. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 24 The Pines. Fig. 17. — Red Pine. slender and flexible, to 15 cm. long, minutely toothed, sharp, hard-tipped, marked on the ventral faces by faint bands of small stomata and containing many small resin-ducts beneath the epidermis and 2 fibrovascular bundles; they persist for three to five years. The staminate flowers appear in May, in dense spike-hke oblong clusters, 12 to 18 mm. long, the anthers dark purple; the p
. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 24 The Pines. Fig. 17. — Red Pine. slender and flexible, to 15 cm. long, minutely toothed, sharp, hard-tipped, marked on the ventral faces by faint bands of small stomata and containing many small resin-ducts beneath the epidermis and 2 fibrovascular bundles; they persist for three to five years. The staminate flowers appear in May, in dense spike-hke oblong clusters, 12 to 18 mm. long, the anthers dark purple; the pistillate flovi^ers are terminal, 2 or 3 together, stout-stalked, subglobose, 6 mm. long, their scales scarlet, broadly ovate, the apex reflexed. The cones are horizontal, 5 to 7 cm. long, nearly sessile, light brown and shining, soon shedding their seeds, but the cones persist until the follow- ing spring or summer; the unexposed por- tion of the scales is dull purple; the ends are transversely ridged, shghtly thickened, terminated by a spineless knob. The seed is oval, compressed, 3 mm. long, dark brown and mottled; the wing thin, bright brown, about 18 mm. long, broadest near the base and obUque; cotyledons 6 to 8. The wood is hard, rather close-grained, pale red with dark resin bands and passages; its specific gravity is about It is largely used for heavy construction, masts, and piles. The bark is rich in tannin and is sometimes used for tanning. It is a handsome tree in cultivation, being hardy and of very rapid growth, and is also known as Norway pine and Hard pine. 17. BULL PINE — Pinus ponderosa Lawson A tree of the western mountains from Montana and British Columbia to Cahfpmia, at and above an altitude of 600 meters, reaching a maximum height of 70 meters, with a trunk diameter of meters. The trunk is straight and stout, its branches short and thick, much forked and often pendulous, usually ascending at the tips, forming a regular narrow conic tree; in
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