72 



MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Piper.) Prairies, hillsides, and open woods, up to about 2,000 m (prob- 

 ably alpine in Colorado), Newfoundland to British 

 Columbia, south to Oregon, North Dakota, and Colo- 

 rado (fig. 92.) FESTUCA SCABRELLA var. MAJOR Vasey. 

 Culms on the average taller; panicle larger and more 

 spreading; lemmas more strongly nerved. 9| (F. cam- 

 pestris Rydb.) Hills and dry woods, Michigan (Ros- 

 common), Montana to Washington. 



26. Festuca californica Vasey. CALI- 

 FORNIA FESCUE. (Fig. 93.) Culms 

 tufted, rather stout, 60 to 120 cm tall; 

 sheaths somewhat scabrous, the collar 

 pubescent or pilose; blades firm, usually 

 involute, sometimes flat, scabrous; pan- 

 icle open, 10 to 30 cm long, the rather 

 remote branches usually in pairs, spread- 

 ing or drooping, naked below; spikelets 

 mostly 4- or 5-flowered; glumes some- 

 what unequal, 5 to 8 mm long; lemmas 

 firm, faintly nerved, scaberulous, acu- 

 minate or short-awned. 91 (F. aristu- 

 lata Shear.) Open dry ground, thickets 

 and open woods, up to about 1,500 m, 

 Oregon and California, west of the Sierra 

 A smaller form with pubescent lower sheaths, and shorter 



FIGURE 90. Festuca 

 ligulata. Plant, X 

 Yz, floret, X 5. 

 (Type.) 



Nevada. 



FIGURE 91. Fes- 

 tuca scabrella' 

 Panicle, X Yz, 

 floret, X 5. 

 (Rydberg 2106, 

 Mont.) 



FIGURE 92. Distribution of Festuca scabrella. 



mostly glabrous blades, has been called F. californica var. parishii 



FIGURE 93 Festuca cali/ornica. Panicle, X 1 A; floret, X 5. (Elmer 4431, Calif.) 



(Piper) Hitchc. Oregon and California (San Bernardino Mountains). 



