Explanation of Pl. IX. 



Aiiemisui Kmvahimii Hayata. 



Fig. 1. Thc plaut. 



2. A disc-flower. 



.3. Stamens seen from witliin. 



4. A stamens, seen from witliout. 



5. The style of a disc-flower. 



6. A female flower. 



7. An apical portiou of the corolla of a female flower. 



