
          An'd. [Answered] Nov 27
 sent drawing & receipt
 by [Esprey?]


 Washington 355 I St
 Nov. 12th 1856


 My Dear Doctor,


 I received per Express the parcel
 containing your mss & accompanying letter
 as also upon today your later note of the 9th.
 I should have acknowledged the receipt of the 
 ms but that I was waiting for an answer about
 it from Lieut Parke.


 I was glad to find that I had accidentally
 picked up a few new species & am sorry that
 that the new genus I stumbled on should have
 been previously laid hold of by Mr Thurber. I 
 suppose it is as difficult for Botanists to find a
 new genus as it is to obtain a new Element with
 chemists. I see among the collection no notice of 
 any plants from the Mohave district. I thought
 I had sent you the dwarf specimens of [Compositae?]
 chiefly, which are I suppose identical with these
 larger varieties of Los Angeles Valley.
        