
          I shall be very much obliged to
you for a line on the subject of the
History of Botany. I have been reading
Gray all [added: the] time I have had to devote to it.

Yours with deep respect
O.R. Willis

To Dr. J. Torrey

P.S. The doctor's brother (Dr. C.G. McChesney
of Trenton) thinks the name of the above
medicine is wood naptha [naphtha]

O.R. Willis

        