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.

The first volume contains notes of expenses and of observations while surveying the western boundary of Pennsylvania (1785). Mentions APS under date of Feb. 20, 1784. The second volume contains observations that were continued after Rittenhouse's death to Sept. 30, 1805.

This journal was found among the papers of Benjamin Smith Barton, who was Pursh's patron, after his death in 1817. For provenance of manuscript see ms. notes in printed edition by Thomas P. James - 581.974:P97.

This diary records the travels of Loammi Baldwin in the Netherlands (then including Belgium), England, and France, with detailed observations and careful pen-and-ink sketches of canals and canal machinery.