Part 3, 1908] GROSSULARIACEAE 221 
than the petals, the anthers oblong; style pubescent below; berry globose to oblong, wine- 
colored, 8-12 mm, in diameter, with many or few subulate prickles. 
TYPE LOCALITY: Canada. 
DISTRIBUTION: New Brunswick to North Carolina, Alabama, Missouri, and Manitoba. 
ILLUSTRATIONS: Jacq. Hort. Vind. p/. 22? ; Guimp. Otto & Hayne, Abb. Holz. p/. 135, Loud. 
Arb. f. 719; Mém. Soc. Genéve 32: A/. 1, f. 3, Britt. & Brown, Ill. Fl. f 1865, Card, Bush 
Fruits f. 94; Cycl. Am. Hort. /. 2121; Mém: Soc. Genéve 353: f. 108. 
27. Grossularia missouriensis (Nutt.) Coville & Britton. 
Rives gracile Pursh, Fl. Am. Sept. 165. 1814. Not 2. gracile Michx. 1803. 
Ribes missouriense Nutt.; T. & G. Fl. N. Am. 1: 548. 1840. 
A shrub 1-2 m. high, the stems and branches glabrous or sometimes bristly, the young 
twigs white or whitish ; nodal spines 1-3, reddish-brown, stiff, stout or slender, 2 cm. long 
or less. Leaves suborbicular or reniform-orbicular in outline, 2-6 cm. wide, thin, 3-5-lobed, 
coarsely dentate, sparingly pubescent or glabrous above, rather copiously pubescent beneath, 
truncate, broadly cuneate, or subcordate at the base, the petioles pubescent ; peduncles 
slender, often longer than the petioles, 2- or 3-flowered ; bracts broad, 2-3 mm. long, 
pubescent and ciliate; pedicels filiform, nodding, much longer than the bracts; ovary 
glabrous; hypanthium cylindric, pubescent, about 2.5 mm. long, greenish ; sepals linear, 
2 or 3 times as long as the hypanthium, greenish-white, sparingly pubescent or glabrous ; 
petals much shorter than the sepals, erose; filaments glabrous, nearly twice as long as the 
sepals; style about as long as the stamens, pubescent below; berry globose, brown to purple, 
glabrous, 8-15 mm. in diameter. 
TYPE LOCALITY: Independence County, Missouri. 
DISTRIBUTION : Illinois to Minnesota, South Dakota, Kansas, Missouri, and Tennessee. 
ILLUSTRATIONS: Britt. & Brown, Ill. Fl. /. 1867 (as Ribes gracile) ; Card, Bush Fruits 7. 86 (as 
R. gracile); C. K. Schneid. Handb. Laubh. 1: f. 265 (as Ribes rotundifolium) ; Mém. Soc. 
Genéve 35°: f, 113 (as Ribes rotundifolium). 
28. Grossularia nivea (Lindl.) Spach, Hist. Vég. 6: 179. 1838. 
Ribes niveum Lindl. Bot. Reg. £1. 1692. 1834. 
Not bristly, 3 m. high or less, the slender glabrous branches upright or ascending, red- 
dish to brown; nodal spines 1-3, stout, brown, 1-2 cm. long. Leaves suborbicular in out- 
line, thin, sparingly pubescent or glabrous, 3-5-lobed, truncate to cuneate and entire at the 
base, the lobes few-toothed, the slender petioles mostly shorter than the blades; peduncles 
nodding, slender, 1-4-flowered, glabrous, shorter than the leaves; bracts ovate, small, 
membranous, much shorter than the filiform pedicels; ovary glabrous; hypanthium white, 
glabrous, campanulate, about 2 mm. long; sepals white, narrowly lanceolate, 6-8 mm. long ; 
petals white, cuneate, erose, about « fourth as long as the sepals: filaments filiform, 
pubescent, slightly longer than the sepals; anthers broadly oval, pubescent, about 1 mm. 
long; style villous below; berry globose, glabrous, bluish-black, subacid, about 8 mm. in- 
diameter. 
TYPE LOCALITY: Northwest America. 
DISTRIBUTION : Idaho and eastern Washington to northern Nevada. 
ILLUSTRATIONS: Lindl. Joc. cit. ; Loud. Arb. 7. 718; C. K. Schneid. Handb. Laubh. 1: 
262 h~l ; Mém. Soc. Genéve 353 : f. 174. 
29. Grossularia curvata (Small) Coville & Britton. 
Ribes gracile T, & G. Fl. N. Am. 1: 546. 1840. Not &. gracile Michx. 1803. 
Ribes curvatum Small, Bull. Torrey Club 23: 295. 1896. 
A diffusely branched glabrate shrub, 5-8 dm. tall, armed with subulate nodal spines 
4-6 mm. long, the stem with loose exfoliating bark, the branches red-brown or purplish, 
the recurved or drooping branchlets reddish. Leaf-blades suborbicular, 1-3 cm. in di- 
ameter, cuneate to subcordate at base, sparingly pubescent, 3-5-lobed, the lobes toothed ; 
petioles slender, as long as the blade or shorter, usually somewhat villous ; peduncles 7-8 mm, 
long, 1-5-flowered ; pedicels ultimately nearly as long as the peduncles, subtended by ovate, 
often 3-lobed, ciliate bracts; hypanthium 1.5-2 mm. long, subcampanulate, glabrous ; ovary 
resiniferous-glandular or pubescent; sepals linear or linear-spatulate, 6-7 mm. long, white, 
