﻿FIG. 
  229. 
  The 
  Southern 
  pitch 
  pine, 
  ur 
  lung-leaf 
  pine 
  (Pinus 
  palustris), 
  which 
  

   is 
  used 
  as 
  a 
  source 
  of 
  turpentine 
  and 
  pitch 
  

  

  Note 
  the 
  method 
  of 
  tapping 
  the 
  trees 
  to 
  secure 
  the 
  resinous 
  secretion. 
  Photograph 
  

   hy 
  the 
  United 
  States 
  Division 
  cf 
  Forestry 
  

  

  2U7 
  

  

  