PROBLEM 82 



97 



the figures and compare with the specimens of wood just noted. 

 Can you observe any differences in color of the wood ? 



Conclusion. — 1. What is the common method of cutting wood 

 for trim? Why? 



2. Does most dried wood show any difference between heart 

 and sap wood? What is this difference ? 



Problem 81 : To determine some uses of stems. 



Method. — See Chap. X, page 133, Hunter's Essentials of 

 Biology, or Chap. IX, page 105, Hunter's Civic Biology. After 

 reading carefully fill in the following table : 



Conclusion. 



to man. 



Write a paragraph summing up the uses of stems 



Problem 82 : To determine the value of certain woods. 



Method. — Find out as many woods as you can that are of 

 value because of properties listed in the following table and record 

 in proper column. See Chap. X, Hunter's Essentials of Biology, 

 or Chap. IX, Hunter's Civic Biology. After reading your text, 

 or taking a trip to a commercial museum, fill out the table 

 on page 98. 



HUNTER LAB. PROB. 7 



