CONTENTS. 



Page 

 INTRODUCTION. 1 4. ....... l 



FIEST BOOK. 



CHEMISTRY OF PLANTS. 



CHAPTER I. 



THE INORGANIC ELEMENTS. 5 7. . . 3 



CHAPTER II. 



ON THE ORGANIC ELEMENTS. 8 13. 



SECTION I. 

 Of the assimilated Bodies ...... 8 



SECTION II. 



Of the remaining Organic Substances formed under the Influence of 

 Vegetation ........ 25 



SECOND BOOK. 



ON THE PLANT-CELL. 



CHAPTER I. 



FORM OF THE PLANT-CELL. 14 29. 



SECTION I. 

 The Cell regarded as an Individual . 31 



SECTION II. 



Of Cells in combination, and intercellular Formations . . .51 



A. Parenchyma . . . . . . .51 



B. Intercellular System .... .52 



C. Vessels . . . . .54 



D. Vascular Bundles . . . . . .55 



E. Tissue of the Liber . . . .64 



