CONTENTS. 



PAOK 



I. PLANT NUTRITION: THE WORK AND THE MATERIALS. 116 



II. NUTRITION (continued). THE MACHINERY . 17 _ 41 



III. GROWTH . ....... 4254 



IV. SENSITIVENESS ...... 5571 



V. DEVELOPMENT . .... 7283 



VI. MULTIPLICATION ...... 8492 



VII. THE BATTLE OF LIFE ....... 93115 



VIII. PRACTICAL INFERENCES ..... Ug _ jgi 



IX. DECAY AND DEATH ....... 132 13& 



13& _ 142 



