THE FERN S PLACE IN NATURE. $7 



Hepatica. 



SULLIVANT (W. S.). Musci and Hepaticae of the Eastern 

 United States. 8vo. New York, 1871. Also published with 

 the fourth edition of Gray's Manual. The text of this book is 

 out of date as compared with our present knowledge, but the 

 three plates are excellent, illustrating nearly all the genera. 



UNDERWOOD (L. M.). Descriptive Catalogue of the North 

 American Hepaticae north of Mexico. In Bull. III. Lab. Nat. 

 Hist., II, 1-133 (1883).* 



Pteridophyta. 



As we have already given the literature relating to the Fern 

 allies, we here add that relating to the Ferns, including many 

 of the original sources of description. 



BECK (Lewis C.). Synoptical Table of the Ferns and 

 Mosses of the United States. In Silltmans Journal, vol. IV 

 (1829). List of 88 pteridophytes, including 63 ferns. 



DAVENPORT (George E.). Aspidium spinulosum (Swartz) 

 and its varieties. In American Naturalist, vol. XI I (Nov. 

 1878). 



- New Species of Ferns. In Torrey Bulletin, vi, 190-191 

 (Dec. 1887); vii, 50, 51 (May, 1880); vin, 61, 62 (June, 1881) ; 

 x, 61, 62 (June, 1883). 



- Fern Notes. In Torrey Bulletin, vii, 85, 86 ; VIII, 88, 89 ; 

 IX, 20-23, 68, 69, 99-101 ; X, 4-7; xn, 21-24; XII I 81, 82, 129- 



'35- 



EATON (Daniel C.). Ferns of the Mexican Boundary. In 

 Mexican Boundary Survey, 1857. List of 44 Pteridophytes, 

 with descriptions of new species. 



Ferns of the Southern States. In Chapman's Flora of 

 the Southern States, 1860. Describes 56 species. 



Ferns of Northern United States. In Gray's Manual, 

 5th Edition, 1868. Describes 57 species. 



Notes on Some of the Plants in the Herbaria of Linne 



* Students of the Hepaticas should have access, if possible, to a set of 

 Austin's Hepaticce Boreali-Americancz. The writer (associated with Mr. O. 

 F. Cook) has commenced the issue of a new series, Hepaticce Americana, of 

 which the first two decades are specially intended for beginners. 



