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 Flora. As I was now very anxious to explore the remote parts of the country, particularly in the interesting ranges of the Alleghany Mountains, I was enabled, by the kind assistance of this gentleman, to take a more extensive range for my botanical excursions. The collections and observations made in the course of these journeys, all of which I communicated to Dr. Barton, were considerable in respect to the discovery of many new and interesting subjects of Natural History in general.” Under his auspices, likewise, the late Mr. Thomas Nuttall laid the foundation of that extensive knowledge of our native plants which was embodied in his Genera of North American Plants”

If the subjects of the Theses enumerated on the Catalogue of Graduates during the connection of Dr. Barton with the Medical School be examined, one cannot but be forcibly impressed with the number which treat of the Vegetable Materia Medica of the United States. It was a department which he fostered, writing not only upon it himself, but instigating his pupils to its cultivation. Nor are these essays jejune, for under the conducting hand of the master, they took the form of experimental and practical utility, and the present generation is under obligation for valuable researches, in the field of home productions, to many aspirants for medical 9