20G 



SAXIFKAGACE.*:. • Hibes. 



purple, pleasant. — Hurt, 'rraiis. vii. 015; Liiull. But. Kog. t. 1359. R. villotinm, 

 jS'utt. in Ton-. Sc (iray, VI i. 547, a soil downy fonu. 



Var. irriguum, (iray. Leaves in(Jie uervose-veiny at base : lloweis narrower 

 ami winter, hall' an inch long. — A', hriyuum, Dougl. 1. c. (1) ; AVatson, liot. King 

 Exp. 98, chielly. 



Shiidy liuiilva ami (luLs, liom Simla Hiiilmra iicrlhwanl to Ihitish (^Dlimiliia. Tlui vuri.ly 

 N. \V. Nuvailu to liliilio, iic. i'uduiicles a liuU-iuch to an hich long : [ludiculs 2 to 4 linos long. 



G. R, oxyacanthoides, Linn. Mostly glabrous, 2 to 4 feet high ; the thorns 

 single or trii)le, small : leaves rovmdish, usually deeply 5-lobed ; the lobes incised 

 and coarsely toothed : 2 - 3-llowered peduncles mostly shorter than the pedicels, 

 and these seldom longer- than the (3 or 4 lines long) (lower : calyx greenish-white 

 or litish-colored ; its short-oblong lobes at lirst not longer than the campanulate 

 tube, a little longtu' than the cunctatci-obovate petals, about e([ualling the stamens: 

 style 2-clei't, villous below, rather longer : berry small, purple, pleasant. — A'. Iiir- 

 ttUum, JNlichx. li. saxusum, Hook. Fl. i. 231. 



In tlic Siena Nevada at 0,000 to 9,000 feet, Ironi ilari[>osa Co. (Brewer) to Sierra Co. {Letnvion) ; 

 thenee eastward and nortliward to the Rocky Mountains, the Northern Atlantic States, and Uiit- 

 isli America to Hudson l>ay. This wide-siuead sj)ecies, or a noitliein Ibini of it, is most proba- 

 bly the original A'. oJcyaanUhoidcs of Liiniicus {Dillanus) ; that of^Iiclianx is 11. laeudrc ; that 

 of Hooker mainly R. sdusuiu of Liudley. 



* * C'ldj/.v-diit siiticcr-sliai>td, expaiuliiuj iiinnediale/i/ above the ovarif : judiincle 

 racemose 1 1/ 0- \C) jloivered : anlltera very short, poiuflesn : berry micall and ciirranl- 

 li/ce, beset with suiiw scattered yland-tipped bristles. 



7. R. lacustre, I'oiret, var. molle, Gray. A foot or two bigb, much branched : 

 brancluis brislly-prickly or naked, armed with short triple or nuiltiple thorns under 

 the fascicles : leaves small (usually about an incli in diameter), downy-pubescent, 

 roundish in outline, 5-parted, and the lobes incisely toothed and cleft : racemes 

 f) - 9-llowered, short-pe(luncled : llowcus greenish-white; tlio open calyx 3 linos in 

 iliameter, its short lobes rounded : small petals and stamens very short : berry light 

 red, not larger than peas, acid (intermediate between a goosoberry and a currant), 

 sometimes lu-arly or (piito naked. 



In tlio Sierra Nevada at 0,000 to 10,000 feet, from Mariposa Co. northward. Extends mainly 

 in the form of the var. parvufuvi (mistaken for A', seto.mvi), which is nearly glabrous, east to the 

 Rocky Mountains and noith to Hritish Columbia, and in the ordinary and larger form of the 

 species to the Northern Atlantic States, Labrador, &c. 



§ 3. T/iornless and prickless : leaves plaited in (he bud: racemes few - viany-jlinuered : 

 stamens short : berry unarmed {rarely ylandular-bristly), many-seeded. — 

 KiiucsiA, Jierlandier. (('urrant.) 



* Calyx dilated immediately above the ovary, rotate or saucer-shajied, 5-parted. 



R. PUOSTiiATUM, 1/llir., and 11. i.axiki.ouum, I'nrsli, liave their small red berries beset with 

 scattered gland-tipjicd bristles, in the manner of Ji. lucusirc. The lirst is unknown west of 

 the mountains of Utah, the second south of Washington Territory. 



11. IliiDsONlANUM, liichardson, is between the above and the following, has numerous white 

 flowers crowded in an erect raceme, minute deciduous bracts, and a smooth dark berry. It has 

 not been found nearer California than the K. Humboldt Mountains, N. E. Nevada (A'. braclcom)n, 

 Watson in Bot. King ICxji., not of Douglas). 



8. R. bracteosum, l>uugl. Almu.st glabrous, at least with ago, sprinkled with 

 some resincjus dots, 4 to 10 feet high : leaves large (3 to 9 inches in diameter), 

 5-7-cleft; the lol)es ovate or narrower, acute or acuminate, coarsely and doubly 

 serrate: petioles long: racemes erect or ascending, many-llowered, 3 or 4 inches long, 

 or in fruit sometimes almost a foot long and loose;: bracts persistent, from lililbrm to 

 spatulate, or the lower foliaceous and petioleil, souu'times pa.ssiug into leaves : (low- 

 ers greenish-white : calyx-lobes roundish : berry black, resinous-dotted, a third (jf an 

 inch in diameter, and with the Uavor of black currants ((). — Hook. LI. i. 233. 



