ROSACEAE (ROSE FAMILY) 



467 



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

 in s. Va. 



It should be sought 



7. PARVIFOLIAE Loud. (UNIFLORAE 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, l^Q-flowered ; calyx-lobes 

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

 anthers white ; styles 6-7 ; fruit pubescent, globose or pyriform, greenish- 

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

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

 often foliaceous spines 1-6 cm. long. 



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

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



21. C. tomentosa 



22. C. Vailiae. 



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

 the apex, 1.5-4 cm. long, 1-3 cm. wide, crenate ; corymbs l-3-flowered, flower? 

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

 mm. 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 ; f r. Oct. 

 FIG. 774. Var. SinfTHii (Sarg.) Eggleston. Leaves 

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

 fr. Sept. 



22. C. Vailiae Britton. Leaves 2-5.5 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. ROTUNDIFOLIAE 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 ; 

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

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



Leaves elliptic-ovate, sharply cuneate, deeply-incised 28. C. columbiana. 



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



Calyx prominent ; fruit subglobose 24. C. Macauleyae. 



Calyx obscure. 



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



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. rotundifoUa. 



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

 red ; leaves 4-8 cm. wide ; anthers pink 29. C. Jonesae. 



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

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



774. C. tomentosa. 



