Explanation of PI. XVII. 



Sanguisorba formosana HAYATA. 



Fig. 1. The plant. 



2. A leaf. 



3. A leaflet. 



A flower-head. 

 A flower. 

 A bract. 



7. A sepal. 



8. A flower, stamens taken off. 



9. 10. 11. Stamens, seen from different sides. 

 12. Cross section of an ovary. 



4. 

 5. 

 6. 



