Explanation of PL XVI, 



Rohdea Watanabei HAYATA. 



Fig. 1. Tlic plant. 



2. A flower, x 3. 



3. The some in vertical section, x4. 



4. An interior lobe of the perianth, X 6. 



5. 6. Stamens seen from different sides, X 6. 



7. Ovary, seen from top, x 6. 



8. Cross section of ovary with perianth-tube. 



9. A fruit, n. s. 



10, 11, 12. Seeds, seen from different sides, x3. 



