DODGE, RAYNAL.  The Ferns and Fern Allies of New England—­very small volume, now out of print.  W.N.  Clute & Co. 1904.

DRUERY, CHARLES T. British Ferns and Their Varieties.  Routledge & Son. 
London.

EASTMAN, HELEN.  New England Ferns and Their Common Allies.  Houghton Mifflin & Co.  Boston, 1904.  Out of print.

EATON, DANIEL C. The Ferns of North America. 2 vols. 1879-80.  S.E.  Cassino,
Salem.  Drawings by J.H.  Emerton and C.E.  Faxon.

EATON, A.A.  Specialist in Fern Allies.  Prepared Equisetum and Isoetes for
Gray’s Manual, 7th ed. 1908.

GILBERT, BENJ.  D. List of North American Pteridophytes. 1901.  Utica, N.Y.

HERVEY, ALPHAEUS B. Wayside Flowers and Ferns.  Page & Co.  Boston, 1899.

HEMSLEY, ALFRED. Book of Fern Culture.  John Lane.  London, 1908.

HIBBARD, SHIRLEY.  The Fern Garden.  Groombridge & Sons. 5 Paternoster Row,
London. 1869.

HOOKER, SIR W.J.  Genera Filicum.  Large 8vo.  London, 1842.  Contains fine plates which include all American genera.  Costs about $25.

Species Filicum. 5 vols. 8vo.  London, 1846-64.  Vol.  II contains seventeen and Vol.  Ill contains two plates of American ferns with descriptions of more species.  Cost about $50.

HOOKER, SIR W.J., & BAKER.  Synopsis Filicum 2d ed. 1874. 8vo.  Describes all ferns then known, including the American species.  Has also figures illustrating each genus.  Costs about $10.

LOWE, EDWARD J. Ferns British and Exotic. 9 vols. 8vo.  Bell & Daldy.  London, 1868. 550 plates, some very poor.  Some American ferns are represented.  “The descriptions,” says John Robinson, “are worthless, and the synonymy is often incorrect.”

MAXON, WILLIAM R. A List of Ferns and Fern Allies of North America, north of Mexico, etc.  National Museum, 23:619-651. 1901.

Numerous Monographs and Notes on American Ferns in current magazines.

Studies of Tropical American Ferns.  United States National Herbarium, 17:541+.

Pteridophyta (excepting Equisitaceae and Isoetaceae) of the northern United States, Canada and the British Possessions.  In Britton and Brown, Illustrated Flora, etc., ed. 2, pp. 1-54. 1913.  New York.

MEEHAN, THOMAS.  Native Flowers and Ferns of the United States.  Boston, 1878-9.

MOORE, THOMAS.  Nature-printed British Ferns. 2 vols.  London, 1859.

PARSONS, FRANCES T. How to Know the Ferns.  Charles Scribner’s Sons.  New York, 1899.

PRATT, ANNE.  The Ferns of Great Britain and Their Allies.  F. Warne & Co.  London.  No date.

REDFIELD, JOHN.  Geographical Distribution of the Ferns of North America.  Torrey Bulletin, VI, 1-7. (1875).

RHODORA.  Journal of the New England Botanical Club.  January, 1899, to date.

ROBINSON, JOHN.  Ferns in Their Homes and Ours.  S.E.  Cassino.  Salem, 1878.  Out of print.