388 TREES OF NORTH AMERICA 



base, bright orange-red, about ' in diameter; calyx prominent, with a short tube and 

 usually erect lobes often deciduous before the fruit ripens; flesh thin, yellow, dry 

 and mealy; nutlets usually 3, prominently grooved and ridged on the back, about ' 

 long. 



A tree, from 20-30 high, with a tall straight stem 6'-8' in diameter, covered 

 with thin ashy gray or light red-brown bark, sometimes armed with long slender or 

 branched spines, spreading slightly pendulous branches forming a rather open broad 

 symmetrical head, and branchlets furnished with thin nearly straight bright chestnut- 

 brown shining spines I'-l^' long. 



Distribution. Western Georgia to central Alabama and Mississippi, and north- 

 ward to middle Tennessee; abundant and of its largest size in the low flat woods of 

 central Alabama, and ascending into the poorer and drier soils of the neighboring 

 hillsides and low mountain slopes. 



II. PUNCTATE. 



Fruit usually short-oblong. 



Anthers rose color or yellow ; stamens 20 ; leaves obovate, rounded or acute at the apex, 

 often acutely lobed above the middle, especially on vigorous shoots ; fruit on stout 

 pedicels, short-oblong 1 , flattened at the ends, marked by large pale dots, dull red or 

 bright yellow. 23. C. punctata (A). 



Anthers rose color ; stamens 10-20 ; leaves oblong-obovate or oval, rounded or acute at 

 the apex ; fruit on elongated slender pedicels, short-oblong to slightly obovate, dull 

 brick-red, marked by large pale dots. 24. C. pausiaca (A). 



Fruit usually globose or subglobose. 

 Stamens 20. 



Anthers pale yellow. 



Leaves obovate to oval or rarely rhomboidal, acutu ; fruit globose, or sometimes 



broader than high, dull red, marked by small pale dots. 25. C. collina (A, C). 



Leaves obovate, oval, or ovate, acute or acuminate, incisely lobed ; fruit globose, 



dull red. 26. C. amnicola (C). 



Leaves broadly oval to ovate, rounded or acute at the apex, occasionally rounded at 



the base, subcoriaceous ; fruit subglobose to short-oblong, dull orange-red, marked 



by large pale dots. 27. C. f astosa (C). 



Anthers rose color. 



Leaves obovate to rhomboidal, acute or rarely rounded at the apex ; corymbs thickly 



covered with matted hairs ; fruit subglobose, flattened and puberulous at the ends, 



dull red. 28. C. verruculosa (C). 



Leaves obovate to rhomboidal, acute or rounded at the apex ; corymbs slightly villose ; 



fruit globose, dark dull red. 29. C. sordida (C). 



Leaves oval to obovate, acute or acuminate ; fruit subglobose, often rather longer 



than broad, bright canary-yellow. 30. C. Brazoria (C). 



Leaves obovate, acute, acuminate, or rounded at the apex ; corymbs densely villose, 



fruit subglobose, dark dull red. 31. C. Dallasiana (C). 



Stamens 10. 



Anthers pale yellow ; leaves obovate, acute or acuminate or rounded and short-pointed 

 at the apex ; fruit subglobose, pubescent at the ends, dull orange-red. 



32. C. Letter-mam (A). 



Anthers rose color ; leaves oblong-obovate, acute or rounded at the apex ; fruit globose, 

 bright scarlet, slightly pruinose. 33. C. pratensis (A). 



