Summary

Asks JDH to verify an observation on Dicentra – what CD thought was a branch in the young plant now looks like a gigantic leaf in the old.

Concurs on Spencer’s clever emptiness.

Ramsay exaggerates role of ice. Sorry to hear that Tyndall grows dogmatic.

Admits difficulty of making case for Wallace’s Royal Medal at this time.

Will soon finish the first draft of Variation.

Summary

Sees difficulty of placing Scott at Kew. Suspects Balfour is prejudiced because Scott is a Darwinian.

CD’s former letter on Clematis [4403] blundered; work now being revised.

Summary

CD pleased with Huxley for defending him against Sabine. Also pleased with much of Sabine’s address. Is sure JDH wrote the botanical part.

Suggests James Hector observe which insects visit endemic New Zealand plants

and JDH examine distribution of white vs coloured corollas in New Zealand.

Summary

Is slowly writing Lythrum paper [Collected papers 2: 106–31].

Thanks for [Charles?] Wright’s observations on orchids

– could he note what attracts insects to Begonia and Melastoma? H. Crüger, who was going to observe Melastomataceae, has died.

Describes the climbing habits of Bignonia capreolata and Eccremocarpus scaber.

How does AG know the perfect flowers of Voandzeia are quite sterile?

He has a case of dimorphism in holly; asks AG to report on American hollies.

Summary

Does not know Scott’s qualifications to be curator at Kew.

Frankland’s theory of glaciers is absurd.

Has JDH heard claim that plants in Northern and Southern Hemispheres turn in opposite directions?

Are there plant families with no twining and climbing plants?

Summary

Notes and queries on climbing plants for JDH [? given to him by CD at their meeting of 24 July 1864].

Summary

CD has proved common oxlip to be a hybrid of cowslip and primrose.

Reviewing literature on climbing plants, CD finds he has much new material.

W. H. Harvey claims evidence of saltation in a dandelion.

Summary

John Scott has left Edinburgh Botanic Garden.

Asks JDH to ask Tyndall whether Frankland exaggerates the effect of snowfall on advance of European glaciers.

Huxley and Falconer squabble too much in public.

Summary

Another plea to take Scott on at Kew. Emma begs CD not to employ him at Down.

Has just received a long article on the Origin from D. J. Brown, an Edinburgh baker [see 4464].

Summary

Huxley has answered Kölliker in Natural History Review [(1864): 566–80].

CD is correcting two of Scott’s papers; is convinced primrose and cowslip are two good species.

Summary

Has finished Climbing plants;

resuming work on Variation.

Sends abstract of John Scott’s paper [see 4332].

Has received review of Herbert Spencer but cannot believe AG wrote it unless he has muddled his brains with metaphysics.

Summary

CD’s Lythrum paper has given him as much satisfaction as working out complemental males in cirripedes.

Response to award of Copley Medal.

Letters from Germany and France support natural selection.

Now that climbing plants are done, CD asks for Drosera.

Summary

CD continues to have trouble reconciling the Veitch’s names for Bignonia plants and Kew names.

Lyell and Falconer called on CD in London.

Summary

Thanks WED for measuring cowslip pollen. Sends dimorphic flowers.

Summary

Pleased with news of BAAS meeting

and Scott’s possible position as Thomas Anderson’s curator.

Suggests Wallace is due for a Royal Medal.

Agrees with JDH’s criticism of Lyell’s address [see 4614].

Bentham’s Linnean Society address treats continuity of life in a vague non-natural sense.

Rereading his old MS [Natural selection] CD is impressed with work he had already done.

Writing Variation much harder than Climbing plants.

Encloses request to JDH to propose, or suggest on his behalf, that the Ray Society publish a translation of C. F. von Gärtner’s Versuche und Beobachtungen über die Bastarderzeugung im Pflanzenreich (1849).

Summary

CD thinks JDH takes a hard view of Scott’s character, but will not argue further.

Leersia.

Working on homomorphic and heteromorphic crosses in Primula.

Summary

CD very ill.

Suspects F. Boott’s widow is illegitimate granddaughter of Erasmus Darwin.

CD, like JDH, has speculated that agrarian weeds have become adapted to cultivated ground. Suggests comparison with country of origin.

Wallace’s praise of Herbert Spencer’s Social statics baffles CD.

[Letter completed by E. A. Darwin.]

Summary

CD has told Scott not to hope for help from JDH.

Health improving.

Hopes to write Lythrum paper soon.

Summary

Ernst Haeckel writes that young German scientists are enthusiastic for natural selection.

Did JDH write the article in Natural History Review on trees not producing flowers ["Botanical lesson books", (1864): 355–69]?

Encourages Harvey to publish on his "disagreeable" monster plants.

Summary

CD’s pleasure at JDH’s willingness to help Scott find a position in India.

Naudin underrates contamination of his experiments by insects. Thus CD doubts Naudin’s results on rapidity and universality of reversion in hybrids.

Wallace’s paper on man [see 4494] reflects his genius, although CD does not fully agree with it.