As Honorary Secretary of the Botanical Congress he asks that CD’s name be listed as a member of its committee.

Expects R. Caspary’s paper to be published soon.

Reports the conclusions of another of RC’s papers on the movement of tree branches due to cold [Bull. Congr. Int. Bot. & Hortic. Lond. (1866): 98–117]

and discusses a paper by H. Lecoq on the mountain flora of the Auvergne [Proc. Bot. Congr. (1866): 158–65]. He disagrees with CD on glaciation and its effect on geographical distribution.