Synopsis of British Mosses, containing Descriptions of all the Genera and Species (with localities of the rarer ones) found in Great Britain and Ireland. By Charles P. Hobkirk, F.L.S., etc, etc. New Edition, entirely revised. Crown 8vo. 7s. 6d.

Handbook of British Mosses, containing all that are known to be natives of the British Isles. By the Rev. M. J. Berkeley, M.A,, F.L.S. 24 Coloured Plates, 21s.

The British Moss-Flora. By R. Braithwaite,

M.D., F.L.S. Vol. 1, Imperial 8vo, with 45 finely executed Plates, 50s. Part XI., 8s., Part XII., 7s., Part XIIL, 6s.