THE STORY OF PLANT LIFE 



3. Soil and the plant. 



Water ,, „ 

 Air 



The factors which regu- 

 late the activities of the 

 plant. 



The processes of manufac- 

 ture, transport; etc. 



if )> 



Light „ ,, 

 Heat „ „ 



4. Nutrition and growth. 



5. Absorption. 



6. Transpiration. 



7. Respiration. 



8. Assimilation. 

 g. The food requirements of plants. The materials 



transported and elaborated. 



10. Germination and growth. First activities of 

 the new individual. 



11. The movements of plants. Response to 



stimuli. 



12. Reproduction. Special contrivances for race 

 perpetuation. 



13. The forms of plants. Adaptations to environ- 

 ment and function. 



14. The structure of plants. Adaptations to 

 function. 



15. The natural history of plants. 



16. Classification. 



17. Evolution, etc. 



18. Geographical distribution, 

 ig. Plant-formations. 



20. The origin of plant types. 

 N.B. — i-g are treated in Vol. II; 10-20 in Vol. 

 III. 



