30 



REPRESENTATIVE PLANTS 



Particular attention ought to be paid to the influence of 

 environment on the form, structure, and habits of stems. 



Read about "Desert Vegetation," "Tropical Forests," 

 " Arctic Plants," and " Water Plants " in this connection. 



10. Useful Stems Table 

 Make a table of useful stems as follows : — 



Name 



Where Native 



Use : Crude, 

 Eaw, Cooked 



Use 

 Manufactured 



IX WHAT 



Industry 



11. Further Applicatioxs 



1. You may make sugar from sorghum, sugar cane, or 

 maples. How would you proceed? How important is 

 cane sugar ? 



2. You may make dyes from oak and walnut bark. 



3. You may make a cough syrup from cherry bark. 



4. You may make strong fibers from flax or hemp stem 

 by pounding the cured stems, to break the woody parts, 

 and then separating the tough long strands of fiber? What 

 are these fibers used for ? 



5. You may make tannin from oak (black) bark or hem- 

 lock. Slowly steep some chicken skin in strong decoctions 

 of either for a week, and observe the results. 



6. You may make furniture, canes, and other articles 

 from crude limbs and branches. 



7. You may learn how to prune trees and shrubs for 

 form, flowers, or fruit, and so learn horticulture and 

 pomology. 



