
          St Louis Sept 1st 1860

Prof J. Torrey

Dear Sir

Permit me to
introduce to your acquaintance
my brother Henry Engelmann,
who on his way to Washington
is passing through your city.

Though no botanist my
brother has done a good deal
in collecting plants on his
expeditions to the Rocky
Mountains and Utah, and
as I believe I have told
you before, was the main
cause of the discovery of 
        