﻿8 
  

  

  INTRODUCTION 
  TO 
  BOTANY 
  

  

  of 
  corn, 
  \\lirat, 
  ami 
  <>ats, 
  in 
  the 
  vegetables 
  and 
  fruits, 
  and 
  

   in 
  the 
  oil 
  of 
  corn 
  and 
  cotton. 
  It 
  must 
  also 
  be 
  noted 
  that 
  

   many 
  tissues 
  or 
  fibers 
  >f 
  great 
  sign 
  iticance-- 
  such 
  as 
  cotton, 
  

  

  FIG. 
  4. 
  A 
  red-oak 
  tree 
  whose 
  roots 
  have 
  lost 
  their 
  anchorage 
  through 
  

   removal 
  of 
  the 
  soil 
  by 
  water 
  

  

  Compare- 
  tin- 
  position 
  of 
  the 
  tree 
  \\ 
  ith 
  tluit 
  of 
  the 
  beech 
  and 
  other 
  trees 
  

  

  in 
  the 
  li:iek 
  ground 
  

  

  hemp, 
  flax, 
  and 
  the 
  timbers 
  of 
  commerce 
  -- 
  are 
  produced 
  in 
  

   enimeet 
  i<>n 
  with 
  the 
  ordinary 
  processes 
  by 
  means 
  of 
  which 
  

   plants 
  manufacture 
  plant 
  foods 
  and 
  use 
  them 
  in 
  their 
  growth. 
  

  

  