EXPLANATION OF THE PLATES. 



Plate CCCCXVII. Quercus CATESBiEi 



1. A flowering branch, natural size. 



2. A staminate flower, enlarged. 



3. A pistillate flower, enlarged. 



4. A fruiting branch, natural size. 



5. A cup, natural 



6. A winter branchlet, natural size 



Plate CCCCXVIIL Quercus Catesb^i x nigra (Quercus sinuata) 



1. A fruiting branch, natural size. 



2. End of a sterile branch, natural size. 



Plate CCCCXIX. Quercus Catesb^i x laurifolta. 



1. A fruiting branch, natural 



2. A sterile branch with narrow acutely lobed leaves. 



Q 



the lower branches. 



4. A lanceolate entire leaf like the leaf of Qiterctts laurifollay 

 from the upper part of the tree. 



