PLATE XVIII. 



Hypericum Nagasawai HAYATA. 



Fig. 1. A branch of the plant. 

 2. a. A flower. 

 2. I). The same, seen from a little below. 



3. A sepal. 



4. A petal. 



5. A stamen. 



6. The same, seen from side. 



7. An ovary. 



