Figure 74. 



-Festuca idahoensis. Plant, X Yi ; floret, 

 X 5. (Heller 3318, Idaho.) 



MANUAL OF THE GRASSES OF THE UNITED STATES 



Festuca ovina var. duriuscula 

 (L.) Koch. Hard fescue. Blades 

 smooth, wider and firmer than in F . 

 ovina. % — Maine to Iowa and 

 Virginia; introduced from Europe. 



Festuca ovina var. brachy- 

 phylla (Schult.) Piper. Alpine fes- 

 cue. An alpine and high northern 

 form differing in the lower culms, 

 mostly 5 to 20 cm. tall, and the 

 smooth short rather lax blades. % 

 (F. brachyphylla Schult. ; F. ovina var. 

 supina Hack, of Piper's revision of 

 Festuca.) — Rocky slopes, at high alti- 

 tudes, mostly above timber line in the 

 United States, arctic regions south to 

 San Bernardino Mountains, San 

 Francisco Mountains, California, and, 

 in the Rocky Mountains, to northern 

 New Mexico; also in the high moun- 

 tains of Vermont, New Hampshire, 

 and New York. 



Festuca ovina var. glatjca 

 (Lam.) Koch. Blue fescue. Blades 

 elongate, glaucous. % (F. glauca 

 Lam.) — Cultivated as a border plant. 



31. Festuca capillata Lam. Hair 

 fescue. (Fig. 73.) Densely tufted, 



75 



Figure 73. — Festuca capillata. 

 Plant, X %; floret, X5. (Hitch- 

 cock 23624, Newf.) 



bunches, 30 to 100 cm. tall; blades 

 numerous, usually elongate, very sca- 

 brous, rarely smooth, filiform, in- 

 volute; panicle narrow, 10 to 20 cm. 

 long, the branches ascending or ap- 

 pressed, somewhat spreading in an- 

 thesis; spikelets mostly 5- to 7-flow- 

 ered; lemmas nearly terete, about 7 

 mm. long; awn usually 2 to 4 mm. 

 long. % (F. ovina var. ingrata 

 Beal.) — Open woods and rocky slopes, 

 British Columbia to Alberta, south to 

 central California and Colorado. 



33. Festuca arizonica Vasey. Ari- 

 zona fescue. (Fig. 75.) Resembling 

 F. idahoensis; differing in the stiffer 

 glaucous foliage, somewhat smaller 

 awnless or nearly awnless lemmas. 

 % — Open pine woods, Nevada and 

 Colorado to Texas and Arizona. 

 Often called pinegrass. 



more slender and lower than F. ovina; 

 blades capillary, flexuous, usually 

 more than half as long as the culm; 

 spikelets smaller; lemmas about 3 

 mm. long, awnless. ^Qt — Lawns 

 and waste places, Newfoundland and 

 Maine to North Carolina and Illinois; 

 Minnesota; Oregon; introduced from 

 Europe. 



32. Festuca idahoensis Elmer. 

 Idaho fescue. (Fig. 74.) Culms 

 usually densely tufted in large 



Figure 75. — Festuca arizonica. Pan- 

 icle, X y<i\ floret, X 5. (Leiberg 

 5685, Ariz.) 



