. Nord America : alberi essendo descrizioni e illustrazioni degli alberi che crescono in modo indipendente di coltivazione in America del Nord, a nord del Messico e le Indie occidentali . Alberi. Carolina Poplar 177 abbia avuto origine in qualche modo da quella specie. Campioni di 50 metri di altezza è stato conosciuto in Francia. I rami sono tutti caratteristicamente in posizione verticale. La corteccia di alberi secolari è grigio e il marrone e profondamente solcato. I giovani ramoscelli sono ohve-verde, diventando grigio, le gemme appuntite e da 6 a 8 mm. a lungo. Le foglie sono di forma triangolare- ovali per rombiche, dentata quasi tutto intorno, liscia su entrambi i lati e 4 a 10 cm.

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. 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. Carolina Poplar 177 to have originated in some way from that species. Specimens 50 meters high have been known in France. The branches are all characteristically upright. The bark of old trees is gray to brown and deeply furrowed. The young twigs are ohve-green, becoming gray, the buds pointed and 6 to 8 mm. long. The leaves are triangular- ovate to rhombic, toothed nearly all around, smooth on both sides, and 4 to 10 cm. long when mature, rather thin, bright green above, paler beneath, pointed or long-pointed, the base broadly wedge-shaped to truncate; the slender leaf-stalks are as long as the blades or somewhat shorter, and flat- tened sideways. The catkins resemble those of the Black poplar, but the stanunate ones are more slender. The , 1 . 11 1 Fig. 134. — Lombardy Poplar, capsules are very short-stalked. The tree is of rapid growth but of short duration, individuals over fifty years old being usually very ragged. Its wood is described as similar to that of the Black poplar but of inferior quality.. 14. CAROLINA POPLAR — Populus deltoides Marshall This Cottonwood of eastern North America, also called Necklace poplar, on account of its long necklace-hke ripe fruiting catkins, in- habits moist soil, especially the banks of streams and lakes, from Quebec westward to Manitoba, south to Florida and Tennessee; it is not, however, common near the Atlantic coast. The tree attains a maximum height of about 45 meters, with a trunk diameter of 2 meters or more; its hmbs are large, thick, and spreading, the diameter of old individu- als being often as great as their height. The bark is gray or gray-green, that of young trees thin and smooth, that of old ones thick and fissured, with rounded ridges. The young twigs are rather stout, smooth, yellow- ish green and shining, becoming gray. The pointed

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1900
• bookpublishernewyorkhholtandco