SYNOPSIS OF THE FLORA OF COLORADO. 137 



ones subulate-tipped, inner ones broader, mucronate, more than twice 

 longer than the 6 stamens ; anthers equaling the filaments; stigma scarcely 

 equaling the ovate ovary with its short style, included; capsule straw- 

 colored, ovate, retuse, 3-celled 7 equaling or a little longer than the sepals; 

 seeds very slender, body about 3" long, and with the appendages, 5"-7" 

 long. Hall, fide Engelmarm. 



Juxcus TENTHS, Willd. Plains of the Platte, Coulter. Canon City, 

 Brandegee. 



Juxcus BUFOXIUS, L. Hall & Harbour , 559. Upper Arkansas, Porter. 

 On the Platte, near Denver, Dr. Smith. 



Juxcus LONGISTYLIS, Torr. Bot. Bound Surv., p. 223. Eng. Rev., I. c., 

 p. 453. (J. Menziesii, Gr. in PL Parry., p. 34, and PL Hall & Harbour, p. 77.) 

 Stems 2 high, caespitose, stolon Herons, terete, somewhat minutely scab- 

 rous above, leafy; leaves flat, grass-like; heads few, clustered in a con- 

 tracted panicle, l'-3' long or rarely single; 3-8 or 12-flowered, flowers 

 2V '-3" long, the larger ones greenish, with brown stria3, smooth, pediceled ; 

 sepals equal, ovate-lanceolate, very acute or cuspidate, twice longer than 

 the stamens; ovary equaling the stamens and style; stigma exserted; 

 capsule ovate, obtuse, mucronate or rostrate, chestnut-colored, shining; 

 3 celled, equaling or a little longer than the calyx; seeds oblanceolate 

 or obovate, acute at each end, costate-reticulate, .25 // -.27 // long. The 

 most common Juncus in the mountains next to J. Balticus, var. monta- 

 nus. Hall & Harbour, 566. Denver, Dr. Smith ; B. H. Smith. South 

 Park, Canby. Twin Lakes, Porter. Canon City, Brandegee. Meehan. 

 Plains of the Platte, Coulter. 



JUNCUS ALPINUS, Vill., var. INSIGKNIS, Fries. Eng. Rev., 1. c., 458, (J. 

 articulatus, L., var. pelocarpus, Gr.) Hall & Harbour ; 558; Canby. 



JUNCUS NODOSUS, L., var. ME&ACEPHALUS, Torr. Denver, Dr. Smith; 

 B. H. Smith. Caiion City, Brandegee. 



JUNCUS MERTENSIANUS, Bong. Eng. Rev., L c., p. 479. (J. ensifolius, 

 Hook. Gr. in PL Hall & Harbour.) Stem from a thick, creeping root- 

 stock, csespitose, 7 / -14 / high, compressed, weak; leaves aversely com- 

 pressed, usually J"-l" wide, sheath auricled; flowers 15-25, dark brown, 

 pediceled, single, rarely 2-3 in a rather loose head, "-6" broad ; sepals 

 ovate-lanceolate, the outer acuminate-subulate, the inner obtuse and 

 mucronate or rarely acute and equaling the outer ones, exceeding the 

 3-6 stamens, equaling the broadly-obovate, obtuse, mucronate capsule; 

 anthers oblong or oblong-linear, usually mucronate, equaling the fila- 

 ment or shorter; style mostly shorter than the obtuse ovary; seeds 

 oblauceolate, obovate, fusiform, short-tailed at each end, reticulate- 

 costate. Hall & Harbour, 565. Canon City, Brandegee. Ute Pass, Por- 

 ter. Mount Lincoln, at 12,000 feet altitude, White House Mountain, at 

 11,000 feet, and Twin Lakes, Coulter. Wet Mountain Valley, Redfield. 



JUNCUS XIPHIOIDES, E. Mey. Eng. Rev., I. c., p. 481. Stem l-4high, 

 from a thick creeping rhizoma, erect, 2-edged ; leaves compressed and 

 equitant; flowers about 1J" long, pediceled, few or many in few or 

 many heads ; sepals lanceolate, subulate-acuminate, equal or the inner 

 ones more obtuse, shorter, nearly twice longer than the 6 (rarely 3) 

 stamens, usually equaling the angular, acute, mucronate or beaked cap- 

 sule; anthers oblong-linear, almost equaling the filament; ovary ovate, 

 attenuate into the shorter style; stigma subexserted ; seeds ovate-ob- 

 lauceolate, .25 // -.26 // long, pointed at each end, reticulated and trans- 

 versely lined. 



Var. MONTANUS, Engelm. Lower, J-2 high; leaves narrower, 



