Asks GB to send him flowers of the two forms of Boronia pinnata, as he is republishing his papers on dimorphic plants [Forms of flowers].

Sends copy of Cross and self-fertilisation.

Sends specimens of Boronia.

Discusses the section on diclinous trees and herbs in CD’s new book [Cross and self-fertilisation, pp. 411–13]. CD’s theory that diclinism preceded hermaphroditism seems confirmed.

Has examined the specimens of Boronia pinnata. No evidence of two distinct bodies of individuals.

Asks whether extra-American species of Aegiphila are heterostyled.

Believes Aegiphila to be exclusively American.

Contrasts fertilisation of Australian Acacia with Brazilian Mimosa.

Thanks CD for Forms of flowers. Comments on the chapter on cleistogamic flowers; offers some corrections.

Thanks GB for corrections to chapter on cleistogamic flowers [Forms of flowers].

Asks for his opinion on "bloom"-producing plants in different climates.

Answers CD’s query on "bloom".

Cites cases of leguminous plants whose cleistogamic flowers produce more seed than perfect flowers. [See Forms of flowers, p. 326.]

CD’s election to the French Academy delights GB. Nationalistic prejudices have at last been overcome; congratulates him on what is now universal adoption of his views.

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

Has been at work on Orchideae for Genera plantarum and has found CD’s Orchids wonderfully useful. Comments on some problems of botanical terminology.

CD pleased to be of use to GB. He remembers his own work on orchids with pleasure. Thinks GB will be able to improve CD’s terminology for orchids.

Asks GB to sign certificate for Francis Darwin [candidate for Royal Society].

Pleased to sign certificate for Francis Darwin.

Has never underrated importance of [plant] physiological studies, especially when carried out as FD has been doing.

Asks GB to vote for "a distant connexion of mine" at Athenaeum, and to mention this to Hooker.

Asks GB for help in clearing up his problems about Leguminosae, in connection with his "wild bit of speculation on the crossing of plants" [see Natural selection, p. 71].

Thanks GB for information on Leguminosae, especially about those with apetalous flowers and almost without anthers.

Thanks GB for information on apetalous flowers. "The whole order [Leguminosae] will remain my detestable enemies."

Thanks GB for his help on naturalised plants; comments on spreading of plants.

Wants to quote GB on the names of species and varieties of Silene on which C. F. von Gärtner experimented.

Thinks GB will be disappointed in his book [Natural selection]. "It will be grievously too hypothetical."

For his studies on fertility of crosses, asks GB to mark a list of pairs of Cucubalus as to whether they are varieties of the same species, or distinct species.