286 SOILS AND PLANT LIFE 



7. Why is cotton lint, or fiber, so extensively used by the 

 "masses"? 



8. In what kind of soil is flax usually grown ? 



9. What is the principal use of flax seed, and for what is the 

 fiber used? 



10. Describe the hemp plant and tell how it is harvested and 

 for what the fiber is chiefly used. 



