Explanation of Pl. XXm. 



Bhododendron caryoiiliyTlum Hayata. 



Fig. 1. A braucli. 



2. A leaf, sbowiug the lower sui-face, (uatural size). 



3. The same, showing the upper surface (slightly magnified). 

 3a. A poi-tiou of the uuder suiiace of a leaf. 



4. A bract. 



5. A bracteole. 



6. An outer bract. 



7. Au iuuer lji'act. 



8. The iuner-most bract. 



9. Corolla, esiDauded. 

 10. 11. 12. Stamens. 



13. An ovary. 



14. Cross section of the same. 



