Explanation of PI, II. 



ia HAYATA. 



Fig. 1. A branch. 



2. A leaf. 



:>. A flower. 



4. A bracteole. 



5. A sepal. 

 G. A petal. 



7. A flower, sepals and petals taken off, showing stamens and stami- 



nocles. 



<S, i), 10. Stamens seen from different sides. 



11. A staminode. 



12. Ovary with disc-glands. 



