314 



THE CULTIVATED EVERGREENS 



and usually confused with the preceding species and with P. sinensis. Hardy 

 probably only in the Southern States and California. 



22. P. resinosa, Ait. Red P. (Norway P.). Tree to 70, occasionally to 

 150 feet tall, with stout, spreading and sometimes pendulous branches forming 

 a broad pyramidal head when young and an open round-topped one in old 

 age; bark of trunk divided by shallow fissures; branchlets orange-color; 

 winter-buds ovoid, acuminate, light brown, resinous: leaves slender and 

 flexible, acute, dark green and lustrous, 4-6 inches long: conelet with obtuse 

 scales; cones subsessile, conic-ovoid, light brown, 1^-23^ inches long; 

 apophysis flattened, conspicuously keeled, obtuse, with small, dark, unarmed 

 umbo; seeds dark brown, % inch long. Newfoundland to Manitoba, south to 

 the mountains of Pennsylvania, to Michigan, Wisconsin, and Minnesota. — 

 Introduced to Great Britain about 1756. Hardy as far north as Saskatchewan. 

 Ornamental pine of vigorous growth, one of the best for northern gardens; 



also a valuable timber-tree. 



Var. globosa, Rehd. A dwarf 

 dense form of globose habit. Dis- 

 covered about 1910 in New Hamp- 

 shire. 



23. P. sylvestris, L. Scotch P. 

 (Scots P.). Fig. 84. Tree to 70 or 

 occasionally 120 feet tall, with 

 spreading, often somewhat pendulous 

 branches, pyramidal when young, 

 with broad and round-topped, often 

 picturesque head in old age; bark 

 on the upper part of the stem 

 bright red, thin and smooth, peeling 

 off in papery flakes, thick toward the 

 base, grayish or reddish-brown and 

 fissured into irregular, longitudinal, 

 scaly plates; branchlets dull grayish- 

 yellow; winter-buds oblong-ovoid, 

 brown, resinous, the scales free at 

 the apex: leaves rigid, acute, twisted, 

 bluish-green, 1^-3 inches long: 

 conelet reflexed with minutely muc- 

 ronate scales; cones short-stalked, 

 conic-oblong, grayish- or reddish- 

 brown, 13^-23/2 inches long; apo- 

 physis little thickened, slightly 

 84. Pinus sylvestris. keeled, only those near the base 



