Explanation of PI. XXX. 



Ouscuta fonnosana HAY ATA. 



Fig. 1. The plant. 



2. A. flower. 



3. Corolla expanded. 



4. Stamens, seen from different sides. 



5. An appendage within corolla-tube. 



6. An ovary. 



7. Vertical section of the same. 



8. Cross section of the same. 



9. Apical portion of a style. 



10. Two ovules in a cell, (front view.). 



11. An ovule showing its attachment. 



