SYNOPSIS OF THE FLORA OF COLORADO. 39 



leaves small, crenately lobed, cauline ones 3-lobed or entire ; lobes of the 

 calyx ovate, obtusish, at length shorter than the tube ; petals ovate, 

 obtuse, twice longer than the calyx, white or pinkish; tube of the calyx 

 obconical, wholly adherent to the ovary; styles very short; stigina 

 capitate. Alpine. Hall & Harbour, 198. Sangre de Oristo Pass, Bran- 

 deyee. 



SAXIFRAGA HIRCULTJS, L. Stem 1-6-flowered, leafy ; leaves lance- 

 olate, nerved, not ciliate ; pedicels and upper part of the stem more or 

 less hairy, not glandular ; sepals usually ciliate, obtuse, much shorter 

 than the obovate, many-nerved petals retiexed ; flowers very large, yellow ; 

 style very short; stigma spatulate, at first inflexed, at length divari- 

 cate. " South Park, in wet or swampy places." Hall & Harbour, 201 ; 

 Canby. 



SAXIFRAGA SERPYLLIFOLIA, Pursh. Dwarf, csespitose, shoots creep- 

 ing; leaves rosulate, imbricated, somewhat reflexed, oblong-obovate, 

 thick, 3"-4" long, very smooth ; stem filiform, few-leaved, slightly glan- 

 dular pubescent, l'-2' high, 1-3-flowered ; calyx not adherent to the 

 ovary, the segments reflexed, obtuse, much shorter than the broadly- 

 obovatc, yellow, 3-nerved petals. Alpine. Hall & Harbour, 199. Gray's 

 Peak, Dr. Smith. Sangre de Oisto Pass, Brandegee. Gray's Peak at 

 12-1,300 feet, Redfield. 



SAXIFRAGA FLAGELLARIS, TTilld. Glandular-pubescent ; stems sim- 

 ple, '-6' high, leafy, 1-5-flowered ; stolons from the axils of the radical 

 leaves long and filiform, naked and rooting at the ends; leaves obovate- 

 spatulate, ciliate, lower much crowded, the upper oblong or linear ; flow- 

 ers large, yellow, 3"-4" long ; sepals very glandular, united at the base 

 and slightly coherent with the ovary; petals persistent, 3"-4" long, 

 longer than the capsule. Alpine. Hall & Harbour, 200 ; Parry. Mount 

 Lincoln at 13,000 feet altitude, Coulter. 



SAXIFRAGA BRONCHIALIS, L. Perennial ; stems ascending, slender, 

 producing short branchlets ; leaves linear, 4"-5" long, rather coriaceous, 

 finely ciliate, mucrouate-pointed, crowded below; flowers corymbose on 

 a long, slender, bracted peduncle, 3 / -8 / high ; sepals lanceolate or ovate, 

 obtuse or acutish; petals obovate-obloug, white, marked with numerous 

 purplish spots, much exceeding the sepals ; styles and stigmas con- 

 vergent during flowering. Eocky places. Hall & Harbour, 197 ; Parry ; 

 B. H. Smith- Canby ; Porter. Mount Lincoln at 10,000 feet altitude 

 and Twin Lakes, Coulter. 



SAXIFRAGA PUXCTATA, L. (S.ccstivalis, Fisch.) Perennial, villous- 

 pubesceut or nearly glabrous ; leaves radical, l'-2' in diameter, long- 

 petioled, roundish, reniforni or orbicular, equally and deeply dentate, 

 the teeth mostly acute; scape slender, naked, 1-!^ high, the pe- 

 duncles and pedicels of the usually open panicle gfandular; bracts 

 small, linear; petals white, oval, or orbicular, obtuse, exceeding the ob- 

 tuse, ovate-oblong, reflexed sepals; filaments often petaloid and abor- 

 tive; ovaries distinct below the middle. Hall & Harbour, 207. Pike's 

 Peak, Canby. Gray's Peak, Dr. Smith. Mount Lincoln, at 12-1 -4,000 feet 

 altitude, and Mount La Plata, at 11,000 feet altitude, Coulter. 



SAXIFRAGA STELLARIS, L., var. COMOSA, Willd. Mount Evans, at 

 13,000 feet altitude, Greene. 



SAXIFRAGA NIVALIS, L. Perennial ; leaves all radical, ovate or obo- 

 vate, attenuate into a broad petiole, unequally crenate-dentate; scape 

 naked, 3 / -12 / high, capitately or sub-corymbosely several to many- 

 flowered; the half- adherent calyx erect, shorter than the oblong, obtuse. 



