CONTENTS. 



CHAPTER 3. 



Page 



SPECIAL PHENOMENA IN THE LIFE OF THE PLANT . 786 



1. Development of Heat by Plants 786 



2. Luminosity of Plants 788 



3. Electricity of Plants 788 



4. Movements of Plants 789 



1. Movements depending on External Influences . 789 



a. Periodical 789 



b. Not Periodical 790 



2. Movements independent, at least to some extent, 



of External Influences 790 



a. Periodical 790 



b. Not Periodical 791 



Index to Organography and Physiology. . . 793 

 Index to Systematic Botany 800 



