Explanation of Pl. XII. 



Ciss2is j^te^t^oclada Hayata. 



Fig. 1. The plant. 



2. Cross sectiou of the stem. 



3. Paii of iuflorescence. 



4. A flower, two isetals are takeu off to show the stamens and 



pistil. 



5. Petals. 



6. 7. 8. Stameus, seeu from diiferent sides. 

 9. An ovarj. 



10. Vertical section of tlie same. 



11. Cross section of the same. 



