. 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. Beadle's Wood-Thorn 461 ovate, 2.5 to 6 cm. long, 2.5 to 6 cm. wide, pointed or sharply pointed at the apex, abruptly wedge-shaped, rounded or sometimes heart-shaped at the base, doubly toothed, with three or four pairs of pointed lobes; young leaves thin but firm, smooth, blue-green; leaf-stalks shghtly winged above, glandular, 2 to 3 cm. long. The flowers are about 2 cm. broad, in few-flowered smooth corymbs; calyx-lobe
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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. Beadle's Wood-Thorn 461 ovate, 2.5 to 6 cm. long, 2.5 to 6 cm. wide, pointed or sharply pointed at the apex, abruptly wedge-shaped, rounded or sometimes heart-shaped at the base, doubly toothed, with three or four pairs of pointed lobes; young leaves thin but firm, smooth, blue-green; leaf-stalks shghtly winged above, glandular, 2 to 3 cm. long. The flowers are about 2 cm. broad, in few-flowered smooth corymbs; calyx-lobes triangular, long-pointed, remotely toothed, with red stalked glands; stamens 10 to 20; anthers light pink; styles 3 to 5. The fruit ripens late; it is de- pressed-globose, s-angled, 12 to 15 mm. thick, apple-green, becoming a rich pur- ple-red and covered with a waxy bloom; calyx-lobes erect, persisting; flesh firm, yellow, sweet, mealy, containing 3 to 5 nutlets, commonly 5, from 6 to 8 mm. long, ridged on the back, the nest 8 to 9 mm. thick. 20. BEADLE'S WOOD-THORN — Crataegus silvicola Beadle Cratmgus filipes Ashe. Cratcegus seqtuix Ashe. CraUzgus Robbinsiana Sargent This thorn occurs from western New England south to central Georgia and northern Alabama and west to southern Michigan. It is a tree sometimes 9 meters high, with ascending branches forming a small crown; the bark is slightly scaly; the twigs are reddish brown becoming ashy-gray, smooth, and are armed with chestnut-brown curved spines 3 to 5 cm. long. The leaves are triangular-ovate, 2 to 7 cm. long, 2 to 6 cm. wide, pointed or long-pointed at the apex, rounded or cut square, or, on the terminal shoots, heart-shaped at the base, doubly toothed, with three or four pairs of lobes, the lower lobes often cut; they m---'-m are dark yellow-green, paler beneath, ^ pii^ T thin and smooth; leaf-stalks glandular, i T T'U a I, i Fi"^- 410. — Beadle's Wood-Thorn. 1 to 2 cm. long. The flowers are about 2 cm. wide