164 THE FIRST BOOK OP BOTANY. 



What is the attitude of the trunk in Fig. 269 ? 



What is the form of the head ? 



Which are the longest the upper, lower, or 

 middle branches ? 



What is the direction of the branches ? 



Are the branches much subdivided ? 



What proportion of the trunk is below the lowest 

 branches ? 



Observe whether field-trees and forest-trees differ 

 in this respect. 



Answer the same questions in regard to Fig. 270. 

 Fig. 271. Fig. 272. Fig. 273. 



Which of these pictures represent definite trunks? 



Which indefinite trunks ? 



If the head of a tree is cone-shaped, which of its 

 branches are longest ? 



If the head is round, which are longest ? 



Mention all the differences you see between Figs. 

 269 and 270. 



Between Figs. 269 and 271. 



Between Figs. 269 and 272. 



Between Figs. 269 and 273. 



Which of the pictures shows the most compact 

 head? 



Are its branches more subdivided than the 



others ? 



% 



Now that you are somewhat acquainted with the 

 woody plants of your neighborhood, find among 

 them an evergreen and observe it carefully through- 

 out the year. Describe, in your note-book, its ap- 

 pearance in winter. Watch it in spring, and note 



