. Botany, an elementary text for schools. Botany. 288 THE KINDS OF PLANTS. 423. Pinus Austriaca. P. Austriaca, Hoss. Austrian pine. Fig. 423. Large tree with very rougli bark, and long, dark green stiff leaves (about 6 in. long) in 2's : cone about 3 in. long, the scales not prickly. Europe, commonly planted ; a coarser tree than the Scotch pine. PiCEA. Spruce. Trees of medium or large size, with short, scat- tered leaves : cones maturing the first year, hanging at maturity, their scales thin. P. exc61sa, Link. Norway spruce. Figs. 270, 27L Becoming a tall tree : cones 5-7 in. long, the large
. Botany, an elementary text for schools. Botany. 288 THE KINDS OF PLANTS. 423. Pinus Austriaca. P. Austriaca, Hoss. Austrian pine. Fig. 423. Large tree with very rougli bark, and long, dark green stiff leaves (about 6 in. long) in 2's : cone about 3 in. long, the scales not prickly. Europe, commonly planted ; a coarser tree than the Scotch pine. PiCEA. Spruce. Trees of medium or large size, with short, scat- tered leaves : cones maturing the first year, hanging at maturity, their scales thin. P. exc61sa, Link. Norway spruce. Figs. 270, 27L Becoming a tall tree : cones 5-7 in. long, the large scales very thin-edged. Eur., but the commonest of planted evergreens. Until 25 to 40 years old, the tre«s --^^}(f ^ are symmetrical cone-shaped specimens, holding their lower branches. P. nigra, Link. Black spruce. Fig. 424. Becom- ing a middle-sized tree, with dull, dark foliage : cones l}{ in. or less long, ^usually hanging for several years, the edges of the scales often irregular. Cold woods, as far south as North Carolina in the mountains. 3. TSUGA. Hemlock Spruce. Differs from Picea in having flat 2-ranked petioled leaves : cones hang- on the end of last year's branches. T. Canadensis, Carr. Hemlock. ^-•^- ^^""^"^ ^'^'"''• Fig. 425. Large forest tree, with deep-furrowed, dark bark and coarse wood: leaves whitish beneath : cones not an inch long, compact. Common lumber tree. Bark much used in tanning. 4. LARIX. Larch. Trees of mediiim size : leaves soft, short, in fascicles or clusters on short branchlets, falling in autumn: cones much like those of Picea, but standing erect at maturity. L. decidua. Mill. {L. Europiea, DC). European larch. Leaves 1 in. long: cones of many scales, about 1 in. long. Planted for orna- ment and timber. L. Americana, Miehx. Tama- rack. Hackmatack. Leaves shorter and pa-le in color : cones of few 425. Canadensis. ^^^^^^^ y^ .^^ ^^ j^^^ j^^^ Swamps. 5. THtrjA. Arbor-vit^. Trees, becoming large: leaves opposite, clo
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