Explanation of PI. I. 



il'in-iiinii for K>K< Dunn BATATA. 



Fig. 1. A branch. 



2. A hair ou a leaf. 



3. A branch of an inflorescence. 



4. A flower. 



5. An ovary, corolla taken off. 

 fi. A corolla, seen from above. 



7. The same, seen from below. 



8. Stamens, seen from different sides. 



