326 IOWA ACADEMY OF SCIENCE Vol. XXVI, 1919 



Brown county : Long Pine, reported by Bessey and Webber. 

 Cherry county: Valentine, July, 1891, No. 39, Rev. J. M. Bates. 



Selaginaceae. 



Selaginclla rupcstris (L.) Spring. Dry rocky soil or cliffs, in- 

 frequent or rare, apparently confined to certain localities, sometimes 

 locally frequent. 



Brown county: sandhills. Long Pine, July 23, 1887, also 1890, 

 C. E. Bessey; July 28, 1892, No. 271, /. G. Smith and Roscoe 

 Pound. 



Antelope county : near Royal, August 7, 1907, N. F. Petersen. 



Lincoln county : reported by Bessey and Webber. 



Cheyenne county : reported by Bessey and Webber. 



Isoetaceae. 



Isoetes melanopoda J. Gay. Known in Nebraska from one 

 locality in the southeastern portion, rarely collected. 



Fillmore county : northeastern part of the county, roadside ditches 

 on road north from Exeter, about one-half mile from the depot, 

 September 8, 1888, Dr. J. Herman Wibbe. 



Department of Botany, 



The University of Nebraska. 



