INDEX OF TREES. 



The names of genera are given in SMALL CAPITALS, of species and varieties in 

 "roman type," and synonyms in italics. The names of introduced species are 

 enclosed by brackets. 



PAGE 

 10 



8 4 



86 



92 



174 



9 2 



92 



22 

 24 



140 

 70 



66 

 66 



22 

 62 

 60 



59 



56 

 55 

 59 

 130 

 62 

 56 

 62 



55 

 56 

 59 



245 



