PLATE XXI. 



Artemisia oligocarpa Hayata. 



Fig. 1. The plant. 



2. A head. 



8. A female floAver. 



4. A perfect and sterile Hower. 



5. The stamens of the same flowei-. 



G. The upper portion of the style of the same 

 flower. 



7. The same, more magnified. 



8. A stamen of the same flower. 



9. The upper portion of the corolla. 



10. An Achene. 



11. An embryo. 



