EXPLANATION OF THE PLATE. 

 Plate CXCVIII. iEscuLUs arguta. 



1. A flowering branch, natural size. 



2. Vertical section of a flower, the petals removed, enlarged. 



3. A lateral petal, enlarged. 



4. A superior petal, enlarged. 



5. A stamen, enlarged. 



6. A pistil, enlarged. 



7. A fruiting branch, natural size. 



8. A seed, natural size. 



9. Cross section of a seed, natural size. 



