X TABLE OF CONTENTS. 



CHAPTER VII. 



PAGES 



HOW PLANTS OBTAIN THEIR LIQUID FOOD 34~44 



I . Water cultures 34-36 



II. How plants obtain food from the soil 36-4 1 



III. Strong solutions of plant food are injurious 4 I_ 44 



CHAPTER VIII. 

 HOW SOME PLANT PARTS REMAIN RIGID 45~49 



CHAPTER IX. 



HOW WATER MOVES THROUGH THE PLANT 5°-55 



I. Root pressure or osmotic pressure 50-51 



II. The loss of water by plants (transpiration) 5 I_ 55 



CHAPTER X. 



HOW WATER MOVES THROUGH THE PLANT, CONCLUDED.... 56-60 



III. Part which the leaf plays in transpiration. 



CHAPTER XL 

 Path of movement of liquids in plants 61-69 



CHAPTER XII. 



How plants get their carbon food 70-73 



I. The gases concerned. 



CHAPTER XIII. 



How plants get their carbon food, concluded 74-80 



II. Starch formed by green plants. 



CHAPTER XIV. 

 Rough analysis of plant substance 81-83 



