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TO BENJAMIN S. BARTON, M. D.
PROFESSOR OF BOTANY, NATURAL HISTORY, AND MATERIA MEDICA, IN THE UNIVERSITY OF PENNSYLVANIA, ONE OF THE VICE PRESIDENTS OF THE AMERICAN PHILOSOPHICAL SOCIETY, &c. &c.
SIR,
That your disposition to diffuse Natural Knowledge, in your intercourse with your fellow men, may ever secure you the fame which you now enjoy, and which is the natural inheritance of such talents as you possess, is the cordial wish of
Your friend,
G. E. PENDERGRAST.
