PHYSIOLOGICAL PROCESSES IN PLANTS 107 



2. Try to determine the kinds of wood that compose the wood trim 

 of the room you are in. Notice the top of your desk, the floor boards, 

 trim of the wainscoting, etc. Compare with the diagram, page 138, 

 Hunter, Essentials of Biology, and determine how the wood was cut to 

 get the gram you see. 



How would you explain the marking of bird's-eye maple ? (Study 

 Figure of a knot, page 139, Hunter, Essentials of Biology.) 



3. Which of the above woods are cheap ? Expensive ? Why, in each 

 case? 



c. Government Field Work in Forestry 1 



Form 416 



SPECIES- 



Period covered by observations 



Name of observer 



Residence 



(State) (County) 



(Town) 



General character of country. Mountains ; foothills ; plains ; river 



valley ; seacoast. 

 Situation of trees. Level; slope (north, east, west, south); hilltop; 



river bottom ; soil (sandy, clayey, heavy, light, deep, shallow, moist, 



dry). 



(Please check the words which apply to your particular locality and to 

 the trees observed.) 



Approximate elevation above sea level 



Location of nearest Weather Bureau station 



State if season was wet or dry, early or late, etc '-. 



1 From the U. S Forest Service, U. S. Department of Agriculture. 



