Distribution.—Western New England to central Michigan and south to Pennsylvania and southern Indiana.
A shrub or tree sometimes 9 meters (30 feet) high, with irregular ascending branches.
Specimens have been seen from Perry County, Deam's No. 27104.
17. Crataegus Gattíngeri Ashe. (Crataegus coccinea var. oligandra Torrey and Gray). Dr. Clapp's Thorn. Gattinger's Thorn. [Plate 93.] Spines numerous, 2.5-6 cm. (1-2 inches) long; leaves narrowly ovate to deltoid, 2.5-6 cm. (1-21/2 inches) long, 2-5 cm. (3/4-2 inches) wide, acuminate at the apex, broadly cuneate or rounded at the base, serrate or doubly serrate, lobed towards the apex, membranaceous, glabrous, dark green above; petioles glabrous, 2-3 cm. (3/4-11/4 inches) long; corymbs glabrous, many-flowered; flowers appear in May, about 2 cm. (3/4 inch) broad; stamens 10-20; anthers small, pink; styles and nutlets usually 3 or 4; fruit ripens in October, globose, angular, red, slightly waxy, 0.8-1.2 cm. (1/3-1/2 inch) thick, flesh hard; calyx tube prominent, the lobes triangular, spreading.
Distribution.—Southern Pennsylvania and southern Indiana to West Virginia and central Tennessee.
Shrub or small tree sometimes 4.5 m. (15 feet) high, with ascending, irregular branches.
Specimens seen from: Floyd (Dr. Clapp, before 1840); Knox (Schneck); Perry (Deam); Steuben (Deam); Wells (Deam).
18. Crataegus pruinòsa (Wendland) K. Koch. Waxy-fruited Thorn. [Plate 94.] Bark dark brown; spines numerous, slender, 3-6 cm. (11/4-21/2 inches) long; leaves elliptic-ovate to broadly ovate, 2.5-6 cm. (1-21/2 inches) long and wide, acute or acuminate at the apex, abruptly cuneate, rounded or occasionally cordate at the base, serrate or doubly serrate with 3 or 4 pairs of broad acute lobes towards the apex, blue-green, glabrous, membranaceous; petioles 2 or 3 cm. (3/4-11/4 inches) long, glabrous; corymbs glabrous, many-flowered; flowers appear in May, about 2 cm. (5/6 inch) broad; stamens 10-20; anthers pink or sometimes yellow or white; styles and nutlets 4 or 5; calyx lobes lanceolate-acuminate, entire, slightly serrate at the base; fruit ripens in October, depressed-globose to short-ellipsoidal, strongly angled, waxy, apple green, becoming scarlet or purple, 1.2-1.5 cm. (1/2-2/3 inch), thick, firm, yellow, sweet; calyx tube prominent, the lobes spreading, persistent.
Distribution.—Rocky, open woods, western New England to Michigan and south to North Carolina and Missouri. Well distributed in Indiana.