
          Cambridge, April 25, 1862 


 Dearest Dr. 


 Yours of 22d & 23d came 
 yesterday. And to day I have 
 added your notes & am ready 
 to send off my mss [manuscript] to Phila. [Philadelphia]. 
 My few words of introduction 
 & close, I trust will suit. 


 I am sorry you could 
 not make out the Cyperus
 Hermanni.  When you 
 return it, perhaps I may 
 identify it with some
 Mexican species.


 Please send the specimens 
 back to me. 


 'Solanum [Inteannum?]' is
 S. [Solanum] Balbissi = S. sisymbrifolium [Solanum sisymbriifolium],
 var. [variant]
 "S. [Solanum] linsecumii" is Withania
 sordida.
 "Abronia speciosa". Has not your 
        