126 ROSACES. . (ROSE FAMILY.) 



dular ; corymb few-flowered ; petals obcorclate ; fruit globose, smooth. Borders 

 of swamps, Florida to South Carolina, and westward. June. Stem 10 -15 

 long. Flowers 2' -3' wide, red. 



* * Styles distinct, included : flowers red or ivhite. 



2. R. Carolina, L. Stem erect, smooth, armed with stout recurved stipu- 

 lar prickles ; leaflets 5-9, oblong or elliptical, acute, finely serrate, dull and 

 smoothish above, the lower surface paler, or, like the prickly petioles and cau- 

 date calyx-lobes, tomentose ; flowers single or corymbose ; calyx-tube and 

 peduncles glandular-hispid. Swamps, Florida to North Carolina, and west- 

 ward. June. Stem 4 - 6 high, commonly purplish. Fruit depressed-globose, 

 glandular. 



3. R. lucida, Ehrhart. Stem low, erect, armed with bristles and stout 

 stipular prickles ; leaflets mostly 5, elliptical or oblong-lanceolate, sharply ser- 

 rate, smooth and shining above, paler and often somewhat pubescent beneath ; 

 flowers solitary, or 2-3 together; peduncles and calyx glandular, the latter 

 with foliaceous, often incised lobes. (R. parviflora, Ell.) Florida to Mississippi, 

 and northward, mostly in dry soil, common. May and June. Stem l-3 

 high. A variable species. Stem sometimes smooth. 



4. R. rubiginosa, L. (EGLANTINE.) Stem erect or curving, armed with 

 very stout prickles ; leaflets 5-7, oval or obovate, serrate, glandular beneath ; 

 flowers mostly solitary, on hispid peduncles ; fruit obovate. (R. suaveolens, 

 Pursh.) Waste places in the upper districts : introduced. Branches yellowish- 

 green. Leaves fragrant. 



5. R. laevigata, Michx. (CHEROKEE ROSE.) Stem long, trailing, 

 smooth, the branches armed with very stout and curved prickles ; leaves ever- 

 green, mostly trifoliolate ; leaflets smooth and shining, lanceolate, the midrib his- 

 pid ; stipules deciduous ; flowers large, solitary, white ; calyx very bristly. 

 Common in cultivation. 



15. CRAT^IGUS, L. HAWTHORN. 



Calyx urn-shaped ; the limb 5-cleft, persistent. Petals 5, orbicular, concave. 

 Stamens few or many. Styles 1-5, distinct. Fruit fleshy, containing 1 - 5 

 bony nutlets. Thorny shrubs or trees. Leaves simple, serrate or variously 

 lobed. Flowers white, axillary and solitary, or in corymbs terminating short 

 lateral branches. Stipules on the young branches linear, or lunate and ser- 

 rate. 



* Corymbs compound, many-Jlowcred. 

 *- Fruit small, not larger than a pea. 



1. C. spathulata, Michx. Young branches tomentose, otherwise nearly 

 smooth and glandless throughout ; leaves small, spatulate, crenate at the sum- 

 mit ; those on the young shoots larger and incisely lobed ; calyx-lobes very 

 short ; styles 5 ; fruit very small, red. River-banks, Florida to North Carolina, 

 and west to Mississippi. April. A small tree. Corymbs sometimes slightly 

 pubescent. Stipules lunate on the young branches. 



