EXPLANATION OF PLATE I. 



Septoglceum Apocynt, Pk. 



Page 45. 

 Pig. 1. A leaf with two spots produced by the fungus. 

 Fig. 2. Three spores x 400. 



Septoria microsperma, PI 

 Page 44. 

 Fig. 3. A leaf bearing three groups of the fungus. 

 Fig. 4. A fragment of a leaf with a perithecium magnified. 

 Fig. 5. Four spores x 400. 



/ 



Aspergillus glaucus, Lk. 

 Page 49. 

 Fig. 6. A fragment of Polyporus bearing a patch of the fungus. 

 Fig. 7. A young plant magnified. 

 Fig. 8. Two mature plants magnified. 

 Fig. 9. Upper part of a plant with most of the spores removed, more highly 



magnified. 

 Fig. 10. Four spores x 400. 



Graphium gracile, Pk. 

 Page 50. 

 Fig. 11. Part of a leaf with spots produced by the fungus. 

 Fig. 12. A fragment of a leaf and four plants magnified. 

 Fig. 13. The upper part of a plant with spores x 400. 



Peziza balsamicola, Pk. 



Page 51. 

 Fig. 14. A leaf with the subiculum and three cups of the fungus. 

 Fig. 15. The same slightly magnified. 

 Fig. 16. Part of one of 1 the coarse colored threads of the subiculum with its 



spore-like bodies x 400. 

 Fig. 17. Delicate colorless threads of the subiculum with their fusiform conidia 



X400. 

 Fig. 18. Three conidia x 400. 

 Fig. 19. A cup magnified. 



Fig. 20. A paraphysis and two asci containing spores x 400. 

 Fig. 21. Three spores x 400. 



Meliola balsamicola, Pk. 

 Page 52. 

 Fig. 22. A leaf with the subiculum and five perithecia of the fungus. 

 Fig. 23. The same slightly magnified. 

 Fig. 24. A perithecium more highly magnified. 

 Fig. 25. Two asci of usual form, with their spores x 400. 

 Fig. 26. An ascus of unusual form, with its spores x 400. 

 Fig. 27. Three spores x 400. 



