CONTENTS. xiX 



BOOK II. 



PiGt 



Of the Physiological Principles upon which the Operations 

 ok Horticulture essentially depend .... 101 



CHAPTER I. 

 Of Bottom Heat luii 



CHAPTER II. 

 Of the Moisture of the Soil. — Watering . . . .113 



CHAPTER IIL 

 Of Atmospherical Moisture and Temperature . . . 125 



CHAPTER IV. 

 Of Ventilation . . ." 160 



CHAPTER V. 

 Of Seed sowing 1S9 



CHAPTER VI. 

 Of Seed-saying 169 



CHAPTER VII. 

 Of Seed-packing 179 



CHAPTER VIII. 

 Of Propagation by Eyes and Knaurs 184 



CHAPTER IX. 

 Of Propagation by Leaves 190 



CHAPTER X 

 Of Propagation by Cuttings 199 



CHAPTER XI. 

 Of Propagation by Layers and Suckers , 201 



