
          on our lichens has been struck off, and I take the 
liberty to present it to you with this.
I have just recieved a valyable box from my
friend Mr. Doubleday, including 4 bundles from
Dr. Greville - 2 of them Algae - + the other 2 mis
cellaneous. These were obtained by Mr. Doubleday,
as I understand, by exchange for American insects
the bundles contain half a dozen lichens from Mr. 
White of the Br. Museum. These are from New Holl-
and but quite inferiour specimens to yours from Van
Diemen's Land.
I have ventured to note on the label of the specimen
of Potentilla minima, gamma., sent with this - a query if
this were not probably the plant mistaken by Pursh
for Sibbaldia procumbens. The resemblance is very con-
siderable betwen the two plants - and it seems no
unfair supposition that Pursh might have been wholly
unacquainted with the species "Potentilla minima", to
which the little plant of our mountains is referred.
If this be correct, we shall have the satisfaction
of striking entirely out of our Flora, a [added: mistake] which has
        