OUTLINE OF TEXT 



I. Introduction. 



1. The place of physiology in the sciences; classification 



of the botanical sciences ..... 



2. The cell ; the colloidal condition of matter 



II. Nutrition. 



1. Constructive metabolism. 



a. Photosynthesis. 



1. Importance, raw materials, products, etc. 



2. Controlling factors .... 



3. Chemistry of chlorophyll and the ca- 



rotinoids ...... 



4. Nature of the photosynthetic process . 



b. Other ways of securing food. 



1. By higher plants, — parasitism, sapro- 



phytism, etc. 



2. By lower plants, — chemosynthesis . 



c. Assimilation of nitrogen, — the nitrogen cycle . 



d. Ash constituents. 



1. Nutritive and stimulative functions 



2. Balancing functions .... 



e. Products of metabolism. 



1. Foods. 



a. Carbohydrates .... 



b. Fats ...... 



c. Proteins ..... 



d. Other allied products, — glucosides, 



etc. ...... 



2. Enzymes ...... 



3. Hormones, auximones, and vitamins 



2. Absorption and movement of materials. 



a. Absorption of gases, — diffusion 



b. Absorption of liquids, — osmosis 



c. Transpiration ...... 



d. The ascent of sap ..... 



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CHAPTER 



I 

 II 



III 



IV 



V 

 VI 



VII 

 VIII 



IX 



X 



XI 



XII 

 XIII 

 XIV 



XV 



XVI 



XVII 



XVIII 



XIX 



XX 



XXI 



