158 ROSACE.E. (rose FAMILY.) 



9. E. hispidus, L. (Rinmng SwAMr-BL.vcKnERRY.) Stfms slender, 

 scarctly v.rjocljj, extciisivtly procumbent, beset icit/i simtll rtjlextd pricLbs: leaflets 3 

 (or rarely jjcilateiy 5), smooth, ihickish, mostly persistent, obovatc, obtuse, coarsely 

 serrate, entire towards the base; peduncles hajiess, several -flowered, often bristh/; 

 Jloirers small. (H. obovhlis, Michj-. R. sempe'rvirens and K. setosus, Bifjdotc.) 

 — Low w<Joils : lomnion northward. June. — Flowering shoots short, ascend- 

 ing ; sterile ones t'ormiuu- lonj^- runners. Fruit of few grains, red or purjile, sour. 



10. B,. cuneildlius, Fursh. (8and Blackberry.) Shruhbii (lo-.3° 

 liigh), upright, armed with stout rtcwved prickles ; hranchlets and lower sin-face of 

 the leaves whitish-woolly; leaflets 3-5, wedge-obovate, tliickish, serrate above; 

 peduncles 2 -4-flowered ; petals larye. — Sandy woods, S. New York, Pcnn. and 

 southward. May - July ; ripening its well-flavored black fruit in August. 



11. R. trivialis, Michx. (Low Brsn-IJLACKBiiRUY.) Shrubby, procum- 

 bent, bristly and ])riikly ; leaves evergreen, coriaceous, nearly glabrous: leaflets 3 (or 

 p.edate]y 5), ovatc-oblong or lanceolate, siiarj)ly serrate ; peduncles 1 -3-flowered; 

 petals large. — Sandy soil, Virginia and southward. ISlarcli - Jlay. 



15. ROSA, Tourn. Rose. 



Calyx-tube urn-shaped, contracted at the mouth, becoming fleshy in fruit. 

 Petals 5, obovatc or obcordate, inserted, with the many stamens, into the edge 

 of the hollow thin disk that lines the calyx-tube and within bears the numerous 

 pistils below. Ovaries hairy, becoming bony achcnia in fruit. — Shrubby and 

 prickly, with odd-pinnate leaves, and stipides cohering with the petiole : stalks, 

 foliage, &c. often bearing aromatic glands. (The ancient Latin name.) 



* Styles cohering in a protruding column, as long as the stamens. 



1. R. setigera, Michx. (CLniBixu or Prairik Rose.) Stems climbing, 

 armed with stout nearly straight prickles, not bristly ; leaflets 3-5, ovate, acute, 

 sharply serrate, smooth or downy beneath ; stalks and calyx glandular ; flowers 

 corymbed ; sepals pointed; petals deep rose-color changing to wkitc; fruit 

 (hip) globular. — Borders of prairies and thickets, W. New York (indigenous 7) 

 to Wisconsin and southwestward : also cultivated. July. — The only Ameri- 

 can climbing rose, or with united protruding styles: sti'ong shoots growing 

 10° -20° in a season. 



* * Stifles separate, included in the calyx-tuhe : petals rose-color. 



2. R. Carolina, L. (Swamp Rose.) Stems tall (4° -7° high), armed 

 with- stout hooked priikles, not bristly; leaflets 5-9, elliptical, often acute, dull 

 above and pale beneath; stipules nan'ow; flowers numcious, in corymbs; pcdimcles 

 and calyx (with leaf-like appendages) glandular-bristly; fi-uit (hip) depressed- 

 globular, somewhat bristly. — Low grounds : common. June -Sept. 



3. R. lucida, Elirhan. (Dwarf Wild-Rose.) Stems (l°-2°high), 

 armed with uueqncd bristly prickles, which arc mostly deciduous, the stouter per- 

 sistent ones nearly straight, slender ; leafl'ls 5-9, elliptical or oblong-lanceolate, 

 shining above, sharply serrate; stipules broad; peduncles I -S-floivend, mid ^^ith 

 the appendaged calyx-lobes glandular-bristly ; fruit depressed-globular, smooth 

 ■when ripe. — Common in dry soil, or along the borders of swamps. May- 

 July. — R. m'tida, Willd., is a smooth and narrow-leaved form. . .. 



