FERN FLORA OF NEBRASKA 319 



Redwillow county : reported by C. E. Bessey. 



Cryptogramma acrostichoidcs R. Br. Rock-brake. Rocky places, 

 rare, known only from one locality. 



Franklin county: Franklin, 1893, E. M. Hussong. A single 

 fruiting blade sent to Dr. C. E. Bessey for determination. The 

 locality is somewhat outside of the known range of the species but 

 the specimen seems properly referred. 



Cystoptcris fragilis (L.) Bernh. (Filix fragilis (L.) Underw.) 

 Brittle fern. This species is found in rich woods, along wooded 

 banks of streams and in canons, and is rather common in most 

 portions of the state. It is the most abundant fern of Nebraska. 



Dixon county: Ponca, bluffs of Missouri river, June 15, 1893, No. 

 2556, Fred Clements. 



Douglas county: Omaha, April, 1889, No. 6118, H. J. Webber. 



Cass county : Plattsmouth, shaded ravines, Missouri river bluffs, 

 May 15, 1886, No. 6117, H. J. Webber; also reported from the 

 vicinity of Weeping Water by Bessey and Webber. There is an 

 immature specimen from Weeping Water, collected in moist rocky 

 places. May 14, 1892, by Emma Stover. 



Otoe county: Nebraska City, June 1, 1889, No. 6115, H. J. Web- 

 ber. 



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



Nemaha county: Nemaha, July 5, 1910, No. 5140, Rev. J. M. 

 Bates; also reported from the vicinity of Peru by Bessey and 

 Webber. 



Johnson county: Tecumseh, Anna Pinnel. 



Jefferson county: Endicott, Republican valley, August 23, 1893, 

 No. 2002, A. F. Woods and De Alton Saunders. 



Lancaster county : Lincoln, damp wooded banks, June 3, 1890, 

 No. 6120, H. J. Webber from Lucena Hardin; old sandstone quarry, 

 June, 1886, /. G. Smith; on banks of Antelope creek, opposite H. 

 street. May 20, 1886, T. Walton; Lincoln, shaded cliffs, May, 1895, 

 C. B. Robinson. 



Seward county: Milford, May, 1886, No. 6116, H. J. Webber. 



Custer county: Anselmo, wooded bluffs, July 8, 1889, No. 6121, 

 H. J. Webber. 



Thomas county: near Plummer ford, shaded banks of Dismal 

 river, July 3, 1893, No. 1452, P. A. Rydberg; Halsey, June 24, 1912, 

 Raymond J. Pool and Donald Folsom. 



Antelope county: on Verdigris creek, near Royal, 1908, A''. F. 

 Petersen. 



