2. Crataegus cuneifórmis (Marshall) Eggleston. (C. pausiaca Ashe). Marshall's Thorn. [Plate 78.] Bark dark brown, scaly; spines numerous, 2-18 cm. (3/4-7 inches) long; leaves oblanceolate-obovate, acute at the apex, cuneate at the base, serrate or doubly serrate 3-6 cm. (1/2-11/2 inches) wide, dark vivid yellow-green, glabrous and impressed veined above when mature, subcoriaceous; petioles 1-2 cm. (3/8-3/4 inch) long, slightly winged above; corymbs usually slightly pubescent, many flowered; flowers appear in May, 1.2-1.5 cm. (1/2-2/3 inch) wide; calyx lobes lanceolate-acuminate, entire; stamens, 10-15; anthers dark pink; styles and nutlets 2-4; fruit ripens in October, ellipsoidal-pyriform, scarlet or dark red, about 8 mm. (3/8 inch) thick, flesh hard, thick.
Distribution.—Western New York and Pennsylvania to southwestern Virginia, west to central Illinois.
CRATAEGUS CRUS-GALLI Linnæus. Cock-spur Thorn. (× 1/2.)
CRATAEGUS CUNEIFORMIS (Marshall) Eggleston. Marshall's Thorn. (× 1/2.)