7. Pìcea Alcóquina, Lindl. (Alcock's Spruce.) Leaves ¼ to ¾ 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.

P. orientàlis.

8. Pìcea orientàlis, L. (Eastern Or Oriental Spruce.) Leaves very short, ½ in. long, 4-sided, rigid, stout, rather obtuse, dark shining green, entirely surrounding the branches. Cones 2½ to 3 in. long, cylindrical, with soft, thin, loose, rounded scales, uneven on the edges. A beautiful, conical, slow-growing, compact tree, reaching the height of 75 ft.; often cultivated; from the Black Sea. Hardy.

Genus 95. TSÙGA. (Hemlocks.)

Leaves evergreen, scattered, flat, narrowed to a green petiole, appearing 2-ranked by the direction they take, whitened beneath. Fertile catkins and cones on the end of last year's branchlets. Cones pendulous, maturing the first year; scales thin, persistent.

T. Canadénsis.

1. Tsùga Canadénsis, Carr. (Common Hemlock.) Leaves short-petioled, linear, ½ in. long, obtuse, dark green above and white beneath; the young leaves in the spring a very light green. Cones oval, ½ to ¾ in. long, pendent, of few (20 to 40) scales. A large, very beautiful tree, 50 to 80 ft. high, abundant in rocky woods, and cultivated throughout; spray light and delicate.