EXP LA NA TION OF PLATE 2 . 



DiAPORTHE MARGINALIS Pech. 



Part of a brancli bearing the fungus. 



A pustule magnified. 



Vertical section of a magnified pustule, showing three perithecia. 



Two asci containing spores x 400. 



Four spores x 400. 



DiAPORTHE Neilli.e Peck. 

 Part of a branch bearing the fungus. 



A perithecium magnified, its rostrum piercing the epidermis. 

 Two asci containing spores x 400. 

 Four spores x 400. 



Leptosph^ria KALMiiE Pcck. 

 Fig. 10. Part of a branch bearing the fungus. 

 Fig. 11. a piece of the bark with two perithecia magnified. 

 Fig. 12. A perithecium more highly magnified. 

 Fig. 13. A paraphysis and an ascus containing sjjores x 400. 

 Fig. 14, Four spores x 400. 



L^STADiA J5scTJLr Peck. 



Fig. 15. Part of a petiole bearing the fungus. 

 Fig. 16. A perithecium magnified. 

 Fig. 17. Two asci containing spores x 400. 

 Fig. 18. Four spores x 400. 



MoNiLiA Peckiana S. <f- Y. 



Fig. 19. a leaf partly discolored and its petiole frosted by the fungus. 

 Fig. 20. Two chains of spores x 400. 

 Fig. 21. A single spore x 400. 



M. Peckiana var. angustior S. 



Fig. 22. Part of a raceme with four of its young fruits frosted by the fungus. 

 Fig. 23. Two chains of spores x 400. 

 Fig. 24. Two spores x 400. 



