Explanation of Pl. XXIII. 
JF'ravinus formosana. HaAvaATA. 
l. A branch. 
2. X ]eaf. 
3. 4. Flowers. 
5. Corolla expanded, showing stamens. 
6. Corolla lobes, seen from different sides. 
7. 8. Stamens, seen from different sides. 
9. An ovary. 
10. "Pransverse section of the sume. 
