Part 6, 1918] ROSACEAE 517 
79. Rosa adenosepala Wooton & Standley, Contr. U. S. Nat. 
Herb:-162 131. 1913, 
Stem 1 m. high or more, chestnut-brown, terete, armed with slender recurved prickles 
about 5 mm. long; floral branches about 1 dm. long, weakly armed; stipules adnate, 1.5—2 
em. long, usually broadly dilated, puberulent and glandular-pruinose on the back, more or 
less glandular-dentate on the margins; rachis tinged with red, puberulent and more or less 
glandular; leaflets usually 7, rather dark-green, glabrous above, puberulent and glandular- 
pruinose beneath, 2—3 cm. long, broadly obovate, rounded at the apex, sharply serrate above 
with lanceolate ascending teeth, cuneate and entire at the base, all distinctly petioluled; 
flowers corymbose, with dilated foliaceous bracts; pedicels 1—3 cm. long, glabrous; hypanthium 
globose, glabrous; sepals lanceolate, about 1.5 cm. long, caudate-attenuate, glandular-hispid 
on the back, tomentose on the margins and inside, in age erect and persistent; petals about 
2 cm. long, obcordate, dark rose-colored; styles persistent, distinct, not exserted; achenes 
inserted both in the bottom and on the sides of the hypanthium. 
Type Locatity: Along Pecos River, eight miles east of Glorietta, New Mexico. 
DISTRIBUTION: Known only from the type locality. 
80. Rosa puberulenta Rydb. Fl. Rocky Mts. 443. 1917. 
Stem 1—2 m. high, brown, terete, slender, armed with slender, slightly curved prickles 
about 5 mm. long; young shoots bristly; floral branches 1-2 dm. long, often unarmed; stipules 
adnate, the lower narrow, the upper dilated, entire or slightly toothed, finely puberulent; 
petiole and rachis puberulent, unarmed; leaflets 5—7, or on the new shoots sometimes 9, broadly 
oval, light-green, glabrous above, finely puberulent beneath, coarsely serrate, not glandular, 
2—4 cm. long; flowers in 1—4-flowered corymbs; pedicels glabrous, 1-3 cm. long; hypanthium 
glabrous, globose, in fruit 12-13 mm. thick; sepals lanceolate, caudate-attenuate, 1.5—2 cm. 
long, tomentose on the margins, puberulent on the back, in fruit erect and persistent; petals 
about 2 cm. long, rose-colored; styles persistent, distinct, not exserted; achenes inserted both 
in the bottom and on the sides of the hypanthium. 
TYPE LOCALITY: Montezuma Canyon, east of Monticello, Utah. 
DISTRIBUTION: Utah and Idaho to California and Washington. 
81. Rosa delitescens Greene, Leaflets 2: 265. 1912. 
Stem tall, red, with a slight bloom, armed with rather stout, slightly curved infrastipular 
prickles 8-10 mm. long; leaves 5—9-foliolate, usually 5-foliolate; stipules short, about 1 cm. 
long, densely glandular on the margins and slightly so on the back, entire, the free portion lanceo- 
late; petiole and rachis more or less glandular, and with a few prickles; leaflets oval, obtuse, 
1.5—3 cm. long, double-serrate with gland-tipped teeth, pallid-green, glabrous above, glandular- 
muricate beneath; inflorescence corymbose, leafy-bracted; pedicels glabrous; hypanthium 
rounded-ellipsoid or subglobose, slightly glandular-hispid or glabrous, in fruit 10-12 mm. in 
diameter; sepals lanceolate, glandular-hispid, caudate-attenuate, about 15 mm. long, in fruit 
erect and persistent; styles included, distinct, persistent; achenes inserted both in the bottom 
and on the sides of the hypanthium. 
TYPE LOCALITY: Siskiyou Mountains, Oregon. 
DISTRIBUTION: Known only from the type locality. 
82. Rosa granulifera Rydberg, sp. nov. 
Stem about 1 m. high, chestnut-brown, terete, armed with usually slender recurved 
prickles 4-8 mm. long; floral branches 1 dm. long or less, usually unarmed; stipules adnate, 
narrow or the upper dilated, about 1 cm. long, puberulent and glandular-pruinose on the back, 
more or less glandular-dentate; rachis puberulent and glandular-pruinose; leaflets 5—7, oval or 
elliptic, 1-2.5 cm. long, glabrous above, puberulent and conspicuously glandular-pruinose and 
slightly paler beneath, double-serrate with gland-tipped teeth; flowers 1-3 together; pedicels 
glabrous, 1-2 cm. long; hypanthium globose or somewhat ellipsoid, sometimes acutish at the 
base, in fruit about 8 mm. thick, glabrous; sepals 10-12 mm. long, somewhat glandular on 
