10 



TO 



JOHN BUTTON BALFOUR, M.D., F.R.S., &c. 



PROFESSOR OF BOTANY IN THE UNIVERSITY OF EDINBURGH, 



AS A MARK OF RESPECT 

 FOR HIS EMINENT SERVICES TO SCIENCE 



AND OF GRATITUDE 

 FOR HIS MANY KINDNESSES TO THE AUTHOR. 



M35Q113 



