Albums of predominantly nature prints of leaves produced by inking both sides of the specimen, placing it between a folded sheet of paper, and pulling the sheet through a printing press. Sheets contain one to several specimens (a few numbered) and several are annotated with the date of printing, inscriptions, and identifications of specimens. Some sheets contain manuscript notes about the provenance of and how the specimens were dried or inked, the condition of the leaves, their medicinal uses, and descriptions of the plants from which they came. Inscriptions of note include "Engraven by the Greatest and Best engraver in the Universe"(v. 1, p. 2); "... leaves dried and press'd in my Heap of News-Papers for 7 or 8 years" (v. 1, p. 43); "Done July 18th 1742, when I impress'd 6 or 8 sheets more for my Frd's Kent, Bard, Pratt, Browne, Shoemaker, &" (v. 1, p. 74); "These were done in my new Press which Joseph Watkins made & now brought Home 2nd of May 1734" (v. 1, p. 94); "Done July 1st 1744 with L' & Vel't B'll"(v. 1, p. 95) and "From Jno. Bartram 18th Augst. 1734. The most excellent remedy for the bite of a Rattlesnake - Sysimachia Quadrafolia - 1st 7br 1734 - "An Indian specific for fevers and aguas [sic] and a substitute for tea [I think Green]" - "From Peter Sonmans (who brought it from Albany). Done 31st Augst. 1734. A famous Snake weed" - "Mem the other Side I sent to Peter Collinson, June 1735" (v.2, p. 58).