Asks whether CD’s conclusions on cross- and self-fertilising plants agree with his own as set out in a notice in Nature [14 (1876): 543–4].

Floral structure. The order of the development of the whorls and its relationship to a protandrous or protogynous condition in flowers.

Thanks for CD’s book [Cross and self-fertilisation] and information on protandry and protogyny.

Health better, but paralysis lingers.

Considers some flowers especially adapted for self-fertilisation, and believes all flowers are self-fertilising under some conditions. Gives examples of plants in which he believes all flowers are cleistogamous. Believes self-fertilisation is the primordial condition of flowering plants.