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Cincinnati Jan 10th 1817
Dear Sir!

I beg you to accept my thanks for
having commenced a correspondence which
I hope will be mutually beneficial to us.

I have examined the Gymnocladus
Canadenssis with no other view than to as-
certain its generic characters; & your obser-
vations and suggestions concerning it are
new to me and beyond anything contained
in the treatises to which I have access.

Pursh recognizes that one species
(without varieties). His specific characters, ta-
ken from [Wibdenow?] are "[G foliis bipinnat
foliolis ovalibus acuminatis bubescentibus?]." He
adds the seed pods are large & of a dark brown
[Michaux?] the younger, who had better opportu-
nities for judging this tree than [Pursh?] is also
silent respecting varieties. In Europe, I perceive
by Rees' [Cyclopedia?] there is supposed to be only