i B e ì J u a t i o i u
TO
JAMES SCOTT BOWERBANK, F.R.S. F .l.S .
&c. &c. &c.
D ear Sir ,
It has long been my intention to dedicate
to you this humble endeavour to elucidate a
difficult and slighted department of Botany, and the
time has at length arrived for the fulfilment of this
intention.
L o n d o n :
P rin te d by A. S p o t t i sw o o d e ,
New-'Street-Square.
In dedicating to yon this History of the British
Freshwater Algaa, and which is, I believe, the second
Avork Avhich has as yet ajopeared, Avhich exclusively
treats of the Algas of our fresh waters, and the only
one devoted to the consideration of the British species,
I am actuated, not by private considerations of
friendship, but entirely by public motives.
The skill Avhich you have displayed in the microscopic
investigation of minute tissues, the generous