Trans. Acad. Sci. of St. Louts 
Elymus arkansanus Scribn. & Ball. North Ar- 
kansas, District Agr. Agent. 
Elymus australis Scribn. & Ball. Fayetteville, 
Washington Co.; 8126 Benton, Saline Co. 
Elymus glabriflorus (Vasey) Scribn. & Ball. 
Lake Village, Chicot Co. 
Cyperaceae: 
Cyperus compressus L. 14641 McNab, Hempstead 
Co. 
Cyperus cylindricus (Ell.) Britton. Fulton, Hemp- 
stead Co. (fide J. M. Greenman). 
Cyperus ferax Rich. 26747 Fulton, Hempstead Co. 
Cyperus Houghtonti Torr. Fayetteville, Washington 
Co. 
Cyperus hystricinus Fernald. 14657 McNab, Hemp- 
stead Co. 
Cyperus lancastriensis Porter. 8124 Benton, Saline 
Co. 
Cyperus pseudovegetus Steud. 6061, 8026 Fulton, 
Hempstead Co. 
Cyperus rivularis Kunth. 4565 Eureka Springs, 
Carroll Co. 
Cyperus speciosus var. ferruginescens (Boeckl.) 
Britton. Fayetteville, Washington Co. 
Eleocharis Torreyana Boeckl. Lonoke Co.. woods 
of second bottoms. 
Fimbristylis Baldwiniana Torr. Stuttgart, Ar- 
kansas Co. (H. R. Rosen). A troublesome weed of 
rice fields. 
