INDEX TO RECENT LITERATURE. 



Readers are requested to call our attention to any 

 errors in, or omissions from, this list. 

 Clute,, W. N. Nephr odium deltoideun. illust. Fern 



Bulletin, Ja. 1912. 

 Clute, W. N. Rare Forms of Fernworts. — XXL 



Another Form of the Christmas Fern, illust. Fern 



Bulletin, Ja. 1912. — Polystichum acrostichoides f. 



lanceolatum described and illustrated. 

 Darling, N. Observations on some Lycopodiums of 



Hartland Vt. illust. American Fern Journal, Ap. 



1912. 



Dodge, C. K. The Fern4iiora of Michigan. Fern 



Bulletin, Ja. 1912. — Fifty-eight ferns and thirty-one 



fern allies listed with notes. 

 Cockayne, L. Some Noteworthy New Zealand Ferns. 



illust. Plant World, Mr. 1912. 

 Hill, E. J. Additions to the Fern-flora of Indiana. 



Fern Bulletin, Jl. 1912. — New stations for several 



species. 



Hill, E. J. The Rock Relations of the Cliff Brakes. 



Fern Bulletin Ja. 1912. 

 Hopkins, L. S. Lycopodium Selago from Ohio, illust. 



American Fern Journal, Ap. 1912. — A form of L. 



lucidulum mistaken for the rarer species. 

 Prescott, A. The Osmundas. Fern Bulletin, Ja. 



1912. 



Safford, W. E. Notes of a Naturalist Afloat. — III. 

 illust. American Fern Journal, Ap. 1912. — Oc- 

 casional mention of common Ferns. 



Schaffner, J. H. The North American Lycopods 

 without Terminal Cones, illust. Ohio Naturalist, 

 Ap. 1912. — Lycopodium p or o phylum regarded as 

 _of specific rank. 



Winslow, E. J. Some Hybrid Ferns in Connecticut. 

 American Fern Journal, Ap. 1912. 



