BY D. McALPINE. l3 



He.lminthosporimn consjncimm. 

 Fig. 10. — Free ends of gonidiophores with immature gonidia. 

 Fig. 11. — Gonidia. 



Fiimago vagans. 

 Fig. 12. — HyphiB with gonidia. 



Plate ii. 

 Bactridium versicolor. 

 Fig 13. — Terminal end of gonidiophore. 

 Fig. 14. — Gonidia. 



Phyllosticta soriformis. 



Fig. 15. — Gonidia produced laterally and terminally. 



Fig. 16. — Section of leaf showing epidermal ceils and perithecia on surface 



( X 145). 

 Fig. 17.— Sporules ( x 600). 



Septoria diospyri. 

 Fig. 18. — Sporule. 



Ustilago crypta. 

 Fig. 19. — Resting-spores. 



