FERN FLORA OF NEBRASKA ?.23 



Unci, and Cook, H. J. Webber; ponds, August 1, 1890, J. H. 

 Haiighawout, labeled var. t en iii folia Und. and Cook. 



\\"ebster county: Red Cloud, Kcv. J. M. Bates. 



Kearney county: IMinden, August 13, 1891, Dr. H. Hapeman, 

 labeled var. tcnuifolia, prairies and sandhills of central Nebraska. 

 July 13, 1900, altitude 500 meters, No. 6604. P. A. Rydbcrg. 



Deuel county: July 3, 1893, E. M. Gilliard. 



Box Butte county: July 7, 1892, Xo. 275, /. G. Smith and Roscoe 

 Pound. 



Pierce county : Plainview, July 2, 1907, in shallow ponds, A''. F. 

 Petersen. 



Antelope county : Clearwater, June 16, 1899, reported as a weed, 

 No. 12036, D. M. Decamp; Brunswick, June, 1909, A^. F. Petersen. 



Salviniaceae. 



Asolla caroliniana \Mlld. Apparently known from only one or 

 two localities, rare. 



Thomas county: on ground at edge of water, Dismal river, July 

 12, 1889, No. 6101, H. J. Webber; in a spring near Plummer ford. 

 Dismal river, Augv\st 24, 1893, P. A. Rydberg. 



Garden county : Doctor R. J. Pool reports finding this species in 

 great abundance along Blue creek in May, 1912. 



Equisetaceae. 



Equisetum arvense L. Common in sandy soil, fields, pastures, 

 waste places, roadsides. The simple fertile stems appear in March 

 and April and soon wither after fruiting, the branched sterile stems 

 come later and persist throughout the summer. This species seems 

 to appear mostly as a weed and will be found in low wet grounds to 

 rather high and dry situations. 



Sarpy county: Bellevue. May 13, 1893, No. 4097. Roscoe Found 

 and DeAlton Saunders. 



Saunders county ; Ashland, June 24, 1890, Tom A. Williams. 



Cass county : Weeping ^^'ater, reported by Bessey and Webber. 



Otoe county: Nebraska City, ^lay 28, 1893, No. 4067, Roscoe 

 Pound and F. E. Clements. 



Nemaha county: Brownville, reported by Bessey and Webber. 



Gage county: Wymore, reported by Bessey and Webber. 



Lancaster county: Lincoln, May, 1890; May 2. 1893, No. 3230. 

 Pound, Clements and Saunders; also a specimen without definite 

 data hy A.F. Woods, and a similar one by Fred C. Cooky. 



