FEBTCCA GRAMINE^ 767 



sterile shoots numerous, about half as long as the stem ; those of the stem 

 2-3, erect, involute, 2-3 inches long : panicle erect, open 3-6 inches long, its 

 branches mostly in pairs, the lower J^-2 inches long : spikelets brownish red, 

 linear-lanceolate, 4-7 lines long, 4-8-flowered: empty glumes unequal, the 

 first lanceolate, acute, 2 lines long, the second a line longer ; acuminate, 

 flowering glumes linear-lanceolate, 5-nerved, 2>^-3 lines long, palets lanceo- 

 late, scabrous below and on the keels. On the highest peaks of the Cascade 

 Mountains. 



F. ELATioR L. Sp. 75. , A tufted perennial: 2-6 feet high, often with 

 short creeping rootstock : sheaths smooth, shorter than the internodes: 

 ligules short : leaves of the stem 2-4, flat, 6-10 inches long, 2-3 lines wide : 

 panicle contracted after flowering, 4-10 inclies long : its branches mostly 

 m pairs, the longest 3-5 inches long : spikelets linear-oblong, 6-11-flowered, 

 B-iS^nes-ieiig: empty flumes lanceolate, the first li^ line long, the second 

 a little longer; flowering-glumes oblong, acute, scabrous toward the tip. 

 rarely awned, 5-nerved, 2)^-3 lines long: palets linear, scabrous'on the 

 keel. Common in meadows and waste places : introdiiced from Europe. 



F. Jonesii Vasey 1. c. 278. A densely tufted, perennial : stems erect, 

 3-4 feet high : sheaths usually scabrous, shorter than the internodes : 

 ligules less than a line long : radical leaves numerous, about half as long as 

 the stem ; those the stem 3-4, flat or involute, 5-15 inches long, 2-4 lines 

 wide: panicle slender, open, 7-15 inches long, its capillary flexuous bran- 

 ches single or in pairs the lowest remote, 3-5 inches lopg : spikelets narrow, 

 3-5-flowered, 5-6 lines long: flowering glumes scabrous, 1-inear-lanceolate, 

 2-3 lines long, 8-5-nerved: awns slender, 3-7 lines long: palets linear- 

 lanceolate : stamens 3. Oregon to Brit. Columbia and Idaho. 



F. breTifolia E. Br. Parry first Voy. Suppl. 280. A, densely tufted 

 perennial : stems rigid, 2-5 inches high : sheaths shorter than or equalling 

 the internodes : leaves of sterile shiwts setaceous, 1-3 inches long, those of 

 the stem short or almost obsolete : panicle dense, linear, simple, racemose, 

 2-3 lines long ; spikelets elliptical, 3 lines long, 1-4-flowered : empty glumes 

 scarcely equal, the second broadly lanceolate : flowering glumes 1-2 lines 

 long, elliptical-lanceolate, keeled above: awn 1 line or less '^ong : palets 

 oblong, acute, 2-toothed. On high mountains eastern Oregon to Alaska 

 and tlie Rocky Mountains. < 



F. orina L. Sp_. 73. A densely tufted perennial : stems slender, erect, 

 ligid, simple, 6-20 inches high : sheaths usually crowded at the base of the 

 stems: ligules short : leaves filiform or setaceous, those of the stem few, 1-^3 

 inches long, erect, the basal ones numerous : panicle 1-3 inches long, of- ' 

 ten secund, narrow, its branches short, usually erect or appressed : spike- 

 lets 3-5-flowered: empty glumes unequal, acute, the first l-nerved, the 

 second 8-nerved; flowering glumes 1)^-2 lines long, smooth, acute, usually 

 short-awned. On plains and rocky slopes in various forms, Mexico to 

 Alaska and across the continent : also Europe and ^sia. 



Var. durinscvla Hack. Monog. FesI;. Eu.' 89. F. duriuscuta L. 

 Stems taller and stouter, panicle usually more open: flowering glumes 

 about 3 lines long. Oregon to Alaska and the Bocky Mountains: also in 

 Europe. 



Var. polyphylla Vasey, Beal 1. c. 597. Stems 2>^-3 feet Wgh, ' 

 grooved below the panicle: leaves of sterile shoots numerous'; siieaths split 

 for most of their length: panicle open, 4-8 inches long; spikelets linfeai- 

 lanceolate, 5-flowered: the second glume ovate-lanceolate 3-nerved. 

 flowering glumes slender 3-3>^ lines long, Oregon. 



Var. ingrata Hack, in herb. Beal 1. _c. 598. Stems 20-30 inches 

 high; leaves of sterile shoots scabrous, 8-10 inches long; those of the stem 

 3-5 inches long; panicle 4-6 inches long: its branches in pairs or single 

 the longest about 2 inches long; spikelets 6-8-flowered: the second glume 



