Has he received the copies of the Vienna Observations? Encloses a small pamphlet of interest to mariners. What does he think of Josef Fraunhofer's micrometer for observing double stars? Is writing this letter on his birthday.

Takes on advice in Goodenough's last letter on "English Flora": only explanations of generic names will be for those new to British readers; praises Goodenough's plan for accenting but decides to adopt a simpler system. Queries whether [Augustin] de Candolle's new term, "carpella", for the single grains of compound fruits should not be "carpiola". Adopting [Johann von] Schreber's [(1739-1810)] genus 'Spartina' for 'Dactylis stricta' but the French have called it 'Limnetis'. Fears [William] Swainson has not succeeded in his attempts for a British Museum post. Regrets that party politics should make men such as [Thomas William] Coke and Edmund Wodehouse [(1784-1855), politician] enemies; feels some alarm at difference in age between Coke and his new wife [fifty years his junior]. [William] Roscoe preparing a "very excellent distribution of the species of 'Canna'" for Linnean Society.