CONTENTS OF VOL. II. 



BOOK IV. 



Of the Phenomena of Vegetable Life 1 



Chap. I. Germination of the Seed 2 



Sect. I. Conditions of Germination 3 



II. Physical Phenomena 14? 



III. Chemical Phenomena 27 



Chap. II. Food of the Vegetating Plant 4-1 



Sect. I. Water 43 



Sect. II. Gases 50 



III. Vegetable Extract 65 



IV. Salts 69 



V. Earths 74 



VI. Manures 79 



Chap. III. Process of Vegetable Nutrition 89 



Sect. I. Intro-susception 89 



II. Ascent of the Sap 101 



III. Cause of the Sap's Ascent 125 



IV. Elaboration of the Sap 135 



V. Elaboration of Carbonic Acid. . 144 



VI. Elaboration of Oxygene 153 



VII. Decomposition of Water 176 



, VIII. Descent of the Proper Juice . . 182 



IX. Causes of Descent 191 



Chap. IV. Process of Vegetable Developement 199 



Sect. I. Elementary Organs 200 



II. Composite Organs 208 



III. Circulation of Vegetable Juices 236 



IV. Decomposite Organs 245 



