TREE FOKMS. 55 



most cases, and in some cases quite, rectangular. 

 Being abundant and parting from the branches 

 on the same principle, the twigs and spray form 

 a complete canopy of interlacement, and when the 

 tree is looked up into from underneath, a very 

 elegant appearance is produced, which has a 

 beautiful effect. The bark on the trunk, even of 

 large Cherry Trees, is smooth, except in places 

 where it has peeled off, though by a curious 

 arrangement the splitting of the bark takes place 

 not longitudinally but horizontally, and looks at a 

 distance like a number of rings investing the trunk. 

 The roots near the trunk often, for a distance 

 of several feet, rise above the ground, and thus 

 serve to increase tlje especial picturesqueness of 

 this tree. Sometimes the trunk, as in the speci-^ 

 men facing page 112, parts in two at a very 

 acute angle, and each fork rises so erect— each 

 giving off branches from time to time — from the 

 point of division as not, in the smallest degree, to 

 detract from the very symmetrical appearance of 

 the tree. 



Ruggedness and picturesqueness are the cha- 

 racteristics of a well-grown Acacia. The bole, 



