Disputes the 'Mentha' Smith and Goodenough determined as 'M. sativa'; convinced that all 'Mentha' can be found both hairy and smooth on the underleaf depending on soil and situation; discussion of other 'Mentha' including 'M. arvensis', 'M. gentilis', M. rotundifolis', 'M. sylvestris', 'M. villosa'; desires to see [Edmund] Davall's specimens and to hear from [William] Hudson on subject.

Pleased to hear that [Samuel] Goodenough now concedes that the Linnaeus' 'Carex caespitosa' is the same as the London 'C. caespitosa'. Requests specimen of 'Cerastium alpinum'. Congratulates Smith on escape from fire at the Pantheon, [Oxford Street, London].

[Note on separate piece of paper] an article in January [1792] edition of "Monthly Magazine" proposes an explanation for the formation of "fairy rings", brief summary.