Sends catalogue of plants [possibly "Catalogus Horti. Regii. Botanici. Landishuthi Bojurum 1810"], offers to send any plants Smith desires.

Has dedicated his history of botany to Smith ["Anleitung zum grundlichen Studium der Botanik"]. He has written it as an up to date version of [Kurt] Sprengel's similar work, but in German rather than Latin. [Johann Jacob] Römer [(1763-1819), Swiss physician and botanist] to send Smith first volume of their new edition of Linnaeus' "Systema vegetabilium"; remarks on the increase in sheets needed to take in new discoveries and explains some of the plan. Has been asked to translate Smith's "Introduction to Physiological and Systematical Botany"; asks if there any remarks he would like to add. Offers to send alpine seeds.

Relates history of his edition of Linnaeus' "Systema vegetabilium" produced with [Johann Jacob] Römer [(1763-1819), Swiss physician and botanist] and others, asks Smith to give his blessing to the project and join in the defence against the rival natural systems of [Antoine Laurent de] Jussieu and [Augustin Pyramus] Decandolle. Asks for Smith's advice on the sixth volume, which will include the 'Umbelliferae' and 'Pentandria'.