suhhyaline. 

 Sporidia appendiculato, peritliecia subulate. 

 Sporidia uniseptate, conidial stroma tubercular. 

 Sporidia uniseptate, conidial stroma capitate. 



'Sporidia, '2-or more-septate. 

 Sporidia murifbrm. 



Sporidia allantold, minute, asci polysporous. 

 Sporidia filiform, fimicolous. 

 Sporidia filiform, xylogenous. 

 Sporidia 3-pluriaeptate, poiithecia blue or violet. 

 Sporidia brown, perithecia beaked, mostly 

 continuous. 



CHAETOMIEAE. 



Characters same as tlie family; includes the single 

 genus. 



SORDAMIBAB. 



A. Stroma wanting. 



* Sporidia continuous brown. 



Asci 8-sporcd, sporidia without appendages 



Asci 8 spored, sporidia appendiculato 



Asci polysporous 



** Sporidia, 1 -or more- septate, 



Sporidia uniseptate. 



Sporidia 4-20, septate. 



\i, Stroma piesenl. 



Sporidia continuous. 



Byssonectria. 

 Thyronectria, 



Hypomyces. 

 Hypocrea. 



Ilypocrella. 



Polystigma. 



Epicldoe. 



Hyponectria- 



Eleutheromyces. 



Nectria. 



Sphaerostilbe. 



Galonectria. 



Pleonectria. 



Ghilnnectria, 



Barya. 



Ophionectria. 



Gibberella. 



Melanospora. 



Chaetomium. 



Sordaria. 

 Podospora. 

 Philoco'i ra, 



Deliischia_ 

 Sporormia. 



Uypocopru. 



