G. 93] CLASSIFICATION AND DESCRIPTION 178 
4. Pinus monticola, Dougl. (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 134 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. 
P. monticola. 
5. Pinus fléxilis, 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, subeylindric, tapering 
to the end, semipendulous, clustered. 
Seales thick, woody, obtuse, loose, 
144 in. broad, yellowish brown. Seeds 
rather large, with rigid margins instead 
é of wings. A handsome hardy tree from 
P, fiéxilis, the Pacific Highlands, occasionally cul- 
tivated. Itresembles the eastern White 
Pine, but is more compact and of a darker 
eolor. 
6. Pinus Cémbra, L. (CEmMBRaA 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 214 in. by 2 in., ovate, erect, 
with obtuse, slightly hooked, but pointless 
seales. Seeds as large as peas and destitute 
of wings. A slow-growing, cultivated tree, 
40 to 80 ft. high. Worms a regular cone; 
branches to the ground; Europe; hardy 
throughout. P, Cémbra, 
