SYNOPSIS OF THE FLORA OF COLORADO. 151 



7-9-flowered: glumes 3 r/ -4" long, each 3-nerved, obtuse; lower pallet 5" 

 long, 7-nerved, awn 1^" long. Twiu Lakes, Porter. Buffalo Peaks and 

 Sierra Madre Kaoge, Coulter. 



BROMUS CILIATUS, L. Divkle between Denver and Colorado Springs, 

 Porter. Wet Mountain Valley,' Brandegee. 



PHRAGMITES COXMUNIS, L. STear Denver, Dr. Smith. 



TRITICUM REPEXS, L. Hall & Harbour, 655. Denver, Dr. Smith. 

 I>. H. Smith. Canon City, Branclegee. Meelian. Along the Platte and on 

 Weston's Pass, Coulter. Known as u blue-joint." 



TRITICUX CAXIXUX, L. Hall & Harbour, 680. 



TRITICOC STRIGOSUM, Steud. Gram., 347. (Bromns, Bieb. T. cegilo- 

 poides* Turcz.) Resembling the last, but glaucous, the leaves narrow 

 and re volute; spike narrow-linear, with the spikelets shorter than the 

 joints or but little exceeding them; glumes obtuse or acutish, or some- 

 times acuminate. Hall & Harbour, 657. Ute Pass, Porter. Plains of 

 the Platte, Coulter. Canby. 



LEPTURUS PAXICULATUS. ETntt. Denver, Dr. Smith. Colorado Springs, 

 Porter. Fremont County, Brandegee. 



HORDEUX JUBATOI, L. Denver, Dr. Smith. B. H. Smith. Colorado 

 Springs and South Park, Porter. Caiion City, Brandegee. Plains of the 

 Platte, Coulter. A common and showy grass, the panicles often being 

 purplish. 



HORDEOT PRATEXSE, Huds. Colorado Springs and South Park, 

 Porter. Plains of the Platte, Coulter. 



ELYMUS CANABEXSIS, L. Colorado Springs, Porter. 



ELY3IUS COXDEXSATUS, Presl. Steud. Grain., 351. Culm stont, 3-8 

 iiigh, roughish-puberulent and short-pubescent at the nodes or nearly 

 glabrous; spike 3 r -15 / long, erect, exserted, or sheathed at base, some- 

 times close-paniculate; spikelets 2-6 together, 3-10-flowered, puberu- 

 leut or nearly glabrous, exceeding the internodes of the pubescent rachis; 

 glumes setaceous-subulate from a very narrow base, 4"-5" long; flowers 

 4" long, acute or short-awned, or barely acutish, the upper palet 2- 

 toothed. Hall & Harbour* 654. 



ELYMUS SITAXION. Schult., (Sitanion elymoides, Kaf., Steud Gram., 

 351. and Polyantlierix Hi/strir, Xees. Steud. Gram., 356J Culms 4'-2 

 high, tufted, and with the leaves and sheaths glabrous or somewhat 

 pubescent or scabrous; spike erect, -3' long, squarrose with its long 

 recurved awns, jointed and fragile at maturity; spikelets in pairs, 2-5- 

 Howered, smooth or puberulent; glumes entire or usually parted to the 

 base and the segments unequally 2-eleft, the divisions long-awned, (l'-3';) 

 flowers 3" long, the awn of the lower palet equaling that of the glumes, 

 with often a subsidiary awn or tooth on each side at the apex of the 

 palet. Hall A- Harbour, 679. Canon City, Brandegee. Mountains west 

 of Denver, Porter. Twin Lakes, Coulter. 



DAXTHOXIA SERICEA, Xutt. Hall < Harbour, 622; Meelian. Ute Pass, 

 Porter. Along the Platte, Coulter. Wet Mountain Valley, Red field. 



AVEXA STRIATA, MX. Hall & Harbour. 623. 



TRISETU3I SUBSPICATOI, Bean v. Hall & Harbour, 625 ; Canby. Gray's 

 Peak, Dr. Smith. Sangre de Cristo Pass, Brandegee. Mount Lincoln, at 

 13,000 feet altitude, Westou r s Pass, Twin Lakes; Divide at the head of 

 Lake Creek at 12,000 feet altitude, and White House Mountain, at 12,000 

 feet, Coulter. 



AIRA c JESPITOSA, L. South Park, Porter. Xear Denver, Mount Lin- 



