196 NORTH AMERICAN FLORA [VorumE 22 
Leaves tomentose on the back, the larger 
ones with the terminal lobe about as 
broad as long ; racemes erect or ascend- 
ing, commonly 10-15-flowered; ovary 
with scanty short curled hairs among 
the gland-tipped ones. 40, R. sanguineum., 
Leaves usually without tomentum on the 
back, the larger ones with the terminal 
lobe commonly about twice as broad as 
long; racemes declined, commonly 15- 
20-flowered, sometimes even 40-flowered ; 
ovary usually smooth except for the 
gland-tipped hairs. 41. R. glutinosum, 
Sepals not longer than the hypanthium ; ovary 
provided with a dense covering of straight, 
white, divergent hairs, in addition to the 
gland-tipped ones; style usually villous. 
Flowers pink or purple, commonly 8-10 mm. 
in length from the base of the ovary to the 
ends of the stamens, on evident pedicels 
2-5 mm. long; hypanthium about twice as 
long as broad. 42. R. malvaceum. 
Flowers usually white or greenish-white, 5-7 
mim. in corresponding length, commonly 
subsessile in appearance, the pedicels usu- 
ally 1-2 mm. long; hypanthium before 
shriveling little longer than broad. 43. R. indecornm. 
1. Ribes lacustre (Pers.) Poir. in Lam. Encyc. 
Suppl. 2: 56. 1812. 
Ribes oxyacanthoides lacusire Pers. Syn. Pl. 1: 252. 1805. 
Ribes grossularioides Michx.; Steud. Nom. Bot. 691. 1821. 
Ribes echinatum Doug). Trans. Hort. Soc. London 7: 517. 1830. 
Ribes lacustre parvulum A. Gray, Bot. Calif. 1: 206. 1876. 
Ribes parvulum Rydb. Mem. N. Y. Bot. Gard. 2: 203. 1900. 
Spines slender, weak, usually clustered. Branches usually densely bristly; petioles 
slender, pubescent; leaves nearly orbicular, thin, smooth or nearly so, deeply 5-7-lobed, 
3-5 cm. wide, the lobes acutish, incised-dentate; flowers green or purplish; pedicels 
slender, about 4 mm. long; hypanthium crateriform ; sepals short, broad, spreading ; sta- 
mens very short, not exserted ; berry about 6-10 mm. in diameter, purple-black, covered 
with weak gland-tipped bristles. 
TYPE LOCALITY: Lake Mistassini (Canada). 
DISTRIBUTION: Newfoundland to Alaska, Massachusetts, Pennsylvania,and Michigan, and in 
the mountains to Colorado, Utah, and California. 
ILLUSTRATIONS: Bot. Cab. £1. 884; Guimp. Otto & Hayne, Abb. Holz. £/. 136; Loud. Arb. 
J. 724; Bot. Mag. o 6492; Britt. & Brown, Ill. Fl. f. 1871; Card, Bush Fruits (. 95; Mém. Soc. 
Genéve 353: f. 83, 54. 
2. Ribes montigenum McClatchie, Erythea 5: 38. 1897. 
Ribes lacustre molle A. Gray, Bot. Calif. 1: 206. 1876. 
Ribes nubigenum McClatchie, Erythea 2: 80. 1894. Not R. nubigenum Philippi, 1857. 
Ribes lacustre lentum M. E. Jones, Proc. Calif. Acad. II. 5: 681. 1895. 
Ribes molle Howell, Fl. NW. Am.1: 209. 1898. Not &. molle Poepp. 1858. 
Ribes lentum Coville & Rose, Proc. Biol. Soc. Wash. 15: 28. 1902. 
A straggling shrub, 3-6 dm. high, the stems more or less bristly, the nodal spines 
short, or sometimes stout and longer than the leaves. Foliage and inflorescence more 
or less densely pubescent and glandular-pubescent; leaves smaller than those of Ribes 
lacustre, 1.5-4 cm. wide, deeply 5-lobed or 5-cleft, the lobes obovate to oblong, incised-ser- 
rate, the teeth acute or obtusish, the petioles mostly shorter than the blades; racemes 
short, few-flowered, as long as the leaves or shorter; pedicels 2-5 mm. long, as long as the 
lanceolate or ovate-lanceolate acute bracts or longer; hypanthium crateriform, glandular- 
bristly ; sepals veiny, 3-4 mm. long; berries red, glandular-bristly, palatable. 
TYPE LOCALITY: Summit of Mt. San Antonio, southern California (3000 meters). 
DISTRIBUTION : In the high mountains of the arid region, from California, Arizona, and New 
Mexico, northward to Washington, Idaho, and Montana, and in the interior of British Columbia. 
In Arizona and New Mexico the species becomes less hairy throughout, the ovaries being some- 
times quite glabrous. 7 
ILLUSTRATION: Mém. Soc. Genéve 353: 7. 85, 86. 
