. 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. White Bark Pine 13. Fig. 7. — While Bark Pine. maximum height is 18 meters, with a trunk diameter of meters, but it is often reduced at the highest aUitudes to a spreading shrub. The branches are stout and flexible, in regular whorls forming a compact cone; ver\' old trees are often irregular and round-headed. The bark is about 12 mm. thick, narrowly fissured into light brown or whitish scales, which on falling expose
. 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. White Bark Pine 13. Fig. 7. — While Bark Pine. maximum height is 18 meters, with a trunk diameter of meters, but it is often reduced at the highest aUitudes to a spreading shrub. The branches are stout and flexible, in regular whorls forming a compact cone; ver\' old trees are often irregular and round-headed. The bark is about 12 mm. thick, narrowly fissured into light brown or whitish scales, which on falling expose a reddish inner layer; on younger stems it is much thinner and almost white. The twigs are stout, smooth or nearly so, except for the persistent bud- scales, orange-colored or dark reddish brown. The branch-buds are broadly ovate, sharp-pointed and covered by loosely imbricated pale brown scales; they are 12 mm. long, or the lateral ones much smaller. The leaves are in fasci- cles of 5, the sheaths soon disappearing; they are dark green, stout and stiff, shghtly curved, 4 to cm. long, sharply stiff-pointed and entire, marked with i to 3 rows of stomata on the upper faces and contain 2 resin passages and a single fibrovascular bundle; they are crowded at the ends of the otherwise naked branches and persist for five to eight years. The flowers open in July, the staminate, in short spike-hke clusters surrounding the ends of the twigs, are oval, about 10 mm. long, their anthers scarlet. The pistillate flowers are oblong, about 8 mm. in diameter and sessile, clustered at the apex of the twigs, their scales bright scarlet. The young cones grow very slowly the first season, but more rapidly the second summer, becoming horizontal and mature by the end of September, oval or subglobose, 8 to 10 cm. long and pur- ple; they seldom open, but remain closed for some time, after which they break up; the ends of the much thickened scales gradually taper and contract on both sides into a
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkhholtandco
