PLATE 34. 



Diatrypeae. 



Fig. l 



7. 



10. 

 11. 

 12. 

 13. 



14. 



15. 

 16, 



Diatrype Hochelagae, E. & E. moderately enlarged, oi 

 dead elm. 



Vertical section through a stroma, more highly magnified. 



An ascus. 



Three sporidia. 



Diatrype platystoma. (Schw.) somewhat enlarged, on dead 

 maple. 



Vertical section through a portion of a stroma, more high- 

 ly magnified. 



Diatrype virescens, (Schw.), on dead wood of Carpinus, 

 a single stroma somewhat enlarged. 



Vertical section through a rather small stroma of the sajne 

 species. 



Diatrypella hysterioides, E. & E. on dead poplar wood, 

 somewhat enlarged. 



Vertical section through a stroma more highly magnified. 



An ascus. 



Three sporidia. 



Anthostoma Ontariense, E. & E. on bark of dead willow, 

 slightly enlarged. 



Vertical section through a piece of bark, showing the im- 

 bedded perithecia. 



An ascus. 



Two sporidia. 



