Explanation of PL XXIII. 



Fraxinus forviosana Hatata. 



Fig. 1. A branch. 



2. A leaf. 



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. Transverse section of the same. 



