CONTENTS XV 



PAGE 



69. Fats and Their Utilization in Germination. Lipoids and Phos- 

 phatides. Organic Acids 215 



70. Reserve Proteins and Products of Their Hydrolytic Decomposition. 219 



71. Changes in Nitrogenous Substances at Germination. Enzymatic 

 Destruction of Proteins and Synthesis of Asparagine 224 



72. Proteins of the Protoplasm and Nucleus. Synthesis of Protein 

 Substances in Plants 228 



73. Nutrition of Saprophytic Microorganisms and Higher Plants 231 



74. Nutrition of Parasites. Insectivorous Plants 236 



75. Translocation of Organic Substances. The Deposition of Food 

 Reserves 243 



CHAPTER IX 



Respiration and Fermentation 248 



76. The Role and Nature of Respiration 248 



77. Methods of Studying Respiration. Intensity and Localization of 

 Respiration in Different Plants 251 



78. Substances Consumed During Respiration. The Respiratory 

 Coefficient 253 



79. Respiration at the Expense of Mineral Substances. Nitrification, 

 Sulphur and Iron Bacteria 255 



80. Anaerobic Respiration and Alcoholic Fermentation 258 



81. Enzymes and Their Chemistry in Alcoholic Fermentation 261 



82. Acid Fermentation and Its Chemistry 265 



83. Connection between Fermentation and Respiration. The Chem- 

 istry of Physiological Oxidation 269 



84. Influence of External and Internal Factors on Respiration and 

 Fermentation 275 



PART IV 

 GROWTH MOVEMENT, AND REPRODUCTION 



CHAPTER X 



Growth 279 



85. General Laws of Growth and Their Mathematical Formulation . . . 279' 



86. Growth of Individual Cells and Its Mechanism. The Three 

 Stages of Growth: Embryonic Development, Expansion, and 

 Internal Differentiation 284 



