EXPLANATION OF THE PLATES- 



Plate XV. Asi3iixa triloba, 



1. A flowering branchy natural size. 



2. Diagram of a flower- 

 s' Vertical section of a fiowerj natural size. 



4- A flower, the sepals and petals removed, enlarged, 



5. An antherj anterior vlewj enlarged. 



6. An antliei'j posterior vieWj enlarged. 



7. A gynfficium, enlarged. 



8. Vertical section of a pistil, enlarged. 



9. Cross section of an ovary, enlarged. 



10. An ovule, much enlarged. 



11, A leaf, natural size. 



Plate XVI. Asimika triloba. 



1. A fruiting branch, natural size. 



2. Vertical section of a fruit, natural size. 



3. Cross section of a fruit, natural size. 



4. A seed, with its aril laid open, natural size. 



5. A seed, natural size. 



6. Vertical section of a seed, natural size. 



7. Cross section of a seed, natural size, 



8. An embryo, much enlarged. 



