222 NORTH AMERICAN FLORA [VoLuME 22 
ciliate, reflexed and recurved, obtuse, the edges hyaline; petals lanceolate to cuneate, 1.5 
mm. long, white, acute or obtuse, with lateral teeth and one or two nerves; stamens con- 
spicuous, 7 mm. long, erect; filaments villous; anthers linear-oblong, recurved, glabrous 
or pubescent ; berry globose, 6-8 mm. in diameter, crowned by the persistent stamens. 
TYPE LOCALITY : Stone Mountain, Georgia. 
DISTRIBUTION : Georgia, Alabama, Louisiana, and Texas. 
ILLUSTRATION : Mém. Soc. Genéve 353 : I. 1, 
30. Grossularia cognata (Greene) Coville & Britton. 
Ribes cognatum Greene, Pittonia 3: 115. 1896. 
Ribes palousense Elmer : Jancz. Mém. Soc. Genéve 35: 382; hyponym. 1907. 
A much-branched shrub, 2-3.5 m. high, the young branches white or gray, bristly, or 
sometimes smooth; nodal spines subulate, 1-1.5 cm. long. Leaves suborbicular to reni- 
form-orbicular in outline, 1.5-4 cm. wide, thin, 3-5-lobed, incised, crenate-dentate, more 
or less pubescent on both sides and minutely glandular, the villous and glandular-pubescent 
petioles as long as the blades or shorter ; peduncles 2-5-flowered, nodding, mostly shorter 
than the petioles; bracts glandular-pubescent, 1.5-3 mm. long, equaling or a little shorter 
than the pedicels; ovary glabrous; hypanthium greenish-white, sparingly hirsute, nearly 
cylindric, 3-6 mm. long; sepals white or pink, narrowly oblong, one half to two thirds as 
long as the hypanthium ; petals obovate, truncate or retuse,’ about half as long as the 
sepals and a little longer than the filaments; anthers obtuse; style pubescent below ; berry 
smooth, about 10 mm. in diameter. 
TYPE LOCALITY: River banks at Pendleton, Oregon. 
DISTRIBUTION: Eastern Washington and Oregon. 
ILLUSTRATION: Card, Bush Fruits /. 90 (as Ribes irriguum). 
31. Grossularia setosa (Lindl.) Coville & Britton. 
Ribes setosum Lindl, Trans. Hort. Soc. London 7: 243. 1828. 
Ribes saximontanum E. Nelson, Bot. Gaz. 30: 19. 1900. 
Ribes camporum Blankinship, Mont. Agric. Coll. Sci. Stud. 1: 63. 1905. 
Plant usually less than 1 m. high, the shoots reddish-brown and usually bristly ;. 
nodal spines subulate, 2 cm. long or less. Leaves suborbicular in outline, 3-5-lobed, thin, 
crenate-dentate, cordate, truncate, or sometimes narrowed at the base, 1-4 cm. wide, finely 
pubescent and usually somewhat glandular, the pubescent and usually more or less glandular 
petioles as long as the blades or shorter ; peduncles 1-3-flowered, shorter than the leaves ; 
bracts thin, 1-2 mm. long, mostly somewhat shorter than the pedicels; ovary glabrous or 
rarely with some glandular hairs; hypanthium white, glabrous, cylindric-campanulate, 5-8 
mm. long, about twice as long as the white sepals; petals one half to two thirds as long as 
the sepals, about as long as the stamens; anthers blunt; style pubescent below; berry red 
to black, smooth or somewhat bristly, 8-12 mm. in diameter. 
TYPE LOCALITY : Not recorded. 
DISTRIBUTION: Idaho to Montana, Assiniboia, South Dakota, Nebraska, and Wyoming. 
ILLUSTRATIONS : Bot. Reg. pi. 1237 ; Loud. Arb. f 716; Britt. & Brown, "I. FL. J. 1866 ; Card, 
Bush Fruits 7. 927; C.K. Schneid. Handb. Laubh. 1: f. 265f ; 3; Mém. Soc, Genéve 358: f. 107 
32. Grossularia irrigua (Dougl.) Coville & Britton. 
Ribes irriguum Doug. Trans. Hort. Soc. London 7: 516. 1830. 
Ribes divaricatum irriguum A. Gray, Am. Nat. 10: 273. 1876. 
Ribes leucoderme Heller, Bull. Torrey Club 24: 93. 1897. 
Ribes oxyacanthoides leucoderme Janez. Mém. Soc. Genéve 35: 388. 1907. 
A shrub 1-3 m. high, the older branches usually bristly, gray to brown, the young 
shoots often without bristles, pale-gray, pubescent or rarely glabrous; nodal spines subu- 
late, usually about 1 cm, long. Leaves thin, 3-5-lobed, coarsely incised-dentate, 3-7 cm. 
wide, mostly cordate at the base, nearly or quite glabrous above, more or less pubescent 
and minutely glandular beneath, the villous and glandular-pubescent petioles as long as 
the blades or shorter; peduncles nodding, 1-3-flowered, shorter than the leaves; bracts 
ciliate and glandular, about as long as the short pedicels; ovary glabrous; hypanthium 
greenish, glabrous, cylindric-campanulate, 3-4 mm. long; sepals greenish-white, 5-8 mm. 
long; petals obovate, white, about half as long as the sepals; stamens about as long as the 
petals; style pubescent below; berry globose, smooth, 7-13 mm. in diameter. 
