Readers are requested to call our attention to any errors in, or
omissions from, this list.
Clute, W. N. _Nephrodium deltoideun._ illust. Fern Bulletin, Ja. 1912.
Clute, W. N. _Rare Forms of Fernworts.--XXI. 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 Fern-flora 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.--Occasional mention of common Ferns.
Schaffner, J. H. _The North American Lycopods without Terminal Cones._
illust. Ohio Naturalist, Ap. 1912.--_Lycopodium porophylum_
regarded as of specific rank.
Winslow, E. J. _Some Hybrid Ferns in Connecticut._ American Fern
Journal, Ap. 1912.