346 



GRASSES OF IOWA. 



DISTRIBUTION". 



loiva. Logan, Dakota City (Pammel) ; Nodaway River (Stewart). 



North America. Arkansas, Missouri to Iowa. 



5. ELYMUS STRIATUS. 



Elymus striatus Willd. Sp. PI. 1: 470. 1797. Watson and Coulter. 

 Gray. Man. Bot. 673. 1890. (6 ed.) Scribner. Grasses of Tenn. Bull. Univ. 

 Tenn. Agrl. Exp. Sta. 7: 127./. 184. 1894. Beal. Grasses of N. A. 2; 

 655. 1896. Nash in Britton and Brown. 111. Fl. 1: 230. /. 533. 1896. Scrib- 

 ner. Bull. U. S. Dept. Agrl. Div. Agros. 17: 315. /. 611. 1899. 



DESCRIPTION. 



Slender Lyme Grass. A slender grass, 2 to 3 feet (5-8 dm.) 

 high, with bristly, nodding spikes. Sheaths hairy, or the upper smooth : 



Fig. 245. Elymus striatus— a, spikelet. I Div 

 Agros. U. S. Dept. Agrl. ) 



Fig. 246. Elymus striatus var. Ballii—a, 

 empty glumes of lateral flowers; b, fiowerin g glume ; 

 c, fioiet showing rudimentary flower; e, flowering 

 glume of central flower; f, floweiing glume. 

 (Charlotte M. King.) 



