Does not think the Petunia is anything remarkable.

Pleased CGS will accept machine.

Is forwarding the writing machine to Carl Semper.

Is glad FD has taken up his old friends, the twiners.

Hopes to get heliotropic aerial roots from J. D. Hooker. Asks FD to find out whether any moulds or roots are apheliotropic. Is puzzled by heliotropism in subterranean roots.

Thanks for election as a Foreign Member.

Comments on function of bloom.

Describes the effect of water shortage on sleep movements in Porlieria.

Thanks for plants and seeds; requests for more to test Sachs’s notion on "bloom".

Is pleased FD’s climbing work goes well.

Thanks him for information on heliotropism.

Discusses sleep movements

and his observations on the sensitivity of radicle tips.

Encloses letters from Blair on inheritance of injured wing in geese. Says specimens have been sent.

Mentions case of pigeon born without eyes.

Arranges for HdeV to call.

Regrets that LAE went to Down for nothing.

Agrees to read manuscript if short.

Regrets he cannot receive HdeV at Down, because he has just left home.

Responds to ASW’s information about Erythraea

and about wasps on Scrophularia.

GB’s note has given him more pleasure than his election to the French Academy.

CD’s election to Botany Section of French Academy amuses him, because he "doesn’t know the characters of a single natural order!".

Acknowledges his election as a Corresponding Member of the Academy.

CD grateful to EH for making his works known in France.

Cannot help with correspondent’s study. CD has a poor ear for music. Recommends Helmholtz’s work.

Instructs FD to plant some Oxalis seeds.

Wishes to trace the movement of an old cotyledon. Asks him to examine and compare the pulvinus of a species which moves its cotyledon greatly with one of a species that moves it only moderately.

Are the tendrils ready for heliotropic experiment yet?

Climbing plants.

Requests seeds of Echinocystis lobata for Hugo de Vries.