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.