﻿INDEX TO RECENT LITERATURE. 



Readers are requested to call our attention to any 

 errors in, or omissions from this list. 

 Benedict, R. C. Studies in the Ophioglossaccae. — 



II. Torreya My. 1908. — A descriptive key to the 



North American species of Botrychium. 

 Bigelow, H. C. The forms of Onoclea sensibilis 



Fern Bulletin Jl. 1907. 

 Clute, W. N. A Pedate Bracken. Illust. Fern 



Bulletin Ap. 1908. — Doryopteris pedata figured and 



discussed. 



Clute, W. N. Botrychiums in Sand. Fern Bul- 

 letin, Jl. 1907. 



Clute, W. N. Cash for Evergreens. Fern Bulletin 

 Jl. 1907. — Note on the use of ferns and other ever 

 greens in the trade. 



Clute, W. N. Check-list of the North American 

 Fernworts. Fern Bulletin Ap. 1908. — Completion 

 of this list. 



Clute, W. N. Nephrodium patens and N. molle. 

 Illust. Fern Bulletin, Ap. 1908.— The differences 

 between these two discussed and pinnules illustrated. 



Clute, W. N. New Station for a Rare Florida Fern 

 Fern Bulletin, Ap. 1908. — The occurrence of a col- 

 ony of Hypolepis rep ens at Lake Charm, Florida, 

 recorded. 



Clute, W. N. On Some Nezv Zealand Ferns. Fern 

 Bulletin, Ap. 1908. — Notes on 20 species collected 

 by George E. Smith. 



Clute, W. N. Rare Forms of Ferns. — IV. A bi- 

 pinnalifid Christmas Fern. Illust. Fern Bulletin, 

 Jl. 1907. — Polystichum acrostichoides f. bipinnatifi- 

 dum named and figured. 



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