494 POACEiE 



New York, Beal 101, 102; Ontario, Fowler; Pennsylvania 

 (Phila.), Scrihn. for U. S. Dej^t, Agricnl. 5G5 ; Illinois (Chicago), 

 Beal 100 in 1869; Minnesota, Bailey B 32; Montana, Kelsey for 

 Anderson 53; Washington, Lake. 



Moist land. New England to Montana. 



6. E. longiflora (Vasey). E. Pennsylvanica longiflora Vasey, 

 Dewey, Coult. Contrib. U. S. Nat. Herb. 2: 544 (1894). 



Rather stout, 60-80 cm. high. Sheaths smooth ; ligule 2 mm. 

 long ; blades scabrid, flat, 9-13 cm. long, 3-5 mm. wide. Panicle 

 linear-lanceolate, 15 cm. long, rays spreading, 2-6 cm. long. 

 Spikelets 2-flowered ; empty glumes scabrid on the keels, first 

 glume compressed, linear-lanceolate when spread, 3.3-3.7 mm. 

 long, second elliptical, acute when spread, about 4 mm. long; 

 floral glume elliptical, almost acvitewhen spread, about 4 mm. long; 

 palea 2.3-2.7 mm. long. Nearly allied to E. Pennsylvanica, but 

 all the glumes and palea longer. 



Texas, Nealley for U. S. Dept. Agricul. in 1888. 



113. (223). KffiLERiA Pers. Syu. PI. 1: 97 (1805). Collinaria 

 Ehrh. Beitr. 4: 147 (1789). Aegialitis Trin. Fund. Agrost. 127 

 (1820). Aegialina Schultes, Mant. 2: 13 (1824). AirocMoa Link, 

 Hort. Berol. 1:126 (1827). Poarion Reichb. Consp. 51 (1828). 

 Lopliochloa Eeichb. El. Germ. Exc. 42 (1830). Wilhelmsia C. 

 Koch, Linnaea 21:400 (1848). Brachystylus Dulac. El. Hautes, 

 Pyr. 85 (1867). 



Spikelets 2-5-7-flowered, rarely 1-flowered, flat, shortly pedicel- 

 late, numerous in a dense spikelike cylindrical or interrupted 

 panicle, rachilla glabrous, articulate between tlie floral glumes. 

 Empty glumes keeled, acute, or produced into short straight awns 

 or points, unequal, scarious on the margins ; floral glume similar 

 but more scarious or hyaline, the upper ones gradually smaller, 3- 

 or rarely 5-nerved ; palea hyaline, 2-keeled, acute, 2-toothed or 2- 

 pointed. Stamens 3. Styles very short. Grain enclosed in the 

 glume and palea, but not adhering. 



Annual or perennial, tufted grasses, blades flat or almost seta- 

 ceous. Nearly allied to Poa and Dadylis. 



A i^'mall genus of about twelve species, extending over the tern- 



