=10. Crataegus víridis= Linnæus. Southern Thorn. Plate 86. Bark gray to light orange; spines uncommon, 2-5 cm. (3/4-3-1/4 inches) long; leaves oblong-ovate, 2-8 cm. (3/4-3-1/4 inches) long, 2-5 cm. (1/2-2 inches) wide, acute, acuminate or even obtuse at the apex, serrate or doubly serrate, often with acute or obtuse lobes towards the apex, dark green, shining and slightly impressed veined above, sometimes pubescent along the veins beneath; petioles 1-2 cm. (3/8-3/4 inch) long, slightly winged above; corymbs glabrous, many flowered; flowers appear in May, 1-1.5 cm. (1/2-2/3 inch) broad; stamens about 20; anthers usually yellow, sometimes pink; styles and nutlets 4 or 5; calyx lobes lanceolate-acuminate, entire, slightly pubescent inside; fruit ripens in October, globose or compressed-globose, bright red or orange, glaucous, 4-6 mm. (1/4 inch) thick, flesh thin, hard, edible. =Distribution.=--Moist, alluvial soil along streams and lakes, southeastern Virginia to northern Florida and southwestern Indiana to eastern Kansas and Texas. A tree from 6-11 m. (20-35 feet) high, with ascending branches and a broad crown. Specimens have been examined from the following counties: Dubois (Deam); Gibson (Schneck), (Deam); Knox (Schneck); Posey (Deam). =11. Crataegus nítida= (Engelmann) Sargent. Shining Thorn. Plate 87. Bark dark and scaly; spines occasional, 3-5 cm. (1-2 inches) long; leaves oblong-ovate to oval, 3-8 cm. (1-1/4-3 inches) long, 2-6 cm. (3/4-2-1/4 inches) wide, acute at the apex, cuneate at the base, coarsely serrate or twice serrate with acute lobes towards the apex, dark green and shining above, glabrous; petioles 1-2 cm. (3/8-3/4 inch) long, slightly winged above, slightly villous when young; corymbs glabrous, many-flowered; flowers appear in May, 1.2-2 cm. (1/2-3/4 inch) broad; stamens about 20; anthers light yellow; styles and nutlets 3-5; calyx lobes lanceolate-acuminate, entire; fruit ripens in October, globose to short-ellipsoidal, dark dull red, 6-9 mm. (1/4-1/2 inch) thick; flesh yellow, mealy, hard. =Distribution.=--River bottoms southwestern Indiana to southern Illinois. A tree sometimes 9 m. (30 feet) high, with ascending and spreading branches and a broad crown. Specimens have been seen from Gibson (Schneck); Posey (Deam). [Illustration: Plate 87. CRATÆGUS NITIDA (Engelmann) Sargent. Shining Thorn. (× 1/2.)] [Illustration: Plate 88. CRATÆGUS MACROSPERMA Ashe. Variable Thorn. (× 1/2.)]