EXPLANATION OF PLATE 4 



Bamularia graminicola Peck. 

 Fig. 1. Upper part of a grass leaf marked with three fungous spots. 

 Fig. 2. A cluster of four hyphee, two of them bearing spores, x 400, 

 Fig. 3. Five spores x 400. 



Bamulaeia destruens Peck. . 

 Fig. 4. A leaflet with the upper half blackened by the fungus and showing 



two fungous spots. 

 Fig. 5. Tufts of hyphee, two filaments bearing spores, x 400. 

 Fig. 6. Six spores x 400. 



Cercosporella Veratri Peck. 

 Fig. 7. Upper part of a leaf with two fungous spots. 

 Fig. 8. Three spores x 400. 



Aspergillus aviarius Peck. 

 Fig. 9. Piece of membrane bearing a patch of the fungus. 

 Fig. 10. A spore-bearing vesicle and its filament, the former partly 



denuded of its chains of spores, x 400. 

 Fig. 11. A single chain of spores x 400. 

 Fig. 12. A group of free spores x 400. 



Septomyxa Carpini Peck. 



Fig. 13. A piece of bark bearing six heaps of spores. 

 Fig. 14. Five spores x 400. 



BispoRA EFFUSA Peck. 

 Fig. 15. Piece of wood bearing a patch of the fungus. 

 Fig. 16. Three chains of spores and a sterile hypha x 400. 

 Fig. 17. Four free spores x 400. 



Caryospora minor Peck. 

 Fig. 18. A hickor/nut bearing a group of the perithecia. 

 Fig. 19. A perithecium enlarged. 

 Fig. 20. An ascus containing spores x 400. 

 Fig. 21. Three spores x 400. 



Phyllosticta Ludwigi^ Peck. 

 Fig. 22. A leaf.'showing three fungous spots. 

 Fig. 23. Four spores xl400. 



