112 KEY AND FLORA 
~ VII. RIBES L. 
Shrubs. Leaves palmately veined and lobed, sometimes with 
stipules. Calyx tube egg-shaped, its 5 epigynous lobes usually 
colored like the petals. Petals 5, small, generally inserted on 
the throat of the calyx tube. Stamens 5, inserted with the 
petals. Styles 2; ovary 1-celled, with 2 placentz on its walls, 
becoming in fruit a pulpy (usually eatable) berry. 
1. R. Cynosbati L. Pricxty Witp GoosrBerry. Spines in 
pairs. Leaves long-petioled, downy, heart-shaped, cut-dentate. The 
single style and the stamens not projecting from the calyx tube. 
Berries generally prickly, brownish-purple, pleasant-flavored. 
2. R. gracile Michx. SLENDER GoosEBERRY. Spines slender, 
solitary, or in pairs or threes. Leaves with slender petioles, some- 
what downy when young, round, the base truncate or obtuse, 3-5- 
lobed, the divisions obtuse and toothed Flowers often in threes, 
white or greenish, drooping. Calyx lobes longer than the tube; 
stamens decidedly projecting from the tube. Berries smooth, red- 
dish-purple. Dry or rocky soil W. 
3. R. rotundifolium Michx. SmootH Witp GoosEBERRY. Spines 
few and short, prickles few or absent. Leaves roundish, lobed, with 
the lobes crenate-dentate, often downy. Peduncles slender ; flowers 
inconspicuous. Calyx lobes reflexed. Styles and stamens projecting 
decidedly from the calyx tube. Berries smooth. 
4. R. oxyacanthoides L. NortHERN GooseBERRY. Spines usually 
solitary, often numerous. Leaves petioled, their lower surfaces and 
petioles commonly downy. Flowers 1-3 together, on short pedicels, 
greenish-purple or white. Berry 4-} in. in diameter, smooth, reddish- 
purple. Low grounds and damp woods N. 
5. R. floridum L’Her. Witp Biack Currant. Branches thorn- 
less, erect. Leaves resinous-dotted, somewhat heart-shaped, 3—5-lobed, 
toothed. Flowers large, whitish. Calyx tubular-bell-shaped, smooth. 
Fruit round-ovoid, black, smooth. In woods. 
6.-R. vulgare Lam. Rep Currant. Stems more or less reclining. 
Leaves somewhat heart-shaped, obtusely 8—5-lobed. Racemes droop- 
ing. Limb of the calyx wheel-shaped. Berries acid, eatable, red 
or light amber-colored. Cultivated from Europe; also somewhat 
naturalized. 
7. R. aureum Pursh. GoLpDEN CURRANT, FLOWERING C., MiIs- 
sourr C., Clove C. A much taller shrub than the common red 
currant. Leaves 3-lobed, toothed. Racemes short and loose. Tube 
of the yellow calyx much longer than its limb. Flowers very fra- 
grant. Fruit brownish-black, barely eatable. 
