134 TREES OF MINNESOTA. 



as the Scotch Pine nor will it make as fast a growth when 

 young, but is longer lived than the Scotch Pine and in. 

 fifteen years will make a much larger and more ornamental 

 tree. Within and near its range it is very valuable for orna- 

 mental purposes. 



The White Pine yields the most useful timber of the 

 American forests, it being especially valuable for sash, doors, 

 blinds, shingles, etc., and for a general purpose timber in 

 building. From the bark is obtained the compound syrup of 

 White Pine now largely used in the United States as an- 

 expectorant. 



Pinus flexilis. Western White Pine. 



Leaves 5 in a sheath, somewhat rigid, sharp pointed and 

 densely crowded on the branchlets, falling during fifth and 

 sixth years. Cones cylindrical, tapering, 3 to 5 inches long, 

 light brown; scales thick, li inches broad; seeds i to i inch 

 long with 6 to 9 cotyledons. A handsome tree about 50 feet 

 high, resembling the Common White Pine, but of closer, 

 stiffer habit and darker foliage. 



Distribution. Mountain ranges from Alberta to Western. 

 Texas, New Mexico, Arizona and California. 



Propagation. By seeds. 



Properties of wood. Light, soft, close grained, compact; 

 color light clear yellow turning red on exposure; sapwood 

 nearly white. Specific gravity 0.4358: weight of a cubic foot 

 27.16 pounds. 



Uses. The Western White Pine is a handsome tree that is 

 little known in cultivation, but promises to be of value for 

 ornamental planting and is doing very well at the Minnesota 

 Experiment Station, where it has been growing six years. 



Pinus resinosa. Norway Pine. Red Pine, 



Leaves 5 to 6 inches long, nearly cylindrical; in pairs 

 from long close sheaths, falling during fourth and fifth sea- 

 sons. Cone ovoid conical with rounded base, about two 

 inches long, falling after shedding the seeds; scales of cone 

 slightly thickened at the end without any prickly points; seeds 

 i of an inch long with from 6 to 8 cotyledons. A very hand- 

 some, rapid-growing, robust tree with a straight, uniform 



