﻿Smithsonian 
  Report, 
  1943. 
  Cook 
  

  

  Plate 
  4 
  

  

  Young 
  Castilla 
  Trees 
  With 
  Spreading 
  Lower 
  Branches. 
  

  

  Upper, 
  a 
  young 
  Castilla 
  plantation 
  in 
  southern 
  Mexico; 
  lower, 
  a 
  close 
  view 
  of 
  a 
  vigorous 
  young 
  tree, 
  one 
  

   of 
  the 
  branches 
  subtended 
  by 
  a 
  broadly 
  cordate 
  leaf 
  borne 
  on 
  the 
  trunk, 
  different 
  from 
  the 
  oblong 
  leaves 
  

   borne 
  along 
  the 
  branch. 
  

  

  