CONTENTS 

 PART I. THE ANATOMY OF PLANTS 



CHAPTER VAGE 



I. THE STRUCTURE AND PHYSIOLOGY OF THE PLANT- 

 CELL . i 



II. GROWING POINTS AND CELL-DIVISION 16 



III. THE DIFFERENTIATION OF PLANT-CELLS . . 27 



IV. THE NON-LIVING CONTENTS OF CELLS. . . 40 



V. CELL-CONTENTS (BY-PRODUCTS, ETC.) ... 58 



VI. THE STRUCTURE OF ROOTS . . . -65 



VII. THE STRUCTURE OF THE YOUNG STEM . . 76 



VIII. THE EPIDERMIS. 91 



IX. THE STRUCTURE OF THE LEAF . ^ . / . . 107 



X. SECONDARY THICKENING . . . < . 117 



XI. CORK-FORMATION, ETC. . . . . 135 



XII. SECRETORY ORGANS . *44 



XIII. ANATOMY IN RELATION TO THE HABITAT . . 158 



vii 



