EXPLANATION OF THE PLATES. 



Pl^TE CCCXCIL QUERCUS DinVIOSA. 



1. A flowering branch, natural size. 



2. A staminate flower, natural size. 



3. A fruiting branch, natural size. 



4. A fruiting branch of the variety revoluta^ natural size. 



5. The end of a branch of the variety revoluta^ with nearly 



entire leaves. 



6. A fruit, natural size. 



7. A fruit, natural size. 



8. A fruit, natural size. 



Plate CCCXCIIL Quercus dumosa. 



1. A fruiting branch, natural size. 



2. A fruiting branch, natural size. 



3. The end of a vigorous shoot with sharply dentate 



leaves. 



4. A leaf, natural size. 



5. A leaf, natural size. 



6. A leaf, natural size. 



7. A leaf, natural size. 



8. A fruit, natural size. 



9. A fruit, natural size. 



10. A fruit, natural size. 



11. A fruit, natural size. 



12. A winter branchlet, natural size. 



