Explanation of PL V. 



Lonicera oiwakemis HAYATA. 



Fig. 1. The plant. 



2. A leaf. 



3. A portion of the upper surface of a leaf. 



4. A portion of the lower surface of a leaf. 



5. Pair of flowers. 



6. The same seen from back. 



7. A flower seen from side. 



8. Ovaries and a style. 



9. Corolla expanded. 



10, 11. Stamens, seen from different sides. 



12. Ovary in vertical section. 



13. A portion of the outer surface of the corolla-tube. 



