172 



TREES OF THE NORTHERN UNITED STATES 



1. Plnus exc61sa, Wallich. (BnoTAN 

 PINE.) Leaves in fives, from short, fu- 

 gacious, overlapping, membranaeeous 

 sheaths, 6 to 7 in. long, very slender, of a 

 glaucous-green color, and very pendu- 

 lous. Cones 6 to 9 in. long, and 2 in. 

 in diameter, drooping and clustered, 

 with broad, thick, wedge-shaped scales. 

 A large beautiful tree from southern 

 Asia, much subject to blight when 

 planted in this country. Owing to its 

 peculiar drooping branches it has been 

 called the Weeping Fir. 



2. Plnus Lambertiana, Douglas. 

 (LAMBERT'S or SUGAR PINE.) Leaves 

 in fives, 3 to 4 in. long, from short, de- 

 ciduous sheaths. Cones 12 to 18 in. 

 long and 3 to 4 in. in diameter, gradu- 

 ally tapering to a point, on stalks 3 in. 

 long, brown and pendulous when ripe, 

 without resin ; seeds large, oval, nearly 

 1 in. long N edible. A very large tree 

 (100 to 300 ft. high in California and 

 northward), and seemingly hardy and 

 well worth cultivation in the East. 

 Wood white and soft like that of the 

 White Pine. 



P. Lamberti&na. 



3. Plnus Str6bus, L. (WHITE PINE. 

 WEYMOUTH PINE.) Leaves in fives, 3 

 to 4 in. long, from a loose, deciduous 

 sheath; slender, soft, and whitish on 

 the under side. Cones 4 to 6 in. 

 long, cylindric, usually curved, with 

 smooth, thin, unarmed scales. Tall (100 

 to 150 ft. high), very useful tree, of 

 white, soft wood nearly free from resin 

 and more extensively used for lumber 

 than any other American tree. Has 

 been common throughout, but is get- 

 ting scarce on account of its consump- 

 tion for lumber, 



