510 NORTH AMERICAN FLORA [VOLUME 22 
56. Rosa Williamsii Fernald, Rhodora 20:95. 1918. 
Stem 3-5 dm. high, unarmed or sparsely setose below, purplish; branchlets unarmed, 
glabrous; stipules dilated, adnate, 1-2 cm. long, glandular-pulverulent beneath, conspicuously 
glandular-ciliate, the free portion semi-ovate; petiole and rachis glandular-pulverulent and 
glaudular-setulose; leaflets 5-7, mostly 7, cuneate-obovate, chiefly rounded or subtruncate at 
summit, coarsely and simply or doubly serrate above the middle, short-pilose on both 
surfaces, glandular on the nerves beneath, 1—3.5 cm. long; flowers solitary or paired; pedicels 
1-1.5 em. long, glabrous; hypanthium glabrous, ovoid, in anthesis 3.5—4.5 mm. thick, in fruit 
becoming pyriform, with attenuate base, succulent, 1.1-1.3 cm. long, 7-8 mm. thick; sepals 
lance-ovate, glabrous or pilose on the back, more or less glandular-ciliate, after anthesis tightly 
reflexed and persistent, the blade 5—7 mm. long, the foliaceous glandular-ciliate appendage 
4-8 mm. long; petals roseate, 1.7—2 cm. long; styles distinct, persistent, not exserted; achenes 
borne in at the bottom and on the sides of the hypanthium. 
TYPE LOCALITY: Bic, Quebec. ; 
DISTRIBUTION: Known only from the type region. 
57. Rosa johannensis Fernald, Rhodora 20: 94. 1918. 
Stem 0.3-1 m. high, the adult unarmed or setose at base, reddish, the young more or less 
setose or rarely with straight broad-based prickles; branchlets unarmed, glabrous, shining, 
usually purplish; stipules dilated, adnate, 1.5-3 cm. long, glabrous except the ciliate margin, 
somewhat glandular-dentate, the free portion lance-ovate; petiole and rachis glabrous or glab- 
rate, unarmed; leaflets 5-9, mostly 7, oval or narrowly obovate, coarsely serrate, somewhat 
shining above, pale beneath, glabrous or sparsely pilose on the veins beneath, 1.5—5.5 em. long; 
flowers solitary or corymbed; pedicels 1-3 cm. long, glabrous; hypanthium glabrous, subglobose, 
without a neck, rounded at base, in anthesis 5-9 mm. in diameter, in fruit 1-1.5 cm. in diameter, 
orange-red; sepals sparingly glandular, lance-ovate, caudate-appendaged, after anthesis 
divergent or reflexed, persistent, the blade 0.9-1.4 cm. long, the appendage 1.2-4 cm. long; 
petals roseate, 2.5-3.5 cm. long; styles distinct, persistent, not exserted; achenes borne in the 
bottom and on the sides of the hypanthium. 
TYPE LOCALITY: Van Buren, Maine. E 
DISTRIBUTION: Banks of the St. John River and tributaries, New Brunswick and Maine. 
Rosa johannensis X palustris. -See under R. palusiris. 
58. Rosa MacDougali Holz. Bot. Gaz. 21: 36. 1896. 
Rosa nutkana hispida Fernald, Bot. Gaz. 19: 335. 1894. 
Rosa nutkana MacDougali Piper, Contr. U.S. Nat. Herb. 11: 335. 1906. 
Stem erect, brown, glabrous, terete, 1-2 m. high, armed, usually with paired straight, 
rather stout infrastipular prickles 7-10 mm. long, occasionally also with scattered weaker 
prickles; floral branches 1-2 dm. long, with weaker prickles or unarmed; stipules adnate, 1—2 
cm. long, the upper usually dilated, puberulent and somewhat glandular beneath, more or 
less glandular-dentate; petioles and rachis puberulent and slightly glandular; petioles 2-3 cm. 
long; leaflets usually 7, oval, acutish at both ends, or rounded at the base, 1.5—5 cm. long, 
coarsely and rather regularly toothed, glabrous or nearly so above, puberulent, but rarely 
slightly glandular beneath; flowers usually solitary, rarely corymbose; pedicels 1-3 cm. long, 
usually more or less glandular-bristly; hypanthium subglobose, densely bristly or prickly, 
without a neck, in fruit 12-18 mm. broad; sepals lanceolate, more or less glandular on the 
back, villous on the margins, tomentose within, 15-20 mm. long, caudate-attenuate; petals 
broadly obcordate, 2—3 cm. long, rose-colored; styles numerous, distinct, not exserted. 
TyPE LocaLity: [Not given, but supplied by inference from Contr. U.S. Nat. 3: 223, 1695; 
as] Farmington Landing, Idaho. 
DISTRIBUTION: Northern Utah to British Columbia. 
Rosa MacDougali X ultramontana. See under R. ultramontana. 
59. Rosa yainacensis Greene, Pittonia 5: 109. 1903. 
Stem low, depressed, armed with straight, long, sometimes numerous prickles; stipules 
adnate, densely glandular-denticulate on the margins; petiole and rachis with numerous short- 
