ROSACEAE (ROSE FAMILY) 



467 



10 stamens, pink anthers, and pyriform yellow-green fruit. 

 in s. Va. 



It should be sought 





7. PARVIFOLIAE Loud. (UNIFLORAB Beadle.) Leaves rather small, spatu- 

 late, obovate, or oval, obtuse, rounded, or acute at the apex, cuneate at 

 the base, crenate, crenate-dentate, or serrate, subcoriaceous, shining above, 

 very pubescent when young, becoming scabrate above when mature ; petioles 

 very short, pubescent, winged ; corymbs tomentose, 1-6-flowered ; calyx-lobes 

 long and foliaceous, slightly pubescent, laciniate ; stamens about 20; 

 anthers white ; styles 5-7 ; fruit pubescent, globose or pyriform, greenish- 

 yellow or red; calyx prominent, its lobes reflexed; flesh firm; nutlets 

 usually 5, often more; shrubs, 1-4 m. tall, armed with slender straight 

 often foliaceous spines 1-6 cm. 



: 



Leaves obovate or spatulate, usually obtuse ; corymbs 1-3-flowered 

 ves ovate, usually acute ; corymbs 3-6-flowered 



21. C. tomentosa. 



22. C. Vailiae. 



21. C. tomentdsa L. Leaves obovate to spatulate, obtuse or rounded at 

 e apex, 1.5-4 cm. long, 1-3 cm. wide, crenate ; corymbs l-3-flowered, flowers 

 1-1.5 cm. wide; fruit subglobose, 1-1.5 cm. thick, yellow-green; nutlets 7-9 

 m. long, grooved on the back ; nest of nutlets 8-10 mm. thick. (C. uniflora 

 Muench. ; C. parvifolia Ait.) Sandy soil, L. I. to 

 Fla., w. Ky., Mo., and centr. Tex. Fl. May ; fr. Oct. 

 FIG. 774. Var. SM^THIX (Sarg.) Eggleston. Leaves 

 serrate; fruit red. Near Philadelphia. Fl. May; 

 fr. Sept. 



22. C. Vailiae Britton. Leaves 2-6.5 cm. long, 

 1-4.5 cm. wide, oval or ovate, acute at the apex, 

 cuneate at the base, crenate-serrate, often slightly 

 3-5-lobed ; petioles 4-10 mm. long ; corymbs 3-6- 

 flowered; flowers 1-1.5 cm. wide; fruit globose, 

 8-10 mm. thick, reddish-brown; nutlets 5-6 mm. 

 long ; nest of nutlets 7-8 mm. thick. Va. to n. w. 

 Ga. ; Greensboro, Ala. 



8. ROTUNDIF6LIAE Eggleston. (COCCINEAE 

 Sarg.) Leaves elliptical-ovate to orbicular, 

 doubly serrate or lobed, subcoriaceous, dark 

 yellow-green and shining above ; petioles glandu- 

 lar, slightly winged above, 1-5 cm. long ; young 

 foliage usually yellow-green ; corymbs many- 

 flowered ; calyx-lobes glandular-serrate, usually 

 lanceolate-acuminate; stamens 5-20; anthers 

 usually yellow ; styles 2-5 ; fruit depressed-glo- 

 bose to short-ovoid, red ; flesh soft ; calyx-lobes 

 reflexed ; nutlets usually 3-4, ridged on the back ; 



T74 C tomentosa round-topped shrubs and trees, 3-10 m. high, 



with numerous curved spines (2-7 cm. long"). 



Leaves elliptic-ovate, sharply cuneate, deeply-incised 

 Leaves ovate-orbicular, broadly cuneate or truncate at base. 



Calyx prominent ; fruit subglobose .... 



Calyx obscure. 



23. C. columbiana. 



24. C. Macauleyae. 



Fruit pyriform, yellow-red 25. C. Oakesiana. 



Fruit globose, red. 



Fruit angular in cross-section. 



Fruit glabrous ; flowers 2-2.5 cm. wide ; leaves slightly lobed . . 26. C. Jackii. 

 Fruit pubescent ; flowers about 1.5 cm. wide ; leaves sharply lobed . 27. C. irrasa. 

 Fruit round in cross-section. 

 Nest of nutlets shorter than thick ; fruit about 1 cm. thick, dark 



red ; leaves 3-6 cm. wide ; anthers yellow 28. C. rotundifolia. 



Nest of nutlets longer than thick ; fruit about 1.5 cm. thick, carmine- 

 red ; leaves 4-S cm. wide ; anthers pink 29. C. Jonesae. 



23. C. columbiana Howell. Leaves cuneate-obovate or oblong, 2-6 cm. long, 

 1-5 cm. wide, incisely 5-9-lobed above the middle, acute to acuminate, sparingly 



