492 NORTH AMERICAN FLORA [VoLUME 22 
in fruit 15-20 mm. long and 10-12 mm. broad, brown; sepals lanceolate, caudate, attenuate, 
about 2 cm. long, glabrous or slightly glandular on the back, tomentose on the margins and 
within, often lobed on the margins and tinged with red; petals about 2 cm. long, crimson, pink 
or white; styles exserted, distinct. 
TYPE LOCALITY: China. i 7 : 
DISTRIBUTION: Louisiana; Cuba and Porto Rico; Mexico: naturalized from India and China. 
ILLUSTRATIONS: Redouté, Roses 1: pl. opp. 49; Willm. Gen. Rosa pl. opp. 79 and 81. 
III. Laevigatae. Climbing or trailing species with solitary white flowers and scattered 
hooked prickles; leaflets 3-5, leathery, evergreen; stipules small, entire, distinct; sepals after 
anthesis erect, persistent, entire; styles merely reaching the mouth of the hypanthium, distinct. 
Asiatic species, naturalized in the south. 
7. Rosa laevigata Michx. Fl. Bor. Am. 1: 295. 1803. 
Rosa ternata Poir. in Lam. Encyc. 6: 284. 1804. 
Rosa nivea DC. Cat. Hort. Monsp. 137. 1813. 
Rosa sinica Lindl. Ros. Monog. 126. 1820. Not R. sinica Murr. 1774. 
Rosa hystrix Lindl. Ros. Monog. 129. 1820. 
Rosa cucumerina Tratt. Ros. Monog. 2: 181. 1823. 
Rosa amygdalifolia Seringe, in DC. Prodr. 2: 601. 1825. 
Rosa cherokeensis Donn (Hort. Cantab. ed. 7. 155, name only. 1812); Small, Fl. SE. U. S. 528. 
1903. 
Stems high-climbing, 2-5 m. high, glabrous, terete, armed with stout recurved more or 
less flattened prickles, which are 4 or 6 mm. long, rarely with some intermixed bristles; leaves 
3-foliolate, rarely 5-foliolate; stipules small, subulate, only slightly adnate to the petioles, 
3-10 mm. long; petioles 2-3 em. long, unarmed or with a few small recurved prickles; leaflets 
lanceolate or elliptic, acute or obtuse at the base, acute or acuminate at the apex, finely but 
sharply serrate, their teeth directed forward, evergreen, subcoriaceous, glabrous, dark-green 
and shining above, paler and reticulate beneath, 3-6 cm. long, petioluled; petiolule of the 
terminal leaflet about 1 cm. long, those of the lateral ones much shorter; flowers solitary, 
terminating short branches; peduncle and hypanthium strongly hispid; sepals narrowly lanceo- 
late, long-attenuate, 2-3 cm. long, often more or less glandular-bristly, tomentose within; 
petals cuneate-obcordate, 3-4 cm. long, white or rarely rose-colored; hypanthium in fruit 
pyriform, bristly, 3.5—-4 cm. long, 2 cm. broad, with a tapering long-conic base; styles distinct, 
persistent, not exserted. 
TYPE LOCALITY: Georgia. 
DISTRIBUTION South Carolina to Florida and Texas; West Indies; naturalized from China. 
ILLUSTRATIONS: Bot. Mag. pl. 2847; Bot. Reg. 23: pl. 1922; Cycl. Am. Hort. f. 2166, 2167; 
Willm. Gen. Rosa pl. opp. 117; Lindl. Ros. Monog. pl. 16, pl. 17; Stand. Cycl. Hort. f. 3458, 3459. 
IV. Bracteatae. Climbing or trailing or erect species, with paired hooked prickles and 
white flowers subtended by bracts; leaflets 7—9, coriaceous and evergreen; stipules nearly 
distinct, pectinately divided; receptacle tomentose; sepals reflexed after anthesis; styles 
distinct, merely reaching the mouth of the receptacle. Introduced Asiatic species. 
8. Rosa bracteata Wendl. Bot. Beob. 50. 1798. 
Rosa lucida Lawrance, Roses pl. 84; hyponym. 1799. Not R. lucida Ehrh. 1799. 
Rosa Macartnea Dum.-Cours. Bot. Cult. 3: 351. 1802. 
Stems usually decumbent or sarmentose, villous-tomentose, especially when young, often 
also glandular-hispid, armed with usually paired stout recurved prickles 5-8 mm. long; leaves 
pinnate; stipules lanceolate, pectinately toothed, about 5 mm. long, slightly adnate; petioles 
1 cm. long or less, villous and often armed; leaflets 5-9, persistent, coriaceous, glabrous or 
lightly pubescent on the midvein beneath, dark-green and shining above, paler beneath, 
obovate, rounded or mucronate at the apex, acute at the base, finely serrulate, 1-3.5 cm. 
long, short-petioluled; flowers solitary or a few together, short-pedicelled, subtended by large- 
toothed tomentose bracts; sepals lanceolate, long-acuminate, tomentose on both sides, about 
