0.03] 



CLASSIFICATION AND DESCRIPTION 



173 



4. Plnus monticola, Dough (MOUN- 

 TAIN-PINE.) Leaves in fives, 3 to 4 

 in. long, from short, overlapping, very 

 deciduous sheaths; smooth, glaucous 

 green. Cones 7 in. long and 1% in. 

 in diameter, cylindric, smooth, ob- 

 tuse, short-peduncled, resinous, with 

 loosely overlapping, pointless scales. A 

 large tree, 60 to 80 ft. high, resembling 

 the White Pine, and often considered 

 a variety of it, but the foliage is denser ; 

 Pacific coast. 



Pine, 

 color, 



5. Plnus fl6xilis, James. (WESTERN 

 WHITE PINE.) Leaves 2 to 3 in. long, 

 rigid, entire, acute, densely crowded, 

 sharp-pointed, of a rich dark green 

 color, 5 together in lanceolate, decid- 

 uous sheaths. Cones 4 to 6 in. long 

 and half as wide, subcylindric, tapering 

 to the end, semipendulous, clustered. 

 Scales thick, woody, obtuse, loose, 

 1J^ in. broad, yellowish brown. Seeds 

 rather large, with rigid margins instead 

 of wings. A handsome hardy tree from 

 the Pacific Highlands, occasionally cul- 

 tivated. It resembles the eastern White 

 but is more compact and of a darker 



6. Plnus C6mbra, L. (CEMBRA PINE. 

 Swiss STONE-PINE.) Leaves 3 to 4 in. long, 

 from a medium-sized deciduous sheath ; tri- 

 angular, rigid, slender, straight, crowded, 

 dark green with a glaucous surface ; 5 to- 

 gether. Cones 2% in. by 2 in., ovate, erect, 

 with obtuse, slightly hooked, but pointless 

 scales. Seeds as large as peas and destitute 

 of wings. A slow-growing, cultivated tree, 

 40 to 80 ft. high. Forms a regular cone; 

 branches to the ground ; Europe ; hardy 

 throughout. 



