PLATE XX. 



Artemisia nntahnja men si s Hayata. 



Fig. 1. The plant. 

 2. A liead. 



?i. Tlie same, seen from a little below. 



4. An outer- most bract. 



5. An inner ])i'act. 



6. An inner-most bract. 



7. A perfect flower. 



8. A stamen of the same flower. 



■ 9. The apical portion of the style. 



10. A female flower. 



11. The apical portion of the style of the same 

 flower. 



12. An achene. 



1.'). The same, in cross section. 



14. Another achene. 



in. The same, in cross section. 



1(!. A seed. 



17. An embrj'o 



