PLATE 34. 



Diatrypeae. 



Fig. 1. Diatrype Hochelagae, E. & E. moderately enlarged, on 

 dead elm. 



2. Vertical section through a stroma, more highly magnified. 



" 3. Anascus, 



" 4. Three sporidia. 



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

 maple. 



" 6. Vertical section through a portion of a stroma, more high- 

 ly magnified. 



" 7. Diatrype virescens, (Schw.), on dead wood of Garpinus, 

 a single stroma somewhat enlarged. 



" 8. Vertical section through a rather small stroma of the same 

 species. 



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

 somewhat enlarged. 



" 10. Vertical section through a stroma more highly magnified. 



" 11. An ascus. 



" 12. Three sporidia. 



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

 slightly enlarged. 



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

 bedded perithecia. 



" 15. Anascus. 



" 16. Two sporidia. 



