Ramaley: REVISION OF MINNESOTA hordeae. 115 



above and below; inflorescence 2 to 6 cm. in length, strict, 

 narrow, empty glumes scabrous or setulose, acuminate or short 

 awned; flowering glumes generally inconspicuously 3 nerved at 

 the tip, rough or scabrous, with awns 3 to 10 mm. in length. 



This plant has been distributed from the national herbarium 

 as var. minor but has apparently not been described. 



North America: Minnesota to Tex. 



Minnesota: With the species, infrequent. 



Minn, specimen in herb : Sheldon 1735, Lake Benton. 



HYSTRIX MOENCH. Meth, 294. 1794. 



Asperella Humb. in Roem. & Ust. Mag. 3: vii. 5. 1790. 

 Not Asprella Schreb. Gen. 45. 1789. 

 Not Asprella Host. Gram. Austr. 4: 17. 1809. 



Asprella Willd. Enum. Hort. Berol. 132. 1809. 



Gynmostioliuni Schreb. Beschr. Grils. 2: 127. 1810. 



Hystrix hystrix (Linn.) MacM. Metasp. Minn. Val. 89. 

 1892. Bottle Brush Orass. 



Elymus hystrix LiNX. Sp. PI. 560. 1753. 



Asperelia hi/sti-ix Humb. in Roem. and Ust. Mag. 3: vii. 6. 1790. 



Hystrix patula Moench. Meth. 295. 1794. 



Asprella hystrix Link. Enum. Hort. Berol. 100. 1809. 



Asprella hystrix Willd. Enum. Hort. Berol. 132. 1809. 



Gymnostichum hystrix Schreb. Beschr. Griis. 2: 127. 1810. 



Elymus jjsevdo-hystrix ScnvLT. Mant. 2:427. 1824. 



Asprella angustifolia NuTT. Trans. Am. Phil. Soc. 5: 151 . 1834. 



Asprella major Fres. ex. Steud. Nom. ed. ii. 1: 150. 1840. 



Oymnostichu})i majus H'EYNn. Nom. 4:370. 1840. 



Perennial; stems 7 to 12 dm. in length, erect or nearly so; 

 leaves 2.5 to 4 5 dm. in length; sheaths smooth; blades 8 to 20 

 mm. broad, occasionally narrower, scabrous below, roughened 

 above, sometimes glaucous, flat or somewhat involute; inflores- 

 cence 1 to 2 dm. in length, straight or somewhat curved, loose; 

 spikeleis spreading, 2 to 4 flowered, in twos or threes (seldom 

 solitary) at each joint of the rachis, 5 to 10 mm. apart; empiij 

 glumes setaceous, deciduous or entirely wanting, flowering 

 glumes 6 to 12 mm. in length; lanceolate, 3 to 5 nerved at the 

 tip, smoothish, or more often bristly hairy or pubescent, with 

 awns 2 to 4 cm. in length. 



North America: N. Br., Q., Ont., Man. to the Saskatchewan; 

 S. to N. Y., N. J., and Ga.,; W. to 111., Minn., Dak., Neb. and 

 Ark. 



Minnesota: Throughout, frequent. 



Minn, specimens in herb. : Sheldon 459, Madison Lake, Blue 

 Earth county; Ballard 1;?S, Chaska; Sandberij 592, Red Wing; 

 593, Chisago county; 59 J^, Red Wing. 



