Order 47.— ROSE WORTS. *^05 



by culture); achenia oo, bony, hispid, included in and attached to the in 

 side of the fleshy calyx-tube. — Shrubby and prickly plants. Leaves un- 

 equally pinnate. Stipules attached to the petiole, or often free. 



In the table, the first ten species are found growing wild in this country, and 

 sometimes also cultivated. The other species never grow wild here. 



§ Styles growing together into an inserted column. Climbers h 



§ Styles not cohering into a column a 



a Stipules nearly free from the petiole and falling off. . . .g 

 a Stipules adhering to the petiole. . . .b 



b Plant armed with curved or hooked prickles, erect. . . .d 



b Plant armed with straight prickles c 



c Wild, native Roses, 1-3 f., erect.... 5-7 



c Cultivated exotics climbing (No. 20) or erect 21-28 



d Leaflets glandular and fragrant beneath f 



d Leaflets not at all glandular. Shrubs erect e 



e Wild, native Kose, flowers single 8 



e Cultivated exotics, mostly double-flowered 13, 14 



f Flowers single. Wild 9, 10 



f Flowers double. Exotic, cultivated 15-17 



g Leaflets 5-9. Flower-stalk enveloped in bracts 4 



g Leaflets 3-5. Flower-stalk bractless, very smooth 2, 1& 



h Leaflets 3-5, mostly 3. Native and cultivated 1 



h Leaflets 5-9 k Stipules and sepals mostly entire 11» 12 



k Stipules fringed, sepals entire 3 



k Stipules entire, sepals pinnatifid 18 



1 R. setig'era, Michigan R. Flowers in corymbs, rose- colored, changeable. W. f 

 2 E. l^viga^ta. Gherohee B. Lfts. very smooth, ellip. Fls. solit., white. S. f 

 3 R. multiflo'ra. Japan R. Lfts. soft, wrinkled. Fls. corymbed, double. S. t 

 4 R. bractea'ta. Macartney R. Fls. solitary, with large bracts beneath it. S.-W. t 



5 R. lu'cida. Shining R. Lfts. 5-9, elliptic, shining. Prickles few. Calyx hispid. 



6 R. nit'ida. Wild R. Leaflets 5-9, narrow-lance, shining. Prickles numerous. 



7 R. blanda. Bland R. Lfts 5-7, oblong, dull. Prickles very few. Calyx smooth. 



8 R. Caroli'na. Swamp R. Stems 4-7f. high. Flowers in eery mbs. Dull green. 



9 R. rubigino'sa. Sweet JB He r. Sepals persistent. Someof the prickles awl-shaped. 



10 R. micran'tha. Eglantine. Sepals deciduous. All the prickles hooked alike. Fls. 



small. 



11 R. sempervi'rens. Evergreen R. Prickles alike. Lfts. evergreen, leathery, t 



12 R. arven'sis. Ayrshire R. Prickles unlike. Lfts. soft, deciduous, f 



13 R. cinnamo'mea. Cinnamon R. Stipules broad, pointed, involute, wavy. + 



14 R. cani'na. Dog R. Stipules broad, serrulate. Sepals fall off after flowering, t 



15 R. centifo'Ua. Cabbage R. Moss R. Sepals spread in flower, often very 

 glandular, t 



