Explanation of PI. XXV. 



Pyrola aJho-reticvlata Hayata. 



Fig. 1. The plant. 



2. A leaf. 



3. A flower. 



4. A petal. 



5. 6. 7. 8. Stamens, seen from different sides. 



9. 10. Apical portions of a stamen, seen from different sides. 



11. A flower, petals and stamens, taken off. 



12. Cross section of an ovary. 



13. A fruit. 



14. A seed. 



