Sends his new work, Ulteriori osservazioni sulla dicogomia pt 2, fasc. 1.

Has found no nectar in Orchis morio or O. maculata in Italy and has seen no insects visiting the plants.

Gives his observations on cross- and self-fertilisation in cereals.

Sends paper on Artemesia.

Praise for Descent.

Has talked to St George Mivart about CD’s health.

Will send FD’s work [Studi sopra un lignaggio anemofilo delle composte (1871)] to Nature for review.

CD’s health has been poor all summer – he doubts that he will ever "have the strength to publish on Variability under a state of Nature".

Hopes to publish on cross- and self-fertilisation next summer.

Encloses his photo and asks for FD’s.

Praise of CD. Acknowledges his indebtedness to CD for defining the subject of plant fecundation.

Expecting CD’s work on the effects of cross-fertilisation.

CD has put him in touch with George Bentham.