STEMS 
65 
of the tree must depend largely on the arrangement of 
leaves along the stem. 
80. Opposite Branching. — In trees the leaves and buds 
of which are opposite, the tendency will be to form twigs 
in four rows about at right angles 
to each other along the sides of 
_ the branch, as shown in Fig. 30. 
This arrangement will not usu- 
ally be perfectly carried out, since | 
some of the buds may never grow, 
‘ Wi ) | / ifr i 
7 : | 1, f 
F Hi ” Ey et YG 
1 
Fic. 31. — Alternate 
Branching in a very 
Young Apple Tree. 
may wind more or less rapidly round the stem. 
or some may 
grow much 
faster than 
others and _ so 
make the plan 
of branching less 
evident than it 
would be if all 
grew alike. 
81. Alternate 
Branching. —In 
Fic. 30.— Opposite Branching 
in a very Young Sapling 
of Ash. 
trees like the beech the twigs will be 
found to be arranged in a more or less 
regular spiral line about the branch. 
This, which is known as the alternate 
arrangement (Fig. 31), is more com- 
monly met with in trees and shrubs 
than the opposite arrangement. 
It ad- 
mits of many varieties, since the spiral 
In the 
apple, pear, cherry, poplar, oak, and walnut, one passes 
