Declines offer of Secretaryship of the Linnean Society and explains his decision. Pleased that Smith's health has improved and his progress with the third volume of "The English Flora". Sending Smith his appendix to "Captain Parry's 1st Voyage" and his contribution to the botanical appendix of "Captain Franklin's journey". Pleased that Smith is to adopt Brown's proposals for 'Cruciferae', and comments on [Augustin Pyramus] de Candolle's work on the same.