﻿CONTENTS 
  

  

  CHAPTER 
  PAGE 
  

  

  I. 
  INTRODUCTORY 
  1 
  

  

  II. 
  THE 
  PLANT 
  AS 
  A 
  WORKING 
  MACHINE 
  6 
  

  

  III. 
  ROOTS 
  AND 
  THEIR 
  RELATIONS 
  TO 
  THE 
  WORK 
  OF 
  PLANTS 
  20 
  

  

  IV. 
  MANUFACTURE, 
  TRANSPORTATION, 
  AND 
  USE 
  OF 
  FOODS 
  

  

  IN 
  PLANTS 
  34 
  

  

  V. 
  THE 
  STEM 
  AND 
  THE 
  LEAF 
  56 
  

  

  VI. 
  SPECIAL 
  FUNCTIONS 
  AND 
  FORMS 
  OF 
  STEMS 
  .... 
  85 
  

  

  VII. 
  BUDS 
  AND 
  BRANCHES 
  94 
  

  

  VIII. 
  TIMBER 
  ; 
  FORESTRY 
  107 
  

  

  IX. 
  FLOWERS 
  125 
  

  

  X. 
  POLLINATION 
  AND 
  FERTILIZATION 
  134 
  

  

  XL 
  FRUITS; 
  SEEDS 
  AND 
  SEEDLINGS; 
  SEED 
  DISTRIBUTION. 
  156 
  

  

  XII. 
  PLANT 
  BREEDING 
  173 
  

  

  XIII. 
  How 
  PLANTS 
  ARE 
  CLASSIFIED 
  194 
  

  

  XIV. 
  THE 
  BACTERIA 
  199 
  

  

  XV. 
  THE 
  ALG.E 
  219 
  

  

  XVI. 
  FUNGI 
  AND 
  FUNGOUS 
  DISEASES 
  OF 
  PLANTS 
  .... 
  234 
  

  

  XVII. 
  MOSSES, 
  LIVERWORTS, 
  AND 
  FERNS 
  262 
  

  

  XVIII. 
  THE 
  SEED 
  PLANTS 
  282 
  

  

  XIX. 
  PLANT 
  INDUSTRIES 
  308 
  

  

  XX. 
  WEEDS 
  333 
  

  

  APPENDIX 
  343 
  

  

  GLOSSARY 
  345 
  

  

  INDEX 
  359 
  

  

  vii 
  

  

  