
          be distinguished, except as a new variety of
P. conspera. The latter is unknown upon
trees in Europe - but I have what I 
cannot distinguish from it from the cypresses
of Mississippi or Louisiana.

I ahve also wished for some time to
correct the statement in my note that
I did not see Mr. [Charles] Wright's lichens
from New Mexico. I suppose I have them 
but that they are ticketed only "exp's
from Texas to N. Mexico".

I remain

Most respectfully & truly yours

Edw. Tuckerman 

        