Congratulates Roscoe on the "glorious majority in favour of the abolition of the slave trade & the glorious sentiments that came forth on the occasion" and the part Roscoe played. Hopes Roscoe's business will find relief in consultation with William Smith, who is experienced in "arduous & complicated" business; compares them to a pair of horses Lady [Amelia] Hume used to own. Pleased Roscoe has finished his 'Scitamineae' paper and is not concerned that the "Flora Peruviana" were missed, of which copies are available at Sir Joseph Banks' and [Aylmer Bourke] Lambert's.