X TABLE OF CONTENTS 



CHAPTER VII. 



PAGE 



STRUCTURE OF STEMS AND THE WATER PATH IN STEMS .... 51 



Structure of the stems of monocotyledons 51 



Structure of the stem of dicotyledons 56 



CHAPTER VIII. 



WINTER CONDITION OF SHOOTS AND BUDS ........ 61 



CHAPTER IX. 



LEAVES, THEIR FORM AND MOVEMENT . 70 



1. The gross parts of the leaf 70 



2. Form of leaves 73 



3. Fall of the leaf ' 75 



4. Arrangement of leaves 75 



5. Relation of leaves to light 77 



CHAPTER X. 



LEAVES, THEIR STRUCTURE AND MODIFICATIONS 83 



1. Structure of leaves 83 



2. Modifications of leaves 86 



CHAPTER XL 



WORK OF THE LEAVES 90 



I. Transpiration 90 



CHAPTER XII. 



WORK or LEAVES (continued) 97 



II. Photosynthesis 97 



III. Assimilation 105 



IV. Digestion . 107 



CHAPTER XIII. 



WORK OF LEAVES (concluded) 108 



V. Respiration 108 



