ENUMERATION OF CONIFERS 



279 



Norway spruce, with pendent branchlets; grows best in colder and mountain- 

 ous regions, but is little known in cultivation. 



Var. fennica, Henry (P. excelsa vaT.fejinica, Schroet.var. 7»ec??o.T?'»m,WilIk.). 

 Leaves dark green: cone-scales rounded, finely denticulate. Northern Europe. 



Var. alpestris, Henry {P. excelsa var. alpcstris, Bruegg.). Slow-growing 

 compact tree; young branchlets densely short-pubescent: leaves obtuse or 

 acutish, }4-% uich long, bluish- or grayish-green: cones 3-5 inches long. 

 Resembles in habit and foliage somewhat P. glauca. European Alps at high 

 altitudes. 



12. P. orientalis, Carr. Oriental S. Fig. 

 72. Tree to 100 or occasionally to 150 feet 

 tall, with ascending and spreading branches 

 and somewhat pendulous branchlets; bark 

 brown, scaly; branchlets brown, pubescent; 

 winter-buds acute, brown, the terminal bud 

 at base with a few acuminate keeled scales: 

 leaves thick, obtuse, \-% inch long, dark 

 green and shining, crowded and more or less 

 appressefl to the branches: flowers carmine: 

 cone cylindric-ovate, 23/^-33^^ inches long, less 

 than 1 inch thick; scales orbicular, entire at 

 the margin. Caucasus, Asia Minor. — Intro- 

 duced into Europe in 1837. Hardy as far 

 north as southern Ontario and New England. 

 A very graceful spruce with dark glossy foli- 

 age; of slow growth and therefore valuable 

 for smaller gardens. It holds its lower linil)s 

 for many years. 



Var. aureo-spicata, Beiss. Yellowtip 

 Oriental S. Young leaves yellow, chang- 

 ing later to green. 



Var. nana, Carr. (var. compada, Hort.). 

 Low form of broadly pyramidal habit, with 

 wide-spreading branches. 



13. P. Meyeri, Rehd. & Wils. Medium-sized tree; branclilets yellowish or 

 light brown, densely pubescent or rarely nearly glabrous, often densely pu- 

 bescent one year and the continuation of the same branch glabrescent the fol- 

 lowing year; winter-buds conical, light brown, resinous, the scales at the base 

 of the terminal bud acute and pubescent: leaves quadrangular, obtusish, often 

 curved, 3^3-^:4 inch long, bluish-green: cone cylindric-oblong, 23^-3 inches long, 

 lustrous brown, with obovate rounded scales. Northern China. — Introduced in 

 1910 by Wm. Purdom to the Arnold Arboretum where it has proved hardy. 



72. Picea orientalis. 



