EXPLANATION OF THE PLATE. 



Plate CCCCIII. Quercus agrifolia. 



1. A flowering branch, natural size. 



. A staminate flower, enlarged. 



3. A pistillate flower, enlai'ged. 



4. A spike of perfect flowers, natural size 



5. A fruiting branch, natural size. 



6. End of a sterile branch, natural size. 



7. End of a sterile branch, natural size. 



8. A fruit, natural size. 



9. An axillary winter-bud, enlarged. 



