BAXIFRAGACE , 57 
16. RIBES, Linnazus. 
§ 1. More or less thorny and prickly: leaves 3-5-lobed, parted or divided: peduncles 1-5- 
flowered (5-9-flowered in No. 10), (Gooseberries.) 
Calyx bright red: fruit bristly or prickly...........0-esceeceerttene sae . 1, 2,4 
Calyx yellow: leaves very small: fruit smooth........c.ccceeeercccecrececes sees 5, 7 
Calyx white or pinkish, lobes erect: ovary white-villous; fruit velvety..... aia Rios GiRwy 6 
Calyx greenish, villous: stamens short: fruit spiny-prickly........+--.seessseeeeeees 3 
Calyx greenish or dull-purplish: ovary and fruit smooth............+-eee-eeeeee 8, 9 
Calyx greenish white, limb saucer-shaped, 3 lines broad: stamens short............. 10 
§ 2. Thornless, no prickles: stamens short: berry not prickly. (Currants.) 
Calyx greenish white, rotate above the ovary: berry 3-1 in. long, black............- 11 
“Calyx waxy-white, greenish or pinkish; tube cylindrical, 4-4 in. long........---..-- 12 
Calyx dull white, greenish or purplish; tube cylindrical-campanulate............+++ 13 
Calyx rose-red to nearly white; tube short, broad: racemes dense: fruit dry.......... 14 
ae golden yellow, salverform; tube 3-4 in: long: spicy-fragrant........--++++0+++ 15 
R. speciosum, Pursh. Tall: Flowers nearly an inch long, parts often in 4’s, 
. R. Menziesii, Pursh. Very thorny: anthers sharp-sagittate. 
3. R. ambiguum, Watson. Glandular, villous: white petals nearly as long as the 
stamens. 
4. R. Lobbii, Gr. Flowers 9 lines long: anthers oval: very obtuse, white. 
5. R. leptanthum, Gr. Rigid, much branched: style undivided, smooth. 
6. R. velutinum, Greene. Rigid recurved branches: stout thorns solitary 
7. B. quercetorum, Greene. Calyx-lobes ciliate, reflexed, bright yellow, 
8 R. divaricatum, Dougl. Stems widely spreading: stamens exserted. 
9. R. oxycanthoides, L. Similar: flowers smaller; stamens little exserted: 
10. BR. lacustre, Pciret. var. molle, Gr. Low: leaves downy: berry light red. 
ll. BR. bracteosum, Dougl. Leaves 5-7-cleft, lobes acute, 5-9 in. wide. 
12, KR. cereum, Dougl. Leaves 3-lobed, an inch broad or less, crenate, 
13. B. viscosissimum, Pursh. Viscid: leaves moderately lobed. 
14, R, sanguineum, Pursh. Leaves obtusely 3-5-lobed: petals often white: variable, 
R. 
aureum, Pursh. Glabrous or nearly so: racemes 5-10-flowered, 
CRASSCLACER. 
Obscure under herbs: minute greenish flowers in the axils of minute leaves........... 1 
Very fleshy herbs: leaves entire (serrate in lst sp. No. 2): petals distinct............. 2 
petals more or less united... 3 
1. TILLZAA, Linneus. 
1. T. minima, Miers. Flowers clustered in the axils: leaves ovate, a line long. 
