This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Branches erect, unarmed. Petioles slender, 1'-4' long; leaves broader than long, 1'-4' wide, more or less pubescent and resinous-dotted beneath, 3-5-lobed, the lobes obtuse or acutish, coarsely dentate; racemes 2 1/2' long or less; pedicels 2" long or less; flowers white, 2"-3" broad; calyx broadly campanulate, its lobes oval, obtuse, spreading; stamens short, not exserted; ovary dotted with sessile glands; bracts setaceous, usually nearly equalling the pedicels, deciduous; fruit black, glabrous, 3"-5" in diameter.
Hudson Bay and western Ontario to Alaska, Minnesota and British Columbia. Quinsy-berry. May-June.
Ribes nigrum L., the black currant of the gardens, with similar leaves, loosely flowered drooping racemes, the calyx-lobes ascending and recurved, has escaped from cultivation in the Middle States.
Ribes vulgare Lam. Encycl. 3: 47. 1789.
Unarmed; stems nearly erect. Petioles slender, glabrous or sparingly pubescent, 1' - 3' long; leaves pubescent beneath, at least when young, orbicular or broader, cordate at the base, 3-5-lobed, the lobes acutish, sharply dentate; racemes pendulous, loosely flowered; pedicels 2"-3" long, curved and sometimes ascending, longer than the ovate bractlets; flowers greenish, about 2" broad; calyx flat-campanulate; stamens short; anther-sacs divergent; fruit red, glabrous, 2"-5" in diameter.
Raisin-tree. Garnet-berry. Wine-berry. May-June. Escaped from cultivation, Massachusetts to Ontario, Virginia and Wisconsin, and in Oregon and British Columbia. Native of Europe. Included in our first edition in R. rubrum L.
Ribes triste Pall. Nova Acta Acad. Petrop. 10: 378. 1797.
Ribes rubrum subglandulosum Maxim. Bull. Acad. St. Petersb. 19: 261. 1874.
Similar to the preceding species, unarmed, the stems creeping or ascending. Leaves glabrous above, more or less pubescent beneath; racemes several-flowered, as long as the leaves or shorter, drooping; pedicels 4" long or less, longer than the ovate bractlets; flowers purplish; calyx saucer-shaped; anther-sacs contiguous, parallel or nearly so; ovary glabrous; fruit red, glabrous, 3"-4" in diameter.