282 FAMILIAR TREES AND THEIR LEAVES. 



the species. There are three species common in the 

 northeastern section of the country — the red, black, 

 and white. The most interesting one of these is the 



red spruce.* This tree is familiar 

 to those who may have climbed the 

 granite hills of Xew Hampshire ; nowhere else has 

 the spruce seemed to me quite so impressive, for in 



Red Sprues. 



Plcea rubra. 

 Picea rubens. 



Red Spruce. 



* Botanists differ in opinion about the red spruce; some con- 

 sider it a variety of the black spruce. In the Manual, Gray fol- 

 lows Englemann's name, Picea nigra, var. rubra. 



