

TO 



SIR JOSEPH DALTON HOOKER, 



K.C.S.I., C.B., F.R.S., ETC., ETC. 



WHO, MORE THAN ANY OTHER WRITER, 



HAS ADVANCED OUR KNOWLEDGE OF THE GEOGRAPHICAL 



DISTRIBUTION OF PLANTS, AND ESPECIALLY 



OF INSULAR FLORAS, 



I ^tbitnU i^m Bolnmt ; 



ON A KINDRED SUBJECT, 

 AS A TOKEN OF ADMIRATION AND REGARD. 



