Explanation of PL XIH. 



Aristolochia Shimadai HAY AT A. 



Fig. 1. The plant. 



2. Apical portion of a flower, before opening. 



3. A mature flower, in vertical section. 



4. Stamens and style. 



5. A fruit. 



6. 7. Seeds, seen from different sides. 

 8. Section of a seed. 



