308 POACE.E. 



or ascending. Spikelots linear-limceolatt', 2.5-3 mm. long, the 

 awn i-G mm. long (rarely unawned), thinly dollied witii soft 

 short hairs, empty glumes snbe<iua1, longer than the lloret, elliptical, 

 thin, soft, nerves obscure; lloret pubescent, linear, about 2 mm. long. 



.Mexico (('hihuahua), l^rinyle 391. 



This grows on cool mountain-slo])e3, scattered in slight clumps; 

 a beautiful grass, soft, velvety, with purple panicles and of average 

 quality for grazing pur|)oscs. 



3. E. distichophylla (l*resl) Vasey, Cat. Gr. U. S. 45 (1885). 

 PodimvniKin (lishchopliijUuni Presl, IJeliti. Ila-'nk. 1:231 (1830). 

 Muhk'iihertjiti (lislii-ltophyUa Muiiro. Vasey, Cat. (Jram. U. S. 45 

 (188">). not Kunth. E. Emerslcyi Vasey, Contrib. U. S. Nat. 

 Herb. 3: (JO (1802). 



A stout erect perennial, 1-2 metres higli, culms and sheaths 

 more or less c()nii)ressc'd, the former hard and solid or with no 

 hollow. Ligule thin, 5-15 mm, long; blades hard, scabrous, con- 

 duplicate below, above variously folded, 30-GO cm. long, 3-5 mm. 

 wide, with long narrow points. Panicle contracted, lanceolate, 

 or slightly spreading, purplish or phunbous, lo-30-GO cm. long; 

 rays scattered, numerous, appressed, branching, llower-bearing 

 along the upper three-fourths, the longest 8-10 cm. long. Spike- 

 lets on pedicels, which are 1-3 mm. long; empty glumes thin, sub- 

 equal, oval, obtuse or acute, scabrid on the back, 1-3-nerved, 2-2.7 

 mm. long; floral glume obscurely 1-nerved, as long as the empty 

 glumes or a little longer or shorter; floral glume shortly pilose on the 

 margins below, oval, or with an obscure nerve on each side, apex 

 split, the awn 5-10 mm. long; palea oval when spread, as long as 

 its glume. Nearly allied to E. grandis (Vasey). 



Arizona, U. S. Dept. Agricul. 379; Mexico, Parry £ Palmer 

 920, 928, Pri)igh 2356. 



Arizona, Mexico. 



Var. mutica Scribn. 



Emi)ty glumes a trifle longer than the floral glume; floral glume 

 obscurely 3-nerved, 1.5 mm. long, awnless or with a mucro; palea 

 oval, obtuse or as long as its glume. 



