REFERENCES 175 



10. How can you devise experiments to prove that food in a root 

 has to become soluble before it can pass to another part of the plant ? 



11. What are the functions of the various parts of a living plant? 



Practical Problems 



1. Show why a region well supplied with trees is more likely to have 

 frequent rains than a desert region. 



2. Explain fully how you are dependent for your food upon grass. 



3. Make a table in your notebook to show how raw food materials 

 get into a green plant, just where each goes, and what becomes of it, 

 what results, and what by-products are passed off. Use colors. 



4. Sum up the differences between dicotyledonous and monocoty- 

 ledonous plants. 



Useful References 



Dana, Plants and Their Children. Pp. 99-129. (American Book 



Company.) 

 Duggar, Plant Physiology. (The Macmillan Co. 1921.) 

 Coulter, Barnes, and Cowles, A Textbook of Botany, Vol. I. (American 



Book Company.) 

 Gager, General Botany. (P. Blakiston's Son & Co. 1926.) 

 Hodge, Nature Study and Life, Chapters IX, X, XI. (Ginn & 



Co.) 

 Transeau, General Botany. (World Book Co. 1923.) 



