66 



FOUNDATIONS OF BOTANY 



FIG. 32. Excurrent Trunks of Big Trees 

 (Sequoias). 



over five spaces before 

 coming to a leaf which 

 is over the first, and in 

 doing this it is necessary 

 to make two complete 

 turns round the stem 

 (Fig. 105). 



82. Growth of the Ter- 

 minal Bud. In some 

 trees the terminal bud 

 from the very outset 

 keeps the leading place, 

 and the result of this 

 mode of growth is to 

 produce a_slender, up- 

 right tree, with an excur- 

 rent trunk like that of 

 Fig. 32. 



In such trees as the 

 apple and many oaks the 

 terminal bud has no pre- 

 eminence over others, and 

 the form of the tree is 

 round-topped and spread- 

 ing, deliquescent like that 

 in Fig. 33. 



Most of the larger for- 

 est trees are intermediate 

 between these extremes. 



Branches get their 

 characteristics to a 



