CONTENTS. Vll 



PART II. 



PHYSIOLOGICAL BOTANY. 

 CHAPTER I. 



VITAL PROPERTIES AND STIMULANTS. 



Vegetable Life (139.). Properties of Tissues (141.). Endosmose (144.). 



Vital Properties (145.). Stimulants to Vegetation (152.) - Page 155 



CHAP. II. 



FUNCTION OF NUTRITION Periods I, 2, 3, 4. 



Absorption (160.). Ascent of Sap (163.). Causes of Progression (165.). 



Exhalation (169.). Retention of Sap (172.). Respiration (!?&). 

 Fixation of Carbon (176.). Organizable Products Gum (177.). 

 Etiolation (179.). Colours and Chromatometer (182.). Results of 

 Respiration (189.) - - - - - 175 



CHAP. III. 

 FUNCTION or NUTRITION continued Periods 5, 6. 



CHAP. IV. 

 FUNCTION OF NUTRITION continued Period 7. 



Assimilation (223.). Pruning (225.). Grafting (227.). Development 

 (230.). Nutrition of Cryptogamic Plants (233.). Parasitic Plants (234.). 

 Duration of Life (235.). Vegetable Individuals (236.). Longevity 

 of Trees (239.) - 227 



CHAP. V. 



FUNCTION OF REPRODUCTION Periods 1, 2, 3. 



Propagation (243.). Origin of Flower-buds (245.). Flowering (246.). 

 Functions of the Perianth (252.). Development of Caloric (254.). 



