Sends concluding numbers of his "Medical Botany"; apologises for the quality of the engravings, a consequence of the "low state of the arts" in USA; engraved in aquatint and printed in colours. Thanks for naming a genus in his honour ['Bigelowia']; unknown to him until supplement of Rees' "Cyclopedia" was reprinted here; recently obtained specimen of a new 'B. pubescens' from Mr Nuttall of Louisiana; [Jean Louis Marie] Poiret [(1755-1834), botanist] has named the genus 'Forrestiera'.