
          Glasgow, Jan. 1, 1839.

My dear Sir

Dr. Asa Gray must 
I am sure be known
to you by reputation 
& by his labors in 
your favorite family 
of Gramineae. He is
about to visit Petersburg 
& will be delighted 
to have the honor of 
making your personal 
acquaintance & to 
be allowed to see some 
        