SYNOPSIS OF THE FLORA OF COLORADO. Ill 



somewhat glabrate, erect. l-3 high, .branched ; leaves oblong-lance- 

 olate or the uppermost linear, acuminate, attenuate into a petiole, 

 entire or obscurely repaud-dentate; lower ones 4'-6' long and l'-2' wide, 

 the upper ones proportionately narrower ; flowers in loose terminal race- 

 mes; calyx 3" long, ttibular-campanulate, teeth short, triangular, acute, 

 equal; corolla narrow funnel-form, I' long, the short limbs spreading or 

 more usually erect and closed; capsule 3"-5" long, exceeding the calyx, 

 ovate, acute, 2-valved, valves bifid ; seeds pitted." Watson in King's 

 Rep., vol. 5,2). i>7<>. pi. 27. Gray's Peak, Dr. Smith. 



GENT1ANACEJE. 



GENTLANA AMAKKLLA. L. DC. Prod., 9, p. 95. (G. acuta, MX.; Stem 

 slender, erect, simple, or branched, 2'-10 / high; lowest leaves oval-spat- 

 ulate. upper ones ovate-lanceolate, sessile and sub-clasping, margins 

 scabrous; cyme mostly compound, raceme-like; calyx 5-cleft, lobes lance- 

 olate, somewhat unequal, shorter than the cylindrical tube of the corolla; 

 corolla pale blue, without folds, fringed at the base of the limb, lobes 

 elliptic-lanceolate, shorter than the tube; ovary oblong- linear, sessile. 

 Hall & Harbour, 473: Parry; Canby. Twin Lakes and Sierra Madre 

 Range, Coulter. Subalpiue. 



Var. STRICTA, Watson, (G. acuta, MX. var. stricta, Griseb., DC. Prod., 

 9, p. 96.J Stem 2-4 high ; cymes raceme-like, axillary, strict, elongated, 

 erect; Sowers when dried becoming yellow. Mountains west of Denver, 

 B. H. Smith. Wet Mountain Valley, Brandegee. 



GENTIANA HETEROSEPALA, Eng. Tranx. Saint Louix Acad., 1, p. 215. 

 Annual, erect, simple, 4 / -16 / high, few-flowered, glabrous; lowest leaves 

 obovate-spatulate, -1^' long, upper ones ovate, broad at the base, ses- 

 sile, acute or sub-obtuse, margin minutely scabrous; flowers solitary or 

 fascicled in the axils, on peduncles of unequal length, (3"-lS",) pale blue, 

 6"-8" long; calyx 5-clelt, two of the lobes large, ovate, acute, nearly 

 equaling the corolla, the rest shorter and linear- subulate; corolla spar- 

 ingly-bearded, lobes linear-oblong, obtuse, spreading, half as long as the 

 tube; anthers ovate-cordate; pistil linear. Sierra Madre Bange, Coulter. 



GENTIANA DETONSA, Fries. Hall tf- Harbour, 471. AVet Mountain 

 Valley, Brandegee. B. H. Smith. Mount Elbert, near Twin Lakes, at 

 10.000 feet altitude, Coulter. 



GENTIANA BARBELLATA, Eng. in Iran*. I. c., 2, t. 11. Stems 1-3 from 

 a perennial caudex, very smooth, 1-flowered, 2 / -4 / high ; leaves fleshy, 

 obtuse, with a very narrow, cartilaginous, crenulate margin, lowest linear- 

 oblong or spatulate, attenuated into a petiole sheathing at the base, 

 1' long, cauline few, linear, connate at base, lower pair elongated, at- 

 tenuate at base, the uppermost (2-4) broader at base, involucre-like 

 below the sub-sessile flower, acute or acuminate; calyx 4-cleft, lobes 

 triangular-lanceolate, scarcely longer than the tube, much exceeding the 

 tube of the corolla, 'J long, outer ones a little broader, with a mem- 

 branous margin, mostly dentate; lobes of the deep azure-blue corolla 

 linear-oblong, obtuse, erect-spreading, with the margins short-ciliate 

 half way up, dentate above, tube deeply cauipanulate, greenish-yellow 

 within; lower-part of the purplish-brown filaments attached in the mid- 

 dle, the free edges beset with long and slender fringes, glands between 

 the bases of the filaments conspicuous; ovary ovate, attenuate at base : 

 stigma seini-orbieulate, sessile: seeds squamulose. Mount Flora, in the 

 Snowy Eange, Parry. Sierra Madre Range, Coulter. 



GENTIANA TENELLA, Fries. DC. Prod., 9, p. 98. Stem branching at 



