PREFATORY NOTE. 



r I "* HIS list is reprinted, with notes, from the author's volume 

 on the " Flora of the Upper Susqiiehanna Valley." So 

 many requests have been received for a list of the ferns of our 

 locality that it has seemed expedient to publish one at this time. 

 The area covered comprises a stretch of country about 150 miles 

 long and from one-third to one-quarter as wide, lying mostly in 

 Southern New York. It consists of the area about the head- 

 waters of the Susquehanna, including the Chemung and Chen- 

 ango. This district contains very little broken country, and the 

 rock outcrops are all sandstone or shale. The nomenclature used 

 in this list is that of the " List of Pteridophyta and Spermato- 

 phyta," published as volume five of the memoirs of the Torrey 

 Botanical Club. When these names differ from those in Gray's 

 Manual, sixth edition, the latter names follow the remarks in 

 parenthesis. The observers cited as authority for some of the 

 statements are Mr. F. V. Coville, Dr. T. F. Lucy, Prof. Frank 

 E. Fenno, Mr. James A. Graves, Mr. W. C. Barbour, and Miss 

 S. A. Brown. For a more extended account of the general char- 

 acteristics of our region, readers are referred to the introduction 



to the Flora. 



WILLARD N. CLUTE. 



