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 in several-flowered smooth corymbs, the calyx-lobes broadly triangu- 

 lar, long-pointed, sometimes slightly hairy; stamens about 10; anthers pink; styles 



3 to 5. The fruit ripens late; it is subglobose, about 15 mm. thick, greenish red, 

 sometimes becoming cherry- red, slightly waxy when young; calyx-lobes spreading; 

 flesh firm, yellow or reddish yellow, mealy; it contains 3 to 5 nutlets 6 to 8 mm. 

 long, ridged on the back, the nest of nutlets 6 to 10 mm. thick. 



