﻿Smithsonian 
  Report, 
  1943. 
  Cook 
  

  

  PLATE 
  15 
  

  

  A 
  Hardy 
  Chinese 
  Tree, 
  Eucommia 
  ulmoides, 
  Containing 
  Gutta-percha. 
  

  

  Upper, 
  stamens 
  and 
  pistils, 
  natural 
  size, 
  the 
  stamens 
  grouped 
  on 
  simple 
  receptacles, 
  the 
  pistils 
  solitary 
  in 
  

   axils 
  of 
  bud 
  scales 
  or 
  of 
  foliage 
  leaves, 
  lacking 
  any 
  specialized 
  floral 
  envelope, 
  either 
  calyx 
  or 
  corolla. 
  The 
  

   sexes 
  are 
  separate 
  and 
  the 
  tree 
  is 
  placed 
  in 
  a 
  family 
  by 
  itself. 
  It 
  looks 
  like 
  an 
  elm, 
  and 
  is 
  hardy 
  throughout 
  

   the 
  United 
  States. 
  

  

  