490 POACE.E. 



Kunth, Enura. PI. 1:331 (1833). E. piUfem Sclieele, Linn»a 

 22 : 344 (184!)). 



A tufted erect perennial, 30-60 cm. high. Sheatlis of sterile 

 shoots slightly compressed-keeled, more or less pubescent, throat 

 pubescent; ligulc a ciliute ring; blades ciliate, flat or involute with 

 filiform points, 4-10 cm. long, 2-3 cm. wide, tlio.se of the culm 

 much the same. Panicle often partly enclosed, thin, narrow or 

 ovoid, 25-35 cm. long; rays in twos to fours, with hairy axils, 12- 

 16 cm. long, branching from near the base. Spikelets on stiff 

 slender pedicels, 0.5-1.5 cm. long, oval, 4-8-flowered, 3-4 mm. long; 

 empty glumes ovate, acute, 1-nerved; first 1 mm. long, second 1.5 

 mm. long; floral glume 1.7 mm. long, broadly oval, lateral nerves 

 not prominent; palea incurved. Grain compressed, oval, 0.7 mm. 

 long. 



Texas, Parry & Palmer 938, Ncalley; Colorado, Jones in 1884; 

 Arizona, Priufjle in 1884; Mexico, Palmer 203, Bouryeau 2643, 

 Schaffncr 1026. 



Texas to Arizona and Mexico. 



26. E. spicata Vasey, Coult. Bot. Gaz. 16: 146 (1891). 



A tufted rather stout erect perennial, 90-120 cm. high. Sheaths 

 5, longer than the internodes; ligule a ciliate ring; blades smooth 

 below, scabrous above, involute, 25-40 cm. long, 4-6 mm. wide with 

 long filiform points. Panicle dense, 30-40 cm. long, 4-6 mm. wide 

 with a few rays slightly projecting. Spikelets oval, 1.7-2.5 mm. 

 long, 3-4-flowered; empty glumes oval, second 1-nerved, 1.2 mm. 

 long; floral glume oval, mucronate, 1.5 mm. long, the lateral 

 nerves obscure; palea oval, 1.2 mm. long. Grain terete, oval, 

 0.7-0.8 mm. long. 



Lower California, Brandeyee 10, in 1890. 



112. (225). EatoniA Raf. Journ. Phys. 89:104 (1819). 7,V- 

 hoiilea Kunth, Rev. Gram. Suppl. 29, t. S4 (1829-35). Colobanthus 

 Trin. Mem. Acad. St. Petersb. (VI.) 1 : 66 (1830). 



Spikelets usually 2-flowered, with an abortive rudiment, numer- 

 ous, smooth, in a dense or interrupted panickv rachilla articulate 

 below the flowers. Empty glumes subscarious, the first narrow, 1- 

 nerved, the second broadly obovate or ellii)tical, 3-nerved; floral 



