ong, and pendent at
maturity, with the scales slightly incurved. A large tree, 70 to 120 ft.
high, of vigorous growth, with numerous, stout, drooping branches;
abundant in cultivation. A score of named varieties are sold at the
nurseries, some quite dwarf, others so very irregular in shape as to be
grotesque.

[Illustration: P. polita.]

4. =Picea polita=, Carr. (TIGER'S-TAIL SPRUCE.) Leaves 1/2 to 3/4 in.
long, strong, rigid, sharp-pointed, somewhat curved, glabrous, bright
green, on stout branches with prominent buds. Leaves persistent for 7
years; not 2-ranked. Cones 4 to 5 in. long, spindle-shaped elliptical,
rounded at the ends. Tree of slow growth, with horizontal,
yellowish-barked branches. As it is a tree of recent introduction (1865)
from Japan, there are no large specimens. Hardy at Boston.

[Illustration: P. pungens.]

5. =Picea pungens=, Eng. (SILVER SPRUCE.) Leaves 1/2 to 1 in. long,
broad, rigid, stout, sharply acute, usually curved, pale green above,
silvery-glaucous beneath, on smooth and shining branchlets. Cones very
abundant, 3 to 5 in. long, cylindric, with elongated, undulated, retuse
scales. A strictly conical tree with spreading branches and thick,
smooth, gray bark. Sometimes cultivated; from the Rocky Mountains.
Hardy.

[Illustration: P. Morinda.]

6. =Picea Morinda=, Link. (HIMALAYAN SPRUCE.) Leaves 1 to 2 in. long,
very sharply acute, pale green color, spreading, 4-sided, straight,
rigid, slightly glaucous beneath; branches horizontal; branchlets
remotely verticillate, numerous, drooping, with light-colored bark.
Cones 6 to 7 in. long, ovate-oblong; scales light brown, oblong, entire,
smooth, loosely imbricated. A tall tree, cultivated from eastern Asia
and not hardy north of Washington except in sheltered positions.

[Illustration: P. Alcoquina.]

7. =Picea Alcoquina=, Lindl. (ALCOCK'S SPRUCE.) Leaves 1/4 to 3/4 in.
long, crowded, somewhat 4-sided, flattish, recurved, obtusely rounded
at tip, deep green above, whitish or yellowish below. Cones 2 to 3 in.
long, 1 in. in diameter, reddish fawn-color, with very persistent
scales; scales wedge-shaped at base, rounded at tip. A large tree from
Japan; fully hardy as far north as Mass.

[Illustration: P. orientalis.]

8. =Picea orientalis=, L. (EASTERN OR ORIENTAL SPRUCE.) Leaves very
short, 1/2 in. long, 4-sided, rigid, stout, rather obtuse, dark shining
green, entirely surrounding the branches. Cones 2 1/2 to 3 in. long,
cylindrical,