96 SAXIFKAGACEJ3. (SAXIFRAGE FAMILY.) 



1. F. rupicola, Eng. & Gray. Pubescent or glabrate, branches terete, 

 striate: leaves deciduous, subsessile, oblong, very entire, 3-nerved at base - 

 flowers 1 to 3, terminal on the short branchlets, peduncled, white. — PI. Wright 

 i. 77. S. W. Colorado and southward. 



12. EIBES, L. CURRANT. GOOSEBERRY. 



Calyx 5-lobed, often colored. Petals 5, small. Styles 2, distinct or united. 

 Berry crowned with the shrivelled remains of the calyx. — Low, sometimes 

 prickly, with palmately-lobed leaves, often clustered in the axils ; the small 

 flowers from the same clusters, or from separate lateral buds. 



§ 1. Mostly thorny under the fascicles, and sometimes scattered-prickly or 

 bristly along the branches : leaves plaited in the bud : calyx mostly recurved or 

 reflexed at flowering-time. — Gooseberry. 



* Calyx-tube campanulate to cylindraceous : peduncle 1 to i-ftowered. 

 +- Flowers yellow or yellowish : leaves seldom J inch in diameter : anthers oval- 

 oblong. 



1. B. leptanthum, Gray. Much branched and rigid, 1 to 4 feet high, with 

 comparatively large single or triple thorns : leaves roundish, 3 to 5-cleft, and 

 the lobes crenately-incised or toothed : peduncles very short, 1 to 2-flowered : 

 berry glabrous. — PI. Fendl. 53. New Mexico, Colorado, and in the Sierras. 



•i- *- Flowers greenish, white, or dull purplish : leaves mostly an inch or two in 



diameter : anthers shorter, mostly didymous. 



** Ovary and berry unarmed and glabrous : beiry pleasant. 



2. R. divarieatum, Dougl., var. irriguum, Gray. Nearly glabrous or 

 soft-pubescent : stems 5 to 12 feet high, with widely spreading branches ; the 

 thorns single or triple : leaves nervose-veiny at base, 3 to b-lubed, the lobes in- 

 cisely toothed : the 2 to A-flowered peduncle and pedicels slender, drooping : calyx 

 livid purplish or greenish white: petals fan-shaped, white: berry dark purple. — 

 R. irriguum, Dougl. From Colorado and Idaho to Nevada and Oregon. 



3. R. OXyacanthoideS, L. Mostly glabrous, 2 to 4 feet high ; thorns 

 single or triple, small : leaves usually deeply 5-lobed, the lobes incised and 

 coarsely toothed : the 2 to Z-flowered peduncles very short : calyx greenish-white 

 or flesh-colored : stamens and 2-cleft style scarcely longer than the bell-shaped 

 calyx : berry small, purple. — E. hirtellum, Michx. From Colorado north- 

 ward throughout British America; also in California and the N. Atlantic 

 States. 



4. E. rotundifoliUDlj Michx. Leaves smooth or downy : peduncles slen- 

 der, 1 to 3-ftowered : stamens and 2-parted style slender, longer than the nairmo 

 cylindrical calyx : fruit smooth. — The Upper Missouri, and extending east- 

 ward to the Atlantic States. 



++ ++ Berry armed with long prickles like a burr, or rarely smooth. 



5. R. Cynosbati, L. Spines small or obsolete: leaves pubescent: sta 

 mens and undivided style not longer than the broad calyx : berry large. — 

 Nenr the sources of the Platte, and thence through the N. Atlantic States to 

 Canada. 



