122 



KOSACE^. (kOSE family.) 



10. R. cuneifoljus, Farsh. (Sand Blackbekrt.) 67ir«% (1°-3<» 

 high), upright, armed mth stout recunied prickles ; branchhts and lower surface of 

 the leaves whitiah-woolly ; leaflets 3-5, wedge-obovate, thickish, seiTate above ; 

 peduncles 2-4-flowered ; petals large. — Sandy woods, S. New York to Virginia 

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



11. B. trivialis, Michx. (Low Bush-Blackberry.) Shrubbi/, procum- 

 bent, bristly and prickly ; leaves evergreen, coriaceous, nearly ylabrous ; leaflets 3 (or 

 jiedately 5), ovate-oblong or lanceolate, sharply serrate; peduncles 1-3-flow- 

 ered ; petals large. — Sandy soil, Virginia and southward. March -May. 



15. BOS A, Toum. Rose. 



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

 Petals 5, obovate or obeordate, inserted, with the many stamens, into the edge 

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

 over its inner surface. Ovaries hairy, becoming bony achenia in fniit. — Shrub- 

 by and prickly, with odd-pinnate leaves, and stipules cohering with the petiole ; 

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

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



1. B. setig^cra, Michx. (Climbing or Prairie Rose.) Stems climb- 

 ing, atoned 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 white ; fruit (hip) 

 globular. — Borders of prairies and thickets, Ohio to Illinois and southward. 

 July. — A fine species, the only American climbing Rose; the strong shoots 

 growing 10° -20° in a season. 



# * Styles separate, nearly included in the calyx-tube : petals rose-color. 



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

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

 above and pale beneath ; stipules narrow ; flowers numerous, in corymbs ; calyx and 

 peduncles glandular-bristly, the former with leaf-like appendages ; fruit (hip) 

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



3. B. Itlcida, Ehrhart. (Dwarf Wild-Rose.) Stems (l°-2° high), 

 armed with unequal bristly prickles, which are mostly deciduous, the stouter per- 

 sistent ones nearly straight, slender ; leaflets 5 - 9. ellipticcd or oblong-lanceolate, 

 shining above, sharply serrate ; stipules broad ; peduncles 1 - S-flowered, and with 

 the appendaged calyx-lobes glandular-bristly ; fi-uit depressed-globul.ar, smooth 

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

 July. — R. nitida, Willd., is a smooth and nan-ow-leaved fomi. 



4. B. bldllda, Ait. (Early Wild-Rose.) Nearly unarmed, or" with 

 scattered straight deciduous prickles (l°-3° high) ; leaflets 5-7, aval or oblong, 

 obtuse, pale on both sides and minutely downy or hoary beneath, serrate ; stipules 

 large ; flowers 1-3, the peduncles and calyx-tube smooth and glaucous ; fi'uit glo- 

 bose, cro\vned with tlie persistent erect and connivent entire calyx-lobes. — 

 Eocks and banks, Vermont to Penn. and Wisconsin, chiefly northward. May, 

 June. — Petals light rose-color. 



