187 
8. Crategus viridis Linneus. SouTHerN THorn. Plate 87. 
Bark gray to light orange; spines uncommon, 2-5 cm. (34-314 inches) 
long; leaves oblong-ovate, 2-8 em. (34-314 inches) long, 2-5 cm. 
(14-2 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. 
(34-34 inch) long, slightly winged above; corymbs glabrous, many 
flowered; flowers appear in May, 1-1.5 em. (14-2/3 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. (14 inch) thick, 
flesh thin, hard, edible. 
Distribution. Moist, alluvial soil along streams and lakes, south- 
eastern Virginia to northern Florida and southwestern Indiana to 
eastern Kansas and Texas. 
A tree from 6-11 m. (20-385 feet) high, with ascending branches 
and a broad crown. 
Specimens examined: Gibson and Knox (Schneck); Posey (Deam). 
9. Crategus nitida (Engelmann) Sargent. Surntnc TuHorN,. 
Plate 88. Bark dark and scaly; spines occasional, 3-5 em. (1-2 
inches) long; leaves oblong-ovate to oval, 3-8 em. (114-3 inches) 
long, 2-6 cm. (34-214 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 em. 
(34-34 inch) long, slightly winged above, slightly villous when 
young; corymbs glabrous, many-flowered; flowers appear in May, 
1.2-2 em. (14-34 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. (14-1 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). 
10. Cratzgus macrosperma Ashe. VARIABLE THORN. Plate 89. 
Bark brown, scaly; spines numerous, stout, curved, 2-7 em. (34-234 
inches) long; leaves broadly elliptical-ovate to broadly ovate, 2-7 
em. (34-234 inches) long and wide, acute at the apex, rounded, 
truncate or rarely cordate at the base, serrate or doubly serrate, 
