ROSACEAE (ROSE FAMILY) 



465 



771. C. nitida. 



3 mm. thick ; a tree, with a narrow open 

 crown, 4-8 m. high. (C. Brownii Hrit- 

 ton ?) Woods and banks of streams, s. 

 Ont. to centr. la., s. to centr. Pa., w. Va., 

 and Mo. Fl. May ; fr. Oct. 



12. C. vlridis L. Leaves 2-8 cm. long, 

 2-5 cm. wide, serrate; flowers 1-1.6 cm. 

 wide ; calyx-lobes slightly pubescent in- 

 side ; styles 4-5 ; fruit globose or de- 

 pressed-globose, bright red, glaucous, 4-6 

 mm. thick ; nutlets usually 6, 3.5-5 mm. 

 long ; nest of nutlets 3.5-6.5 mm. thick. 

 Moist soil of the lowlands, Chesapeake 

 City, Md. (Ward), Va. (Clayton) to Mo., 

 s. to Fla. and Tex. Fl. May ; fr. Oct. 



13. C. nitida (Engelm.) Sarg. Leaves 

 3-8 cm. long, 2-(i cm. wide, coarsely ser- 

 rate; corymbs many-flowered, 1.2-2 cm. 

 wide ; calyx-lobes lanceolate, acuminate ; 

 fruit globose to short-ellipsoidal, dark dull 

 red, 6-9 mm. th ick ; flesh yellow, mealy ; 

 nutlets 3-6, 4.5-7 mm. long ; nest of nut- 

 lets 6-7 mm. thick ; tree sometimes 9 m. 

 high, with a broad crown. Rare, s. 111. 

 to s. e. Kan. Fl. May ; fr. Oct. FIG. 771. 



5. INTRICATAE Sarg. (BOYNTONIANAE Beadle; BILTMOREANAE Beadle.) 

 Leaves elliptic-ovate, acute and varying from attenuate to truncate, doubly 

 serrate or lobed (the teeth gland-tipped), subcoriaceous, yellow-green, 

 bright above ; petioles 1-3 cm. long, glandular, slightly winged above ; young 

 foliage usually yellow-green ; corymbs 3-1-flowered ; bracts very glandular, 

 deciduous ; calyx-lobes lanceolate-acuminate or acute, for the most part 

 strongly toothed toward the apex, often entire at the base ; stamens about 

 10 ; anthers usually yellow ; styles 2-5 ; fruit greenish or reddish-yellow to 

 reddish-brown, globose to pyriform, bluntly angular; calyx prominent, its 

 lobes refiexed ; flesh of the fruit hard, thick ; nutlets usually 3-4, strongly 

 ridged on the back ; irregularly topped shrubs or small trees, 1-8 m. high 

 (with occasional spines), preferring rocky woods and cliffs, more common 

 and typical in the southern mountains. 



Foliage, corymbs, and fruit glabrous. 

 Calyx-lobes nearly entire ; fruit globose, yellow-green ; nutlets 8-5 ; leaves 



ovate or oval ..... 14. C. Boynloni. 



Calyx-lobes s^nffe ; nutlets usually 3-4. 



Leaves ovate to oval ; fruit globose, red-brown or orange-red . .15. C.foetida. 



Leaves elliptical-ovate ; fruit usually pyriform, yellow-green, tinged with 



red 16. C. apposita. 



Foliage and fruit pubescent ; corymbs villous. 

 Fruit globose : anthers yellow. 



Mature fruit reddish-brown ; nutlets 8-4 17. C. eoceinea. 



Mature fruit yellow-; nutlets 4-5 . .18. C. Iriltmoreana. 



Fruit pyriform, yellow ; nutlets 8-4 ; anthers pink 19. C. Stonei, 



14. C. Boyntbni Beadle. Leaves broadly ovate or oval, glabrous, 2-5 cm. 

 long, 2-5.5 cm. wide; corymbs glabrous; flowers about 2 cm. broad; calyx- 

 lobes entire, except near the apex ; styles 3-5 ; fruit globose or depressed-glo- 

 bose, yellow-green, tinged with red, 1-1.5 cm. thick ; nutlets 3-6, 6-8 mm. long ; 

 nest of nutlets 7-9 mm. thick. In woods and on banks of streams, between 

 400 and 900 in. elevation, s. w. Va., N. Car., and Tenn. Fl. May ; fr. Oct. 



15. C. foStida Ashe. Leaves elliptical-ovate to oval, 4.6-7 cm. long, 4-6 cm. 

 wide, glabrous ; corymbs glabrous ; flowers about 2 cm. wide ; styles 3-6 ; fruit 

 subglobose, 1-1.5 cm. thick, orange-red or red-brown; nutlets usually 3-4, 6-8 

 mm. long; nest of nutlets 6-9 mm. thick. (C. Saxteri Sarg.) Common, 

 e. Mass, to s. Ont., s. to Va. Fl. May ; fr. Oct. 



GRAY'S MANUAL 30 



