. 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. 7. PHILADELPHIA THORN —Cratsegns pansiaca Ashe Eastern Pennsylvania is the home of this species. It is a tree from 6 to 8 meters high, with spreading branches forming a flat or round crown; the bark is dark brown, scaly; the young twigs are orange-green, becoming grayj and bear numerous stout, curved, light Jjrown spines from 4 to 6 cm. long; the trunk sometimes has branched spines 3 dm. long. The leaves are oblanceolate-
. 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. 7. PHILADELPHIA THORN —Cratsegns pansiaca Ashe Eastern Pennsylvania is the home of this species. It is a tree from 6 to 8 meters high, with spreading branches forming a flat or round crown; the bark is dark brown, scaly; the young twigs are orange-green, becoming grayj and bear numerous stout, curved, light Jjrown spines from 4 to 6 cm. long; the trunk sometimes has branched spines 3 dm. long. The leaves are oblanceolate- obovate, 3 to 6 cm. long, to 4 cm. wide, sharp-pointed to rounded at the apex, wedge-shaped at the base, doubly toothed above, dark yellow-green with impressed veins on the upper surface, paler be- neath, slightly hairy when young, becoming smooth except on the veins beneath, thin; leaf-stalks wing-margined, i to 2 cm. long,. Fig. 396. — Philadelphia Thorn. The flowers are. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton, Nathaniel Lord, 1859-1934; Shafer, John Adolph. New York : H. Holt and Co.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkhholtandco
