Explanation of PL IV. 



Jleptapleurum arboricolum HAYATA 



Explanation of PL IV. 



Heptapleurum Sasakii HAYATA. 



Fig. 1. A branch. 



2. A leaf. 



3. A flower. 



4. The same, petals? taken oft. 



5. A petal. 



6. 7. Stamens, seen from different sides. 



