Explanation of Pl. XXVII. 
Swertia arisanensis. 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. 
A hair around a foveola on a petal. 
S. Stamens, seen from different sides. 
9. An ovary. 
10. Capsule. 
11. 12, Seeds of different shapes. 
