
          proper references, I shall esteem it an advantage far beyond any
other return. As many of those, of which I wrote an account for 
the Boston Journal of Natural Hisotry, as I could, I have also
sent, with the exception of 2 or 3 which I sent last year.
In addition to these I have put in some other plants; of inter-
est to me. 3 Marchantias. 1 Boletus versicolor.  2 Rhizomorphs
one of which so far as I am informed, is new to us [inserted: in America;]: and the station,
in a very old brick-spring-house on an old estate here, is one
probably not often afforded. Sphaeria deusta: This remarkable plant I 
have twice found at Cambridge + Brighton. But I regret exeedingly by
that the specimens are all somehow mislaid, so that I am as yet un-
able to put it in. And though I know nothing of any other Sphaeria,
I believe I am right as to this, since it is a plant so remarkable +
Withering's description + Grevilles separation + establishment of it as a 
separate Genus, have very little to question. If I cannot send it now,
I will as soon as possible. Lycopodium annotinum, L. This I have
made out from the descr. + also from a comparison with authentick
Swiss specimens of L. annotinum. It is the common Lycopodium on the
lower summits of the White Mts. below L. selago, but far above L.
lucidulum - [?] - + not leaving the Alpine tract. I have been
over these Mts. twice with considerable care + feel familiar
with the vegetation; and I cannot think what else can answer
to the Lycopodium sabinafolium of Beck Bot. - which, to cut
this short, it indeed may be. If it is, I hope you will excuse
my prolixity about it. L. Selago: seems to prefer the highest summits 

        