EXPLANATION OF THE PLATES. 



Plate CCCCXIV. Quercus velutina. 



1. A flowering branch, natural size. 



2. A staminate flower, enlarged. 



3. A stamen, enlarged. 



4. A pistillate inflorescence, enlarged. 



5. A pistillate flower, enlarged. 



6. Vertical section of a pistillate flower, enlarged 



Plate CCCCXV. Quercus velutijsta. 



1. A fruiting branch, natural size. 



2. Vertical section of a fruit, natural size. 



3. A cup, natural size. 



4. A nut, natural size. 



5. A nut, natural size. 



6. A seed, natural size. 



7. A leaf, natural size. 



8. A winter branchlet, natural size. 



