These journeys of botanical exploration include information regarding plants, and his remarks on the condition of remote settlements he visited. The journals cover the territory from Hudson's Bay to the Indian River in Florida, and from the Bahama Islands to the banks of the Mississippi.

This diary is a journal of a trip from Philadelphia by stage to Pittsburgh, then afoot through Franklin, LeBoeuf, and Erie to the Huron River; thence by boat to Detroit, where he remained 26-29 July, when he set out by canoe for Michilimackinac. Included are descriptions of Detroit, plants, animals, springs, Indian mounds, and notes on goitre.