CRATÆGUS JESUPI Sargent. Jesup's Thorn. (× 1/2.)
14. Crataegus Jésupi Sargent. Jesup's Thorn. Twin Mountain Thorn. [Plate 90.] Bark grayish-brown; spines stout, straight 2-4 cm. (3/4-11/2 inches) long; leaves elliptical-ovate, 3.5-7 cm. (11/2-3 inches) long, 2-5.5 cm. (1-2 inches) wide, acute or acuminate at the apex, broadly cuneate to truncate-cordate, serrate or doubly serrate, with 4 or 5 pairs of acute lobes, yellow-green above, paler beneath, glabrous; petioles slender, 2-3.5 cm. (3/4-11/2 inches) long, slightly winged above; corymbs glabrous, many-flowered; flowers appear in May, about 2 cm. (5/6 inch) broad; stamens about 10; anthers dark red; styles and nutlets usually 3 or 4; calyx lobes entire; fruit ripens in October, short-ellipsoidal to pyriform, dark red, slightly angled, lacking bloom when mature, about 1 cm. (3/8 inch) thick, flesh yellow, firm; calyx lobes mostly deciduous.
Distribution.—Western Vermont, to southwestern Wisconsin and south to Pennsylvania and Owen County, Indiana.
A shrubby tree, sometimes 6 m. (20 feet) high, with ascending branches and a round crown.
Specimens examined: Owen (Mrs. Chas. C. Deam).
15. Crataegus rugòsa Ashe. (Crataegus deltoides Ashe). Fretz's Thorn. [Plate 91.] Spines numerous, 3-6 cm. (11/4-21/2 inches) long, stout curved; leaves broadly ovate, 3-7 cm. (1-23/4 inches) long and broad, acute or acuminate at the apex, cordate or truncate at the base, serrate or twice serrate with 4-6 pairs of broad acuminate lobes, glabrous, membranaceous; petioles 1-3 cm. (3/8-11/4 inches) long, glabrous; corymbs many-flowered, glabrous; flowers appear in May, about 2 cm. (5/6 inch) broad; stamens 10-20; anthers pink; styles and nutlets usually 4 or 5; calyx lobes deltoid-acuminate, entire or slightly serrate at the base; fruit ripens in October, depressed-globose, bright red, angular, glabrous, waxy, 1-1.5 cm. (1/2-2/3 inch) thick, flesh yellow, somewhat succulent; calyx lobes persistent, spreading, the tube rather prominent.
Distribution.—Southwestern New England to southern Indiana and the mountains of North Carolina.
A shrub or tree sometimes 6 m. (20 feet) high, with ascending branches and an irregular crown.
Specimens examined: Allen (Deam); Decatur (Deam); Grant (Deam); Jennings (Deam); Owen (Deam); Perry (Deam); Wells (Deam).