272 THE CULTIVATED EVERGREENS 



B. Direction of leaves not radially spreading, more or less pecti- 

 nate below: branchlets short, not or slightly pendent, 

 c. Branchlets glabrous: cone-scales thin, erose-denticulate. 

 D. Leaf not pungent, though often pointed, H~M inch 



long 25. P. jezoensis 



DD. Leaf pungent, rigid, ^^-1 inch long 26. P. sitchensis 



cc. Branchlets pubescent or the leading shoots glabrescent: 

 cone-scales stiff, appressed before maturity. 

 D. Color of branchlets yellow to orange-brown, the leading 

 ones usually glabrescent: winter-buds without sub- 

 ulate scales at base: leaves usually without distinct 

 green midrib above. 

 E. Leaf acutely pointed, often pungent, to ^ inch long . . 27. P. complanata 

 EE. Leaf obtusish or obtusely mucronulate. 



F. Cone-scales broadly cuneate-obovate, rounded at 

 apex: leaves %-% inch long, and about ^t inch 



broad 28. P. Sargentiana 



FF. Cone-scales rhombic, narrowed toward the truncate 

 and arose apex: leaves about % inch long, and 



about yj inch broad 29. P. ascendens 



DD. Color of branchlets brown, all pubescent: terminal win- 

 ter-buds with subulate scales at base: leaves with 



distinct green midrib above 30. P. Omorika 



BB. Direction of leaves more or less radially spreading: branchlets 

 long and pendulous. 

 c. Branchlets pubescent: leaves obtuse or obtusish, %-l 



inch long, not keeled 31. P. Breweriana 



cc. Branchlets glabrous: leaves pungent, 1-1 K inches long, 



slender, keeled on both sides 32. P. spinulosa 



Section I. Eupicea, Willk. {Morinda, Mayr) 



Leaves quadrangular, stomatiferous on all four sides: cone-scales firm, 

 closely appressed before maturity, usually entire and rounded at apex. 



1. P. Smithiana, Boiss. (P. Morinda, Link. P. Khuirow, Carr.). Hima- 

 layan S. Tree to 150 feet tall, with wide-spreading branches and slender 

 pendulous branchlets; bark brownish-gray, shallowly fissured; branchlets 

 gray, glabrous and lustrous; winter-buds ovoid, acute, up to 34 inch long: 

 leaves radially disposed, pointing forward, slender, usually higher than 

 broad, acute, bright or dark green, ^-2 inches long: fertile flowers purple: 

 cones 5-7 inches long, dark brown and glossy; scales suborbicular, with entire 

 margin, firm. Himalayas: Bhutan to Afghanistan. — Introduced to Europe 

 in 1818. Hardy as far north as New York. A very handsome spruce; young 

 trees are of broad-pyramidal habit with gracefully pendulous branchlets. 

 The young growth starts very early and is liable to be injured by frost in 

 spring, especially when planted in warm and damp situations. 



2. P. Schrenkiana, Fisch. & Mey. (P. obovata var. Schrenkiana, Carr.). 

 ScHRENK S. Tall pyramidal tree to 100 feet or more, with pendulous, gla- 



