TO 



SIR WILLIAM JACKSON HOOKER, 



K.IL, D.C.L., F.R.S., V.P.L.S, etc., etc., 



director of tfje 2ftonaI Botanic ©artrcna of lUto, 

 THIS WORK IS INSCRIBED 



AS A SMALL TRIBUTE OF THE WARM AFFECTION, ADMIRATION, AM) QB LTTTUDE 



OF HIS ATTACHED FRIEND, 



THE AUTHOR. 



162033 



