Page 

 CHAPTER 3. 



SPECIAL PHENOMENA IN THE LIFE OF THE PLANT . 802 



1. Development of Heat by Plants 802 



2. Luminosity of Plants 804 



3. Electricity of Plants 804 



4. Movements of Plants 805 



1. Movements depending on External Influences . 806 



a. Periodical 806 



b. Not Periodical 806 



2. Movements independent, at least to some extent, 



of External Influences 806 



a. Periodical 806 



b. Not Periodical 807 



5. Odours of Plants 807 



GrENERAL AND GlOSSARIAL InDEX TO STRUCTURAL AND 



Physiological Botany 809 



Index to Systematic Botany ; including the Classifi- 

 cation, Properties, and Uses of Plants. . .818 



