viii CONTENTS. 



PAGB 



CHAPTER XIIL THE FRUIT ; PERICARP HO 



CHAPTER XIV. THE FRUIT; SEED 117 



GERMINATION 121 



CHAPTER XV. THE CBYPTOGAMIA. ORGANS 124 



PART SECOND. PHYSIOLOGICAL BOTANY 130 



CHAPTER I. THE VEGETABLE CELL 130 



CHAPTER II. THE TISSUES 134 



CHAPTER III. THE EPIDERMAL SYSTEM 137 



CHAPTER IV. THE LIGNHOUS SYSTEM 139 



STRUCTURE or LEAVES. 145 



CHAPTER V. OF VEGETATION, OR THE PHYSIOLOGY OF PLANT LIFE 146 



FERTILIZATION 148 



RIPENING OF FRUITS 151 



CHAPTER VI. OF ABSORPTION , 152 



CIRCULATION 153 



TRANSPIRATION 156 



RESPIRATION 156 



CHAPTER VII. REVIEW OF THE PRINCIPLES OF NUTRITION 158 



PART THI-RD. SYSTEMATIC BOTANY 164 



CHAPTER I. OF THE CLASSIFICATION OP PLANTS 164 



CHAPTER IL OF THB AUTIFICIAL SYSTEM 166 



CHAPTER III. OF THB NATURAL SYSTEM 160 



CHAPTER IV. NOMENCLATURE. ANALYSIS 174 



INDEX AND GLOSSARY .' 180 



KEY ANALYTICAL TO THE NATURAL ORDERS 191 



PART FOURTH. DESCRIPTIVE BOTANY ; THE FLORA 199 



ORDERS OF TUB POLYPETAL^E 200 



ORDERS OF THB GAMOPETALJS 393 



ORDERS OF THE APETAL^: 601 



ORDERS OF THB CONOIDEJE 659 



ORDERS OF THE SPADICIFLORJE 666 



ORDERS OF THE FLORIDE^: 676 



ORDERS OF THE GRAMINOIDEJE T31 



ORDERS OF THE CRYPTOGAMIA , 810 



