150 SYNOPSIS OF THE FLORA OF COLORADO. 



Culms 4'-2 high, rather stout, ascending; leaves 2'-6' long, 2"-4" 

 wide, scabrous on the margin; panicle uniform, branchlets numerous, 

 divided ; glumes J" long, purplish ; flowers I" in length, light-brown iu 

 color. Hall& Harbour, 003. Wet Mountain Valley, Brandeyee. 



BRIZOPYRUM SPICATUM Hook, var. STRICTUM, Gray. ( Uniolastricta, 

 Torr. Steud. Gram., 2SLJ Spikelets many-flowered, and the panicle 

 mostly rather loose and elongated, IJ'-Sj 7 in length ; culms J-2 high ; 

 pistillate spikelets 4"-8 // long, 4-13"flowered, the lower palet acutish or 

 almost acuminate ; staminate spikelets 4 // -9 // long, 0-18-flowered, slen- 

 der-pediceled and often somewhat nodding. Hall & Harbour, 040. 

 South Park, Porter. 



POA ALPINA, Ij.Hall & Harbour, 074. Mt. Lincoln, at 12,500 feet 

 altitude, Weston's Pass, at 11,000 feet, and White House Mountain, at 

 1 1,500 feet, Coulter. 



POA CASSIA, Sm., var. STRICTIOR, Gr. On Pike's Peak, Canby. Along 

 the foothills, Coulter. 



POA SEROTINA, Ehrh. Hall & Harbour, 072. Ute Pass, Porter. 

 Weston's Pass, Coulter. 



POA TENUIFOLIA, Nutt. Tufted, l-2 high ; culm slender, erect, gla- 

 brous or with the sheaths and leaves more or less scabrous ; leaves nar- 

 rowly linear, I'-G' long ; ligules short ; panicle erect, narrow and rather 

 -r*ose, 2 / -0 / long, the branchlets 2-5 together and scabrous ; glumes 

 5"_2" long, acute or acutish, a little scabrous on the mid-vein, 3-4-flow- 

 ered 5 lower palet 2" long, obtuse, nearly glabrous, puberulent or some- 

 what pubescent at base, but little compressed ; flowers readily separ- 

 ating at the joints. Hall & Harbour,. 008 and 075. 



POA ANDINA, Nutt. In dense perennial tufts, glabrous excepting the 

 more or less scabrous panicle ; culms 4 / -2 high; slender, erect ; leaves 

 very narrow, l'-3' long, mostly revolute; ligules %"-2" long, acumi- 

 nate; panicle narrow or linear, strict, l'-2J', long, the branches 2-3 

 together; spikelets 2-3 flowered; glumes lJ"-2" long, acute or acutish, 

 a little scabrous on the mid vein; palets l /x long, pubescent, villous at 

 base, the lower one obscurely nerved, but little compressed. Near Long's 

 Peak, June, at 8,000 altitude, and Mount Lincoln, at 13,000 feet, Coulter. 



ERAGROSTIS PURSHII, Beriih. Near Denver, Dr. Smith. 



FESTUCA OVI^A, L. Meehan. Canon City, Brandegee. Clear Creek, 

 Porter. Denver, Dr. Smith. 



Var. DUR IUSCULA, Gr. Hall & Harbour, G65. ' Twin Lakes, Porter. 

 East Kiver, Taylor Kiver, and White House Mountain, at 13,000 feet 

 altitude, Coulter. 



Var. BREVIFOLIA, Watson. (F. brevifolia, Br., Steud. Gram., 313.} 

 King's Rep., vol. 5, p. 389. Tufted; culms low and slender, 4 / -8 / 

 high ; leaves setaceous and sheaths glabrous, the uppermost leaves 

 often very short and the sheath rather loose ; panicle racemose and nearly 

 simple, erect, l'-2' long ; spikelets l/^-tiowered ; flowers terete, some- 

 what scabrous, about 2" long, twice the length of the awn. Hall & Har- 

 bour, G66. Parry, 373. Near Denver, Dr. Smith. Twin Lakes, Porter. 

 Along the Platte, Coulter. 



BROMUS KALMIT, Gr., var. Culm 12/-18 7 high, smooth; sheaths and 

 leaves minutely scabrous ; panicle & long, compound, branches minutely 

 downy ; spikelets 1' long, cauesceut with short appressed silky hairs 



