PREPAP: Ne FOR IMMEDIATE PUBLICATION. 
THE. POTAMOGETONS. 
‘(POND WEEDS). 
OF THE 
BRITISH ISLES. 
Worn Disoniprions OF ALL THE Spores, Varieties, ann Hysrrps. 
B ALFRED FRYER. Illustrated | by ROBERT MORGAN, ¥.L.S. 
_ she object of this work.isto supply a long-needed set of good and reliable Illus- 
rations of British Potamogetons.. Both Descriptions and Illustrations will include 
_. , the varying forms and states as well as the. generally recognized species, The 
; _¢ Synonymy, though not aiming at absolute completeness, will’ be ample for ail 
i: working purposes. An attempt will be made towards a natural. arrangement of the 
» Species founded on the changes of form in their progressive stages of growth rather 
. than on the comparatively limited distinctions afforded by the fruit, ilnstrations of. 
‘ agit will form a special feature. 
abe bit aie will be issued in 15 ‘aohthiy parts : Prospectus on application, 
\ 
Now ready, price 2s, 6d. 
INSULAR FLORAS. 
- hiss delivered by Sin-J. D, HOOKER, C.B., before the British Association ~- 
ars tor the SRSA HIEBE, of Science at t Nottingbam, Angnst 27,1866. ; 
pe Loe ce ng ‘Mong voces Bagios dito: ee jae 
HANDBOOK OF BRITISH | MOSSES, 
4 letehiing sil anak an known to be natives of the British iniste : 
the whole. forbs $ & large ani Lasauhus volume of ‘eiGrecdt $00. mat "a0 ee wit th ¢ 60 Fiatea: 
F, W. FROWHAWEK, beantifally coloured’ by hand, 
HANDBOOK OF THE BRITISH FLORA: 
-A Description of the Flowering Plants and Ferns Indigenous 
to or Naturalised in the British Isles. 
By GEORGE BENTHAM, “ERS. 
6th Edition, Revised by Sir J. D. Hooker, C.B., K.C.8.L, F.R.S., &. 108. 6d. 
ILLUSTRATIONS OF THE BRITISH FLORA. 
A Series of Wood Engravings, with Dissections, of British Plants. : 
Drawn by W. H. FITCH, F.LS., any W. G. SMITH, EL. S.-3 
Forming an Illustrated Companion to Benthain’s “ Handbook,” and other British Flor 
~ mee ite 1315 Wood Ruainenen 10s. 64. 
