PLATE X. 



Barlhea formosana HxVyata. 



Fig. 1. A brancli. 



2. A flower-bud. 



3. A flower. 



4. A petal. 



6. A jx)rtion of the upper margin of a petal 



6. A longer stamen, (dorsal view.) 



7. The same, (lateral view.) 



5. A shorter stamen, (lateral view.) 

 9. An ovary, in vertical section. 



10. The same, in cross section, stamens are seen in the holes 

 of the wall of the calyx tube. 



11. A capsule, a part of the calyx taken off. 



12. Seeds, seen from different sides. 

 lo. An embryo. 



