526 NORTH AMERICAN FLORA [VoLuME 22 
110. Rosa granulata Greene, Leaflets 2: 262. 1912. 
Stem low, less than 3 dm. high, with scattered, slender, straight or deflexed prickles, 
which are 5—8 mm. long; leaves 5-foliolate; stipules dilated, short, puberulent as well as glandu- 
lar; rachis and petiole glandular and puberulent; leaflets oval or obovate, doubly-serrate, 
green on both sides, puberulent on both sides and glandular-granuliferous beneath, 1—-2.5 em. 
long; flowers mostly solitary; pedicels and hypanthium glandular-hispid or -prickly, globose; 
sepals ovate, short-acuminate, persistent, glandular-hispid on the back, tomentose within; 
petals about 15 mm. long; styles persistent, distinct, not exserted. 
TYPE LOCALITY: San Luis Obispo, California. 
DISTRIBUTION: Known only from the type locality. 
111. Rosa spithamaea S. Wats. Bot. Calif. 2: 444. 1880. 
Stem from creeping rootstocks, glabrous, 1-3 dm. high, usually both bristly and with 
infrastipular prickles, sometimes unarmed; prickles straight, slender, 5-10 mm. long, terete; 
stipules adnate, narrow, 1 cm. long or less, puberulent and often glandular-pruinose on the 
back, glandular-ciliate on the margin; petiole and rachis more or less glandular; leaflets 3-7, 
usually 5, oval to nearly orbicular, double-serrate with gland-tipped teeth, 1-3.5 cm. long, 
petioluled, thin, sparingly pubescent or glabrate above, glandular-pruinose beneath; flowers 
corymbose or sometimes solitary; pedicels 1-2 cm. long, glandular-hispid; hypanthium ellipsoid 
or subglobose, densely glandular-hispid, in fruit 7-8 mm. thick; sepals lanceolate, caudate- 
attenuate, 10-12 mm. long, densely glandular-hispid on the back, in age erect and persistent; 
petals about 15 mm. long; styles persistent, distinct, not exserted. 
TYPE LOCALITY: Trinity River, California. 
DISTRIBUTION: Oregon and California. 
112. Rosa adenocarpa Greene, Leaflets 2: 261. 1912. 
Stem 1-2 dm. high, diffuse, glabrous, herbaceous, with a few slender straight prickles; 
leaves 5-foliolate or rarely 7-foliolate; stipules small, rather narrow, about 1 cm. long, glandular- 
ciliate and slightly glandular on the back; petioles and rachis somewhat glandular and rarely 
with a few weak prickles; leaflets suborbicular, distinctly petiolulate, coarsely and doubly 
glandular-serrate, thin, glabrous, slightly glandular-granuliferous, 1-2 em. long; petiolules of 
the lateral leaflets 1-3 mm. long, that of the terminal one about 1 cm. long; flowers 1—3; pedicels 
5-15 mm. long, glandular-puberulent; hypanthium globose, bristly, without a neck; sepals 
lanceolate, caudate-acuminate, 12-15 mm. long, more or less glandular-hispid on the back; 
petals rose-colored, about 15 cm. long, obcordate; styles persistent, distinct, not exserted. 
Typ LocALIty: Mount Grayback, southwestern Oregon. 
DISTRIBUTION: Known only from the type locality. 
113. Rosa sonomensis Greene, Fl..Fran. 72. 1897. 
Rosa spithamia sonomensis Jepson, Fl. W. Middle Calif. 279. 1901. 
Stem slender, about 3 dm. high, terete, densely armed with slender straight prickles of 
various sizes, the infrastipular ones 5-10 mm. long, terete; stipules short, adnate, 1 cm. long 
or less, glandular on the back and glandular-ciliate on the margins, the free portion short and 
often divergent; rachis and petiole more or less glandular; leaflets 5, broadly oval or orbicular, 
0.5—1.5 em. long, double-serrate with glandular teeth, glabrous on both surfaces and somewhat 
glaucous, somewhat glandular-pruinose beneath; flowers in terminal corymbs; pedicels about 
1 cm. long, glandular-hispid; hypanthium somewhat rounded-pyriform, glandular-hispid, 
in fruit 7-8 mm. thick; sepals ovate-lanceolate, acuminate, 7-9 mm. long, glandular-hispid 
on the back; styles distinct, persistent, not exserted. 
TYPE LOCALITY: Petrified Forest, Sonoma County, California. 
DISTRIBUTION: Central California, near the coast. 
