EUROPEAN FERNS 
BY 
JAMES BRITTEN, F.L.S., 
Department of Botany , British Museum. 
WITH 
Qotouxeb gCfusfrafions from Ifiature 
BY 
D. BLAIR, F.L.S. 
Cassell, Petter, Galpin & Co.: 
LONDON, PARIS & NEW YORK. 
[ALL RIGHTS RESERVED.] 
