494 NORTH AMERICAN FLORA [VoLUME 22 
11. Rosa rubiginosa L. Mant. 564. 1771. 
Rosa suaveolens Pursh, Fl. Am. Sept. 346. 1814. 
Rosa Walpoleana Greene, Leaflets 2: 264. 1912. 
Stems branched, often 2 m. high, armed with strong, curved, flattened prickles, which 
are 5-10 mm. long, sometimes also somewhat bristly; leaves 5—7-foliolate; stipules adnate, 
15-20 mm. long, mostly dilated, densely glandular and usually also pubescent beneath, glandu- 
lar-ciliate on the margins; petioles and rachis pubescent, glandular-hispid, and more or less 
prickly; leaflets suborbicular or broadly oval, rounded at both ends or acutish at the apex, 
1-3 cm. long, doubly serrate with gland-tipped teeth, more or less pubescent on both sides, 
densely glandular-pruinose beneath; flowers 1-4 together, subtended by foliaceous bracts; 
pedicels 1-3 cm. long, glandular-hispid; hypanthium pear-shaped or broadly ellipsoid, abruptly 
contracted above, often tapering at the base, often with a few bristles, at least near the base, 
in fruit 10-12 mm. thick, 12-15 mm. long, orange or scarlet; sepals lanceolate, 15-18 mm. 
long, caudate-attenuate, more or less lobed, glandular-hispid on the back, in fruit spreading 
and tardily deciduous; petals bright rose-colored, 15-20 mm. long; styles distinct, at last 
slightly exserted, pubescent; achenes inserted, both in the bottom and on the sides of the 
hypanthium. 
TYPE LOCALITY: Southern Europe. 
DISTRIBUTION: Roadsides, from Nova Scotia to Georgia, Mississippi, and Kansas; also from 
British Columbia to California; escaped from cultivation and‘naturalized; native of Europe. 
ILLUSTRATIONS: Engl. Bot. pl. 991; A. Dietr. Fl. Boruss. 12: pl. 862; Redouté, Roses 1: pl. 
opp. 93; pl. opp. 125; 2: pl. opp. 5; pl. opp. 75; Nouv. Duham. 7: pl. 7, f. 1; Audubon, Birds pl. 137; 
Miller & Whiting, Wild Fl. 149; G. T. Stevens, Ill. Guide pl. 70, f. 4; C. A. Reed, Wild Fl. 164, 
f.; Peterson, Wild Fruits 63, f. 
12. Rosa micrantha Borrer; Smith, Engl. Bot. pl. 2490. 1813. 
Stems branched, 1—2 m. high, terete, armed with uniform, hooked, flattened prickles 5-10 
mm. long; leaves 5—7-foliolate; stipules adnate, 1-1.5 cm. long, the lower narrow, the upper 
dilated, pubescent and glandular beneath, glandular-ciliate on the margins; petioles and 
rachis pubescent, and glandular-hispid, rarely prickly; leaflets broadly ovate, rounded at the 
base, short-acuminate at the apex, 1-3 cm. long, more or less pubescent on both sides, and 
densely glandular-pruinose beneath, doubly serrate with gland-tipped teeth; flowers 1-4 
together, leafy-bracted; pedicels glandular-hispid, 1-2 cm. long; hypanthium narrowly elliptic, 
tapering at both ends, glabrous, in fruit 8-10 mm. thick, 15-20 mm. long; sepals lanceolate, 
caudate-attenuate, 12-18 mm. long, glandular-hispid on the back, tomentose within, more 
or less lobed; petals 10-15 mm. long, obcordate, rose-colored; styles distinct, glabrous, at last 
slightly exserted; achenes inserted both in the bottom and on the sides of the hypanthium. 
TyPE LOCALITY: Not given, probably near London. 
¢ DISTRIBUTION: Roadsides, from Massachusetts and New York to South Carolina and Texas; 
in Oregon and Washington; escaped from cultivation and sometimes naturalized; native of Europe. 
ILLUSTRATIONS: Engl. Bot. pl. 2490; Fl. Deuts. ed. 5. pl. 2630B; Britt. & Brown, Ill. Fl. f. 
1974; ed. 2. f. 2316 (both as R. rubiginosa). 
13. Rosa dumetorum Thuill. FJ]. Par. ed. 2. 250. 1799. 
Stems terete, branched, about 2 m. high, armed with uniform, curved, flattened prickles 
5-10 mm. long; leaves 5—7-foliolate; stipules adnate, mostly narrow, 1-2 cm. long, more or 
less pubescent, glandular-ciliate only on the margins; petiole and rachis sparingly pubescent, 
sometimes slightly prickly; leaflets ovate, acute, sharply serrate, with ascending teeth, more 
or less pubescent, at least beneath, 1-3 cm. long; flowers 1—3; pedicels glabrous, 1—2 cm. long; 
hypanthium ellipsoid, glabrous, in fruit 10-12 mm. thick, 15-18 mm. long; sepals lanceolate, 
caudate-attenuate, 15-20 mm. long, glabrous on the back, tomentose within, more or less 
lobed, in fruit reflexed and at last deciduous; petals pale pink or white; styles distinct, per- 
sistent, slightly exserted; achenes inserted both in the bottom and on the sides of the hy- 
panthium. 
TYPE LOCALITY: Vicinity of Paris. 
DISTRIBUTION: Bowling Green, Kentucky; escaped from cultivation; native of Europe. 
gag aa Engl. Bot. pl. 2610; Redouté, Roses 2: pl. opp. 85; Willm. Gen. Rosa fl. 
opp. = 
