Explanation of PL XXVII. 



Sivertia arisanetisis HAYATA. 



* 

 Fig. 1. Basal portion of a stem. 



2. Upper portion of a stem. 



3. A flower. 



4. Calyx expanded. 



5. Corolla expanded. 



6. A corolla-lobe. 



7. A hair around a foveola on a petal. 



8. Stamens, seen from different sides. 



9. An ovary. 



10. Capsule. 



11. 12. Seeds of different shapes. 



