Explanation of Pl. XXII. 



Vaccinium caudati/oliicm Hayata. 



Fig. 1. A brauch. 



2. A leaf. 



3. A raceme. 



4. An outer scale of a bucl of a receme. 



5. A middle scale of tlre same. 



6. Au iuuer scale of the same. 



6a. The inuer-most scale of the same. 



7. A portiou of the outer siu'face of the same, showing glandular 



hairs. 



8. Two bracteoles. 



9. A bract. 



10. A flower. 



11. Corolla, expanded. 



12. Calyx and ovary. 



13. 14. 15. Stamens, seen from different sides. 



16. Cross section of an ovary. 



17. A fruit. 



18. A seed. 



19. Alljumen. 



20. Vertical sectiou of tlie same, showiug an embryo. 



