Ramaley: revision of MINNESOTA hordeae. Ill 



cm. in length, not including the awns and capillary empty 

 glumes, pale green, very fragile when mature, spikelets in 

 threes, 1 flowered, the lateral ones aborted, placed on pedicels 

 1 to 2 mm. in length; empty glumes capillary, 3 to 6 cm. in 

 length, scabrous, curved or spreading; flowering glumes of the 

 perfect flowers lanceolate, 3 to 6 mm. in length, with spread- 

 ing capillary awns as long as the empty glumes, the flowering 

 glumes of the aborted flowers subulate 5 to 10 mm. in length. 



Europe and Asia; S. Russia; E. Siberia. 



North America: N. S., Q., Ont., Saskatchewan to B. C; N. 

 to Mackenzie and Yukon rivers; S. to Great Lakes and Minn. ; 

 W. to Neb. , Colo, and Northern Cal. 



Minnesota: Abundant along roadsides, waste and sandy 

 places. 



Minn, specimens in herb. ; Sheldon 176, Madison lake. Blue 

 Earth county; Ballard 155, Chaska; Foote 6, Worthington; Oest- 

 hind 336, Minneapolis; Kassube 21 J^, Minneapolis; Bailey 128, Ver- 

 milion lake. Sandberg 529, Red Wing. 



ELYMUS Linn. Hort. Upsal. 22. 1748. 



Sitospelos Adans. Farn. 2: 36. 1763. 

 Orthostachys Enun. Beitr. 4: 146. 1789. 

 Sitanioii Raf. in Journ. Phys. St): 103. 1819. 

 Polyantlierix Nees. in Ann. Nat. Hist. Ser. I. 1: 284. 1838. 

 Leymus Hociist. in Flora 31: 118. 1848 in adnot. 



Elyinus elymoides (Raf.) Sweezev Cat. Neb. PL 15. 

 1891. Lyme Grass or Wild Rye. 



Sitanion elymoides Raf. Jour. Phys. 89: 103. 1819. 

 Aegilops hystrix Nutt. Gen. 1: 86. 1818. 

 Noi Elymus hystrix LiNN. Sp. PI. 560. 1753. 

 Elymus sitanion II. & S. Mart 2: 426. 1824. 

 Polyantlierix hystrix Nees. Mart. Bras. 1829. 



Annual or short lived perennial; stems 1.5 to 5 dm. in length, 

 stout, erect or nearly so, covered at the base with numerous 

 membranaceous scales or sheaths, giving a bulbous appearance; 

 leaces 1 to 2.5 dm. in length; sheaths striate, varying from 

 glabrous to pubescent; blades 2 to 5 mm. broad, scabrous above 

 and more or less pubescent below; inflorescence 3 to 10 cm. in 

 length, rather loose, fragile when mature, often purple tinged; 

 spikelets 9 to 12 mm. in length, not including the awns, in pairs, 

 1 to 5 flowered; eniptu glumes subulate, entire or parted even to 

 the base and these divisions often unequally 2 cleft, termin- 

 ating in scabrous, divergent awns, the whole 4 to 10 cm. in 

 length; flowering grZi^wes 6 to 12 mm. in length, ovate-lanceolate, 



