154 



longer than they do in the others we have examined ? Study 



the cones of these and other pines. 



The Scotch and Austrian pines are not native to this country, 



but are much grown for ornament. They can be found in almost 



any park, and in many other places where ornamental trees are 



grown. 



THE NORWAY SPRUCE. 

 The leaves of spruce trees are borne very differently from 



those of the pines. Instead of being in clusters of two or more, 



they are single 

 and without a 

 sheath at the 

 base; neither are 

 there scale-like 

 bodies on the 

 branches where 

 the leaves are 

 borne. Notice, 

 too, that the 

 leaves have a 

 very short stem 

 or petiole. 



The leaves of 

 the Norway 

 spruce are about 

 one inch long, 

 although the 

 length varies 

 more or less in 

 different parts of 

 the tree and in 

 different trees. 

 They are rather 

 stiff and rigid 

 45. Austrian pine. One-third natural size. and sharp- 



pointed. In a general way, the leaves are four-sided, though 

 indistinctly so. 



It will be interesting to study the position which the leaves 



