Received alarming accounts of Smith's health from Sir Thomas Cullum and brother-in-law, R Reeve, and that it was not Smith's lungs but an erysipelas affecting his head and rendering his eyes weak, preventing him from going to Liverpool. Sends two varieties of 'Potamogeton natans', one approaching close to 'P. lucens' and other to [Richard] Relhan's 'P. palustris'. 'Ophrys beselii' growing in boggy ground near his house; peculiarities of its habitat.