SYNOPSIS OF THE FLORA OF COLORADO. 149 



acute, half shorter than the spikelet ; lower palet carinate, 3-nerved, 

 (with prominent lateral nerves,) scabrous-pubescent, erose denticulate 

 at the apex, niucrouate, villous at base, upper one about as long-, con- 

 spicuously 2-keelecl, 2-toothed ; stamens 3 ; ovary stipitate ; squainulsB 2, 

 obliquely truncate ; caryopsis free. Hall & Harbour, 635. 



KCELERIA CRISTATA, Pers. Kear Denver, B. H. Smith. Colorado 

 Springs, Porter. Monument Park, Twin Lakes, and on the Upper Arkan- 

 sas, Coulter. Hall & Harbour, 650. 



MELICA BULBOSA, Geyer. ( M. powoides, Torr. Bot. Wliippl, not Xutt.) 

 Gray in Proo. Am. Acad.^ vol. 8, p. 409. Culins erect, slender, 1J 2 high 

 often enlarged and bulb-like at base, slightly scabrous above, nodes, 

 naked ; sheaths longer than the internodes and scabrous, the ligules 

 usually long and lacerated; leaves scabrous, mostly flat and elongated, 

 l"-2" wide ; panicle narrow and often interrupted, the branches unequal 

 and erect, subscabrous, rarely spreading ; spiklets erect and scarcely 

 secund, 3-5-flowered, usually more or less purple ; glumes obtuse or 

 acutish, glabrous, 5-uerved ; lower palet about 4" long; 7-nerved, pu- 

 berulent on the back, membranous-margined, rather obtuse, upper palet 

 pubescent on the nerves erose-truncate; grain 2" long. 



Var. Culms slender, little enlarged at base, 1 high ; leaves narrow 

 and revolute ; panicle narrow ; spikelets 10-15 ; glumes longer, more 

 acute; lower palet obscurely 5-nerved, upper palet not pubescent on 

 tho margins. Ute Pass and Twin Lakes, Coulter. 



MELICA MUTIOA, Walt., Gr., var. PARVIFLORA, Porter. Culms 2 

 high; panicle narrow,! long; flowers 3-4, smaller ; leaves narrower ; 

 spikelet much exceeding the larger glume ; pedicels below the flowers 

 more hairy. Glen Eyrie, Porter. Meehan. Sierra Madre Range, Coulter. 



GLYCERIA PAUCIFLQRA, Presl. Steucl. Gram., 285. Roots creeping ; 

 culms 1-3J high, smooth, nodes naked; sheaths and the broad linear 

 leaves (3 / -12 / long) scabrous; panicle loosely spreading, the slender 

 iiexuous branches in pairs, divided, scabrous ; spikelets narrow-oblong, 

 2" long, 4-6-flowered, often purplish; glumes rounded, unequal, the 

 lower obscurely 3-nerved, scarious on the margin, lower palet truncate- 

 obtuse, the apex minutely serrulate and distinctly scarious, 5-uerved, the 

 upper one emarginate. Sail & Harbour, 662. Canon City, Brandegec. 



GLYCERIA AQUATICA, Sm.Hall it: Harbour, 629. Monument Park, 

 Coulter. 



GLYCERIA AIROIDES, Thurber. (Poa airoides, ^"utt. in Gen. l,p. 68.) 

 Culm 4-5 high, erect; leaves with very long sheaths, short and acute ; 

 panicle erect, attenuated ; branches seini-verticillate, few and capillary ; 

 spikelets oblong, obtuse, nearly sessile, or upon short peduncles, 4-6- 

 flowered ; glumes very unequal, shorter than the palets; flowers dis- 

 tinct, somewhat cylindric, obtuse, shining, purplish, scarious, and often 

 lacerate at the point, obsoletely 5 nerved, inner valve scabrous on the 

 margin. Hall & Harbour, 630." South Park, Porter. Canby. 



GLYCERIA DISTAXS, Wahl. Colorado, fiae Watson. 



CATABROSA 1 AQUATICA, Beauv. (Glyceria, Presl., Steud. Gram., 2S6J 



SA, Beauv. Spikelets 2-3-flowered ; floAvers equal, perfect. Glumes mein- 

 l)raiions. colored, uneiiuul. shorter than the flower, concave, the lower oWong, 

 l-nerved. the upper ol>ovate, 3-uerved. erosely dentate at the apex, or both nerveless. 

 Palets membranous, equal in length, the lower 3-nerved and 3-keeled. trvmeaie-obTust-, 

 the upper 2-uervtMl and v?-keeled, rounded and somewhat 3-lobed. Stamens 3. Sr vies "2, 

 very short ; the stigmas plumose. Scales "2. shorter than the ovary. Grain oblong, free, 

 .shortly pediceled. Glabrous, creeping aquatics, with flat leaves, elongated mem- 

 branous ligules and diffusely b ranched panicles with, semi-verticillale branches: 

 flowers jointed at base and deciduous. 



