TREES, SHRUBS, VINES AND PLANTS. 11 



preparation of this book. Prof. White's editorial work has 

 been especially referable to correctness of nomenclature. 

 Dr. Fernald's editorial work has been especially referable to 

 the subject of " Injurious Insects, Pests and their Treatment." 

 To these gentlemen we extend our hearty thanks. 



THE AUTHOR. 



