12 John Mallory Bates 



other stations, easily identified by its olivaceous hue and 

 compact head, but have failed to collect. 



VII. Eriophorum L. " Cotton Grass " 



All perennial; in bogs and springy, grassy ground 



1. E. gracile Koch. (Roth, according to Gray's Man.). Lavaca, 



southwestern Cherry Co. ; Simeon and Dewey's Lake, east- 

 ern central Cherry Co. (Bates) ; Dismal River, south of 

 Thedford, Thomas Co. (Uni.) ; coUected by Dr. Rydberg. 

 This is all one region, and may define the limits of this spe- 

 cies in Nebr. Iowa also reports but two counties. 



2. E. angustifolium Roth. (£. polystachyon L. in part). Arabia, 



1 6 miles southeast of Valentine, close by the railroad 



(Bates). 



a. var. majus Schultz. Kennedy, central Cherry Co. 

 (Bates). Dr. Walker and companions found angusti- 

 folium at Simeon, west end of Dewey's Lake, in 1912. 

 This will go into the Uni. collection. 



VIII. FUIRENA Rottb. 



I. F. simplex Vahl. Perennial, but looking like an annual. 

 Moist sandy soil. ]\Iinden (Dr. Hapeman) ; Platte River, 

 Kearney Co. ; Kearney, Buffalo Co. ; i sheet by C. C. Eng- 

 berg, who collected at Fremont on the Platte (Uni.). Not 

 in Iowa list, bi1t found at Stockton, Kas. 



IX. Hemicarpha Nees and Arn. 



I. H. micrantha (Vahl.) Britton. (H. suhsquarrosa Nees.) 

 Small annual in wet sand. IVIinden (Dr. Hapeman) ; Fre- 

 mont, Dodge Co.; Cherry Co. (Smith and Pound) ; N. E. 

 Neb. (Clements) (Uni.) ; Ewing; Long Pine (Bates), My 

 Ewing specimens are 24 cm. long. 



a. var. aristulata Coville. Long Pine, Brown Co., on Long 

 Pine Creek (Bates) ; with squarrose awns. 

 156 



