﻿INTRODUCTION 
  TO 
  

   BOTANY 
  

  

  BY 
  

  

  JOSEPH 
  Y. 
  BERGEN, 
  A.M. 
  

  

  AUTHOR 
  OF 
  "PRACTICAL 
  BOTANY," 
  " 
  ESSENTIALS 
  OP 
  BOTANY' 
  

   "PRIMER 
  OF 
  DARWINISM," 
  ETC. 
  

  

  AND 
  

  

  OTIS 
  W. 
  CALDWELL, 
  Pn.D. 
  

  

  AUTHOR 
  OF 
  "PRACTICAL 
  I5( 
  iTAN 
  Y," 
  " 
  PLANT 
  MORPHOLOGY" 
  

  

  AND 
  "LABORATORY 
  MANUAL 
  OF 
  BOTANY" 
  

  

  ASSOCIATE 
  PROFESSOR 
  OF 
  BOTANY 
  IN 
  THE 
  SCHOOL 
  OF 
  EDUCATION 
  

   THE 
  UNIVERSITY 
  OF 
  CHICAGO 
  

  

  GINN 
  AND 
  COMPANY 
  

  

  BOSTON 
  NEW 
  YORK 
  CHICAGO 
  LONDON 
  

   ATLANTA 
  DALLAS 
  COLUMBUS 
  SAN 
  FRANCISCO 
  

  

  