
          of, but want of any authorities is so serious a 
drawback that I would not dare to undertake
anything like naming specimens unknown
to me. Where is Mr. Sullivant and what is
he doing at this time?

Anything you have to spare you in the Botanical
way will be acceptable. I have collected 
but little since I have been in Philadia [Philadelphia].
Mr. James paid a visit to the White Mnts.
again this summer and brought home a
few mosses that appear to be new at least
I can find nothing like them in any of the
specimens or Books that I have access to.
I send you portions of two. The little 
green one comes near the Hypernium praclougeum
but does not agree in all respects with that
species as given in Gray or in Hooker & Taylor.
The dark colored one green in a pond of
still water. It appears to belong to the section
[Aduncae?], but does not fit description of any 
described species that I know of.

Mr. James is about preparing a list for Dr. 
Gray's forthcoming edition of his manual.
He has explored tthe White Mountaines pretty
thoroughly and found quite a number not
        