TABLE OF CONTENTS. 



PART I. GROWTH AND WORK OF PLANTS. 



CHAPTER I. 



PAGE 



PARTS OF SEEDS AND HOW SEEDS GERMINATE 



The bean . 



The castor bean . 



The squash or pumpkin . 



Corn seedlings .... 



The pine . 



Conclusions 



CHAPTER II. 

 NATURE OF FOOD STORED IN SEEDS AND OTHER PLANT PARTS ... 13 



CHAPTER III. 

 GROWTH OF ROOT AND STEM . . 



CHAPTER IV. 

 ROOTS, THEIR KINDS, MECHANICAL WORK AND STRUCTURE ... 26 



Root system .... 

 " Kinds of roots . 



. CHAPTER V. 

 WORK OF ROOTS IN ABSORPTION OF WATER AND FOOD FROM THE 



SOIL 33 



CHAPTER VI. 



TYPES AND KINDS OF STEMS 37 



Foliage shoot . . . 

 Specialized stems . 



Buds or bud shoots 47 



Growth of stems 4 9 



ix 



