X CONTENTS 



Page 

 Mineral Nutrients; Photosynthesis; Carbohydrates; Pro- 

 teins; Root Nodules; Hysterophytic Plants; Respiration; 

 Anaerobic and Aerobic Respiration; Fermentation; Tem- 

 perature Relations ; Effect of Poisons. Growth ; Relation 

 to Nutrition,Temperature,Light. Reproduction ; Asexual, 

 and Sexual; Behavior of Chromosomes, Diploid and Hap« 

 loid Number; Inheritance; Mendelism; Natural Selec- 

 tion; Survival of the Fittest; Variations; Mutations; 

 Evolution; Phylogeny; Plant Breeding. Movements; 

 Hygroscopic Movements; Protoplasmic Movements; 

 Turgor Movements; Growth Movements, Nutation, 

 Tropisms, Phototropism, Geotropism, Thigmotropism, 

 Chemotropism, Hydrotropism. Pathology; "Physiolog- 

 ical Diseases;" Diseases due to Parasites 71 



CHAPTER V 



The Chemistry of the Plant 



Inorganic Acids and Salts. Organic Acids. Alcohols. Fats 

 and Fatty Oils. Aromatic Oils and Camphors. Carbo- 

 hydrates; Monosaccharids; Disaccharids; Trisaccharids; 

 Tetrasaccharids; Polysaecharids. Glucosides. Alkaloids. 

 Protein Group. Enzymes. Miscellaneous Substances . 139 



CHAPTER VI 



The Classification of Plants 



Number of Species. Relationship. Species and Genera. 

 Higher Groups; Families; Orders; Classes; Phyla. Evo- 

 lution. Origin of Phyla. The Place of Plants in Time. 

 Table of Geologic Time Divisions 157 



CHAPTER VII 



Phylum I. Myxophyceae: Slime Algae 



General Characters. Two Classes. Blue Greens; Unicellular; 



Filamentous. Bacteria. Higher Blue Greens . . 163 



