SYNOPSIS OF THE FLORA OF COLORADO. 43 



SEBUM RHODAKTHUM, Gr. Sill. Jour. (N. S.) 33, p. 405. Stems nu- 

 merous, 6"-12" high from a thick root, erect simple, leaves flat, scattered, 

 glabrous, oblong or oblanceolate, entire, l'-2' long; corymb l'-2'loug, 

 terminal, simple; flowers large, 4 // -5 // , perfect, mostly tetramerous, more 

 than twice the length of the pedicels; sepals linear; petals rose-color 

 or nearly white, lanceolate, acuminate, twice exceeding the sepals and 

 a little longer than the stamens which are adnate to them below the 

 middle ; ovary straight ; styles filiform. On the banks of rivulets, alpine 

 and subalpine. Hall & Harbour, 189; Parry; Dr. Smith. Mount Lin- 

 coln at 13,000 feet altitude, Coulter. 



SEDUM STENOPETALUM, Pursh. Glabrous ; stems 3'-6' high, erect, 

 several from a decumbent base, simple or somewhat branched; leaves 

 crowded on the barren shoots, fleshy, compressed, subulate, sessile, acute, 

 2"-4" long; flowers bright-yellow, nearly sessile, pentamerous, 3"-4" 

 long ; petals linear, lanceolate, acuminate, twice longer than the subu- 

 late sepals. Common everywhere at the base of the foothills and 

 through the mountains to 12,000 feet altitude. Hall & Harbour, 190; 

 Canby; Dr. Smith ; B. H. Smith; Meehan ; Porter; Coulter. 



HA LOR A GET:. 



HIPPURIS VULGARIS, L. Common, in streams,. Hall & Harbour, 

 13.!; Parry; Brandeyee. Clear Creek Caiion, Coulter. 



ONAGRACEJE. 



EPILOBIUM ALPINUM, L. Hall & Harbour, 167. Chicago Lakes at 

 12,000 feet altitude, Coulter. 



EPILOBIUM TETRAGONUM, L. Stems erect, 6'-2 high, usually branch- 

 ing, 4-sided, nearly glabrous ; leaves opposite, oblong-lanceolate, denticu- 

 late, the middle ones more or less decurrent along the angles of the stem, 

 the lower slightly petioled; flowers small; petals emarginate ; stigma 

 clavate ; capsules pediceled, minutely pubescent. Dr. Smith; B. H. 

 Smith; Porter. Along the Platte and near Mount Lincoln at 10,000 feet 

 altitude, Coulter. 



EPILOBIUM PALTJSTRE, L. Hall & Harbour, 166. 



EPILOBIUM PANICULATUM, L. Stems 6'-3 high, glabrous or glandu- 

 lar-pubescent above, erect, slender, terete, dichotomous above; leaves 

 narrowly linear, obscurely serrulate, acute, attenuate at base, mostly 

 alternate and fascicled ; flowers few, l // -4 // long, light rose-color, ter- 

 minating the spreadi ngn'liforin and almost leafless branches; calyx-tube 

 infundibuliform, petals obcordate, nearly twice exceeding the calyx 

 lobes : capsule short, acute at each end, straight or a little curved, erect 

 or spreading. Hall cfc Harbour, 168. Mountains of Colorado, Canby. 



EPILOBIUM ANGUSTIFOLIUM, Ij.Hall & Harbor, 170; Dr. Smith, 

 B. H. Smith. Ute Pass and Twin Lakes, Coulter. 



EPILOBIUM LATIFOLIUM, L. Stem ascending, often branched, 9 / -lS / 

 high, glabrous or very minutely puberulent; leaves ovate or ovate- 

 lanceolate, sessile, entire or nearly so, rather thick and rigid, l'-l ' 

 long, the veins not apparent; flowers axillary and terminal, on short 

 pedicels; style somewhat erect, glabrous, shorter than the stamens. 

 Hall & Harbour, 1W; Parry. Twin Lakes, Coulter. 



