EXPLANATION OF THE PLATE. 



Plate CCCXX. Morus rubra. 



1. A flowering branch with staminate flowers, natural size. 



2. A flowering branch with pistillate flowers, natural size. 



3. Diagram of a staminate flower. 



4. Diagram of a pistillate flower. 



5- A staminate flower before the exsertion of the stamens, enlarged. 



6. Vertical section of a staminate flower with one stamen partly exserted, 



enlarged. 



7. A pistillate flower, enlarged- 



8. A pistil, enlarged. 



9. Vertical section of a pistil, enlarged. 



10. An ovule, much magnified. 



11. A fruiting branch, natural size. 



12. A fruit inclosed in the fleshy calyx, enlarged. 



13. A nutlet, enlarged. 



14. Vertical section of a nutlet, enlarged. 



15. A seed, enlarged. 



16. An embryo, much magnified. 



17. A winter branchlet, natural size. 



