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EXPLANATION OF THE PLATE IV. 

 I. Exobasidium Camellias (n. sp.). 



Fig. 1. Deformed flower-bud of Thea japonica Nois. 



Fig. 2. Portion of the hymenium with its overlying layer of tissue. X 30. 



Fig. 3. Portion of the hymenium. X 200. 



II. Exobasidium Camellias, var. gracilis (n. var.). 



Fig. 4. Deformed leaves of Thea Sasanqua Nois. 



Figs. 5.-6. Transverse sections of the diseased leaves in Fig. 4 through A B and C D. 



Fig. 7. Portion of the hymenium. X 200. 



Fig. 8. Portion of the hymenium with its overlying tissue. 



III. Exobasidium Japonicum (n. sp.). 



Fig. 9. Branch of Ehododendron indicum Sw. with a deformed shoot. 



Fig. 10. Portion of a branch with a gall-like swelling on the under surface of a leaf. 



Fig. 11. Portion of the hymenium. X 200- 



IV. Exobasidium hemisphaBiicum (n. sp.). 



Figs. 12-15. Different forms of galUike swelling on the under surface of the leaf of 



Ehod. Metternichii S. et Z. 

 Fig. 16. Longitudinal section of a gall-like swelling, showing the spongy nature of its 



internal portion. 

 Eig. 17. Portion of the hymenium. X 200. 



V. Exobasidium pentasporium (n. sp.). 



Fig. 18. Diseased leaves, showing the hymenium-bearing parts. 



Fig. 19. Section of the hymenium-bearing parts of a diseased leaf. X 200. 



