TABLE OF CONTENTS. XI 



CHAPTER XV. 



PAGES 



Some other ways in which certain plants obtain food... 84-93 



CHAPTER XVI. 

 Respiration 94-101 



CHAPTER XVII. 

 Growth 102-106 



CHAPTER XVIII. 1 

 Movement in plants due to irritability 107-1 14 



PART II: MORPHOLOGY AND LIFE HISTORY 

 OF REPRESENTATIVE PLANTS. 



CHAPTER XIX. 

 Spirogyra 115-119 



CHAPTER XX. 

 The green felt: Vaucheria 120-124 



CHAPTER XXI. 

 Fungi: The black mould * T-5-128 



CHAPTER XXII. 

 Fungi, continued : Wheat rust (Puccinia graminisI 129-133 



CHAPTER XXIII. 

 Fungi, concluded: The willow mildew (Uncinula sai.icis). 134-138 



