Sends letter from [Georg Franz] Hoffmann and copy of "Hortus Mosquensis"]. Intends to publish a work on the rare plants of northern and southern parts of Russia, asks Smith to procure him some English subscribers. Requests plants from Botany Bay, [Australia]. Has sent Sir Joseph Banks a prospectus of his other work on the insects of Russia, asks Smith to procure subscribers for this also. Sends twenty packets of seeds of "the rarest plants of the Cokases", intends to send more.