ENUMERATION OF CONIFERS 



307 



fissured into small plates; branchlets greenish, glabrous, glaucous; winter- 

 buds cylindric-obovoid, acute, pale brown: leaves slender, flaccid, drooping, 

 grayish- or bluish-green, 6-8 inches long: cones cylindric, on 1-2 inch long 

 stalks, 6-10 inches long; seeds brown, 4 lines long. Himalayas, from Bhutan 

 to Afghanistan. — Introduced in 1827 to Great Britain. Hardy m sheltered 

 positions as far north as Massachusetts, but it occasionally suffers in a very 

 severe winter. Handsome tree of rather loose habit, with wide-spreading 

 branches and graceful pendulous foliage. 



11. P. monticola, Don. Western White P. Tree to 100 or occasionally 

 1.50 feet tall, with slender, spreading, somewhat pendulous branches forming 

 a narrow open pyramid; bark of young stems smooth and thin, light gray, 

 on old trees deeply divided into nearly square plates covered by small purple 

 appressed scales; branclilets puberulous, yellowish- or reddish-brown; win- 

 ter-buds ovoid, acute: leaves stiff, bluish-green and glaucous, l3/2~4 inches 

 long, with few inconspicuous or no lines on the back: cones short-ped uncled, 



