392 GROSSULARIACEAE 



cuneate-obovate, obtuse or truncate, lobed or dentate, 4-7 mm. long, pubescent and glandular; 

 pedicels much shorter than the bracts ; hypanthium cylindrical, 6-8 mm. long, greenish to white 

 or cream-colored; sepals 2 mm. long, ovate; anthers with a cup-shaped gland at apex; styles 

 usually hairy below ; berry bright red. 



Dry gravelly or rocky ridges, mainly Canadian Zone; British Columbia to southern California, east to 

 Montana, Utah, and northwestern Arizona. Type locality: on decayed granite or schist along the Columbia River 

 from the Great Falls (The Dalles) to its source. June-July. Sheep Currant. 



Ribes reniforme Nutt. Journ. Acad. Phila. 7: 25. 1834. (Ribes cereum var. pedicellare A. Gray, 

 Bot. Calif. 1:207. 1876.) Closely resembling the preceding species in general habit. Leaves with sessile 

 glands on both surfaces, but otherwise glabrous; petioles and racemes glabrous; bracts entire or nearly so, 

 glandular but not pubescent; hypanthium and ovary with a few short-stalked glands but no pubescence; styles 

 usually glabrous; berry bright red, glandular or sometimes glabrous. 



Dry mountain ridges, mainly Canadian Zone; Blue Mountains of Oregon and adjacent Washington to 

 Montana. Type locality: sources of the Columbia. June— July. 



12. Ribes inebrians Lindl. Pink Squaw Currant. Fig. 2322. 



Ribes inebrians Lindl. Bot. Reg. 17: pi. 1471. 1832. 



Cerophyllum spathianum Koehne, Gartenfl. 48: 338. 1899. 



Ribes Churchii Nels. & Kenn. Proc. Biol. Soc. Wash. 19: 36. 1906. 



Ribes pumilum Nutt. ex Rydb. Fl. Colo. 177. 1906. 



Closely resembling R. cereum in general habit, and in pubescence of twigs and leaves. Rachis 

 of the racemes puberulent and usually glandular ; bracts entire or sometimes with a lateral lobe 

 or tooth, usually glandular-ciliate ; hypanthium usually pink or pinkish; ovary with stalked 

 glands ; styles usually glabrous ; berry bright red, glandular or rarely smooth. 



Dry mountain ridges, mainly Canadian Zone; eastern slopes of the Sierra Nevada, California, and northern 

 Nevada. Type locality : described from cultivated plants, the source of which was not given. June-July. 



13. Ribes viscosissimum Pursh. Sticky Currant. Fig. 2323. 



Ribes viscosissimum Pursh, Fl. Amer. Sept. 163. 1814. 

 Coreosma viscosissima Spach, Ann. Sci. Nat. II. 4: 23. 1835. 



Low branched shrub, 1 m. high or less, the young twigs glandular-pubescent. Leaves reni- 

 form-orbicular in outline, 5-8 cm. wide, pubescent and glandular-pubescent on both surfaces, the 

 lobes usually 5, short, rounded, irregularly crenate-dentate ; petioles shorter than the blades, 

 much dilated at base, densely glandular-pubescent; racemes usually as long as the leaves or 

 longer, the rachis glandular-pubescent; bracts herbaceous, about equaling the pedicels, entire 

 or minutely erose ; pedicels about 1 cm. long; hypanthium broadly cylindrical, 6-7 mm. long, 

 greenish or pinkish; sepals about as long as the hypanthium, oblong, sparingly or not at all 

 glandular; ovary glandular-pubescent; berry black, without bloom, more or less glandular- 

 bristly. 



Coniferous forests, mainly Canadian Zones; British Columbia to northern California, east to Montana and 

 Colorado. Type locality: Rocky Mountains. June-July. 



Ribes viscosissimum var. Hallii Jancz. Mem. Soc. Geneve 35:328. 1907. Resembling R. viscosissi- 

 mum in general habit. Leaves rather firmer in texture and smaller, 2-5 cm. wide; racemes nodding, as long as 

 the leaves or shorter; bracts mostly longer than the pedicels; ovary glabrous, rarely with a few glands; sepals 

 shorter than the hypanthium; berry covered with a light bluish bloom. 



Coniferous forests, mainly Canadian Zone; Siskiyou and Cascade Mountains, southern Oregon, to the 

 northern Sierra Nevada, California, and western Nevada. Type locality: northern California. 



14. Ribes aureum Pursh. Golden Currant. Fig. 2324. 



Ribes aureum Pursh, Fl. Amer. Sept. 164. 1814. 



Ribes tenuiflorum Lindl. Trans. Hort. Soc. Lond. 7: 242. 1828. 



An erect shrub, 1-2 m. high, the branchlets glabrous. Leaves reniform-orbicular to obovate 

 in outline, variously lobed or dentate, cuneate to subcordate at base, 5 cm. wide or less, glabrous 

 or pubescent and ciliate when young; racemes 3-7 cm. long; hypanthium 6-10 mm. long, yel- 

 low ; sepals 5-8 mm. long ; petals oblong, 2 mm. long ; berry glabrous, yellow, red, or black. 



Along streams, Transition and Upper Sonoran Zones; eastern Washington to northeastern California, east 

 to Assiniboia, Black Hills, South Dakota, New Mexico, and Arizona. Type locality: "On the banks of the 

 rivers Missouri and Columbia." Collected by the Lewis and Clark Expedition. May. 



15. Ribes gracillimum Cov. & Britt. Bugle Currant. Fig. 2325. 



Ribes gracillimum Cov. & Britt. N. Amer. Fl. 22:205. 1908. 



Ribes aureum var. gracillimum Jepson, Man. Fl. PI. Calif. 468. 1925. 



Erect, usually much-branched shrub, 1-2 m. high, glabrous throughout, or the bases of the 

 petioles with a few hairs. Leaves 2.5 cm. wide or less, rather thin in texture, ovate to rounded 

 in outline, 3-lobed and dentate, cuneate at base ; petioles very slender, often as long as the blades, 

 frequently bearing small sessile glands ; hypanthium 6-8 mm. long, yellow ; sepals 3-4 mm. long ; 

 berry smooth. 



Along streams, Upper Sonoran Zones; Coast Ranges, central California to southern California. Type lo- 

 cality: Los Trancos Creek, near Stanford University, California. April. 



Ribes odoratum Wendl. f. in Bartl. & Wendl. f. Beitr. 2: 15. 1825. Erect shrub, 1-2 m. high, the young 

 twigs pubescent. Leaves 2-5 cm. wide, firm in texture, glabrate on both surfaces, round-reniform in outline, 

 cuneate to truncate at base, deeply 3-5-lobed, the lobes coarsely dentate or crenate-dentate; racemes mostly 4-8- 

 flowered, the rachis pubescent; pedicels usually pubescent, shorter than the bracts; hypanthium yellow, 12—15 mm. 

 long; sepals oblong, 5-6 mm. long; berry black. Native of the Great Plains region, and occasionally escaped from 

 cultivation in the Pacific States. 



