Sending fifth and sixth volumes of his "Systema vegetabilium" for Smith. Smith will become the "British botanical Socrates" with his "English Flora", extravagantly compliments Smith. His son has translated Smith's "Grammar of Botany" into German. Horror at the "deplorable confusion of philosophical & theological systems hovering now on the continent". [Franz Wilhelm] Sieber's travels and antiquarian and botanical collections. Count Sternberg has received remainder of [Thaddäus] Haenke's herbarium. [Carl Friedrich Philipp von] Martius publishing descriptions of species he collected in Brazil, starting with the palms. Forthcoming botanical publications by Lehman, Reichenbach, and [Augustin Pyramus] Decandolle's "Prodromus".