. Selected western flora : Manitoba, Saskatchewan, Alberta . Botany; Botany; Botany. 6 SELECTED WESTERN FLORA 1. L. laricina, (Du Roi) Koch. Tamarack, Hackmatack. Cones roundish, consisting of a few scales. A slender tree with reddish bark and hard resinous wood. (£. Americana, Michx.) Swamps, Alta. , 3. PICEA. Spruce. Leaves about | in. long, scattered on all sides of the stem, needle- shaped, stiff; cones pendulous, maturing the first year; otherwise resembling Pinus. 1. P. canadensis, (Mill.) B. S. P. White Spruce. Branchlets smooth, leaves slender, somewhat pale green; cones cylindri
. Selected western flora : Manitoba, Saskatchewan, Alberta . Botany; Botany; Botany. 6 SELECTED WESTERN FLORA 1. L. laricina, (Du Roi) Koch. Tamarack, Hackmatack. Cones roundish, consisting of a few scales. A slender tree with reddish bark and hard resinous wood. (£. Americana, Michx.) Swamps, Alta. , 3. PICEA. Spruce. Leaves about | in. long, scattered on all sides of the stem, needle- shaped, stiff; cones pendulous, maturing the first year; otherwise resembling Pinus. 1. P. canadensis, (Mill.) B. S. P. White Spruce. Branchlets smooth, leaves slender, somewhat pale green; cones cylindri- cal, deciduous. A fine tree with white wood, much used for both timber and decoration. (P. alba, Link.) Wet or sandy places, 2. P. mariSna, (Mill.) B. S. P. Black Spruce. Branchlets pubescent, leaves shorter, S^^^^S^^^^^^^iS^^ stouter, and darker green than in the preceding; cones smaller, almost glob- ular, persistent. A valuable tree much resembling the preceding and found Fig. 8. — Picea mariana. in the same range. (P. nigra. Link.) 3. P. Engelmlnnii, (Parry) Engelm. Leaves J-1 in. long, four cornered, distributed singly and evenly along the branches; branchlets slightly pubescent; cones oval, about 2 in. long, the scales thin and blunt. A tall conical tree with reddish bark, but becoming shrubby at high elevations. Rocky Mts. 4. ABIES. Fib. Leaves flattened, arranged on two sides of the branch; cones erect, maturing the first year, deciduous. 1 . A. bals&mea (L.) Mill. Balsam. Leaves narrowly linear; cones cylindrical, violet-colored when immature. A conical shaped tree with rather smooth, gray bark, containing numerous blisters of resinous juice. E. and N. Man. to Lat. 58° and north-westward. 5. THUJA. Aebor ViTiB. Leaves appressed, imbricated, some awl-shaped and others scale-like; cones of few scales, spreading at ma- turity. 1. T. occidentilis, L. White Cedar. Leaves appressed in 4 rows on flat branchlets; scales of cones blunt. A Fig. 9. — Thuja
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1915
