768 GKAMINE^E FESTUCA 



linear, acute, 3-nerved, about 3 lines long: flowering glumes elliptical- 

 lanceolate, about 3 lines long, the awn %-2> lines long. Southern Oregon. 



Var. Columbians! Beal 1. c. 599. Stems 20-30 inches high, with 2 

 nodes; sheaths smooth: leaves of sterile shoots 7-12 inches long, firm, 

 glaucous: scabrous, nearly cylindrical: panicle thin, 2-7 inches long, its 

 branches scabrous, the longer 2-3> inches long: spikelets 4-7 lines long, 

 3-7-flowered, the first empty glume narrow about 2 lines long, the second 

 linear, acute, 2^-3 lines long: flowering glumes 3-3) lines long. About 

 Pullman Washington. 



Tar. Oregana Hack. BeaJ i. c. 599. Stems slender, 2-3 feet high : 

 leaves of sterile shoots 4-6 inches long, panicle thin, 2-4 inches long, its 

 branches solitary, the longest 1-2 inches long: spikelets 2-6-flowered ; second 

 glume linear, subulate, 3 lines long: flowering glumes linear, 3 lines long, 

 palets a little longer than the glumes. Eastern Oregon. 



F. amethystina L. Sp. 74. A tufted perennial : sterna rather slen- 

 der, 2-3 feet high, with 2-3 nodes: sheaths shorter than the internodes: 

 ligules a mere ciliolate ring: leaves of sterile shoots flaccid, conduplicate, 

 5-15 inches long: those of the stem 2-3, the upper 3-5 inches long: panicle 

 simple: secund, narrow or spreading, 4-8 inches long, the lower branches 

 usually in pairs, scabrous, the longer 4-5 inches long: spikelets linear- 

 lanceolate or oval 3-7-flowered, about 3% lines long: first empty glumes 

 lanceolate, 1^ line long, the second linear-lanceolate, about 2 lines long: 

 f lowering glumes scar ious, lanceolate-oblong, 2-3 lines long: in volute, awn- 

 less or with an awn )^-l line long: palets linear, 2-toothed, scabrous on the 

 keels. Oregon to California, also in Europe. 



F. scabrella Torr. Hook. Fl. ii, 252, t. 233. An erect tufted peren- 

 nial 2-4 feet high: sheaths smooth: ligules acute, 1-5 lines long: leaves 

 of sterile shoots numerous, smooth or scabrous, involute, those of the 

 stem usually 2, rigid, scabrous above, 3-5 inches long: panicle thin, 5-7 

 inches long, its branches mostly in pairs, 3-5 inches long: spikelets 3-7- 

 flowered, 4-7 lines long: empty glumes chartaceous, ovate-lanceolate, the 

 first 1-nerved, 2-3 lines long, the second 3-nerved 2-3j^ lines long: flower- 

 ing glumes oblong, scabrous, 5-nerved, 3-4 lines long, sometimes with a 

 stout awn about % line long. Eastern Washington to Alaska and Iowa. 



F. rubra L. Sp. 74. A densely tufted perennial: stems ascending, 

 geniculate at base, l%-2% ^ eet high* fr m running rootstocks, sheaths 

 usually shorter than the intemodes, ligules very short, truncate: basal leaves 

 involute-filiform: 3-6 inches long, those of the stem erect, flat or involute: 

 panicle 2-5 inches long, sometimes red, open in flower, contracted in fruit: 

 spikelets 3-1 0-f lowered, 4-6 lines long: empty glumes acute, the first 1 -nerved, 

 shorter than the 3-nerved second one: flowering glumes about 3 lines long: ob- 

 scurely 5-nerved, sometimes scabrous, bearing awns of less than their own 

 length. Oregon to Alaska and Labrador. 



Var. fallax Hack. Fest. En. 142. Densely cespitose, glaucous, 

 strongly tinged with purple. 20-30 inches high: panicle 3-4 inches long: spike- 

 lets elliptical-lanceolate, 2-7 -f lowered : flowering glumes 2-3 lines long, rather 

 abruptly pointed with a very short awn. Oregon and Washington to the 

 Rocky Mountains. 



Tar. trichophylla Hack. 1. c. 141. Stems slender, about 30 inches 

 high, ascending from creeping rootstocks: lower sheaths shredded: panicle 

 linear-oblong 3-5 inches long, flowering glumes linear-lanceolate, glabrous , 

 bearing a short awn. Oregon and Euro; e. 



Var. pubescens Vasey, Beal 1. c. 607. Stems loosely tufted, 2-3 



