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Darwin Correspondence Project

To C. C. Babington   20 January [1862]1

Down. | Bromley. | Kent. S.E.

Jan 20th

Dear Babington

I thank you for your kind & very valuable letter. I shall have some future opportunity of quoting your cases, which are quite new to me.2 I think Stellaria graminea grows here (but I know our British plant very imperfectly) & I must look sharp after it & get its seeds.— As for Hottonia I shall never see it. I know you are a great wanderer in summer: if you ever come across it, would you have the kindness to send me a few fresh spec. in a tin cannister by Post, for I should much like to see its pollen & speculate on manner of action of insects. Lecoq, I have just observed, says that Menyanthes is similarly dimorphic.3 Perhaps where Hottonia grows Menyanthes would also grow. Koch says that Polemonium & Pyrola (according to Lecoq) are likewise dimorphic but I shall, never get to see these & still less to experiment on them, which is the really requisite thing.—4

As I have been begging favours, I will venture to ask you when next at your Botanic Garden to enquire whether the Curator by chance possesses seeds of any of the plants of which I will write a list, & which I much require for different experiments. I know it is a mere chance.—5

My health prevents me walking & that terribly interferes with my getting what I want. And now Mr. Borrer is dead, from whom I expected much.—6 The varieties of Verbascum I want much to test Gärtners experiments.7

Forgive my writing at such length & believe me | Yours very sincerely | C. Darwin

P.S. | I am preparing a little Book on Orchids, which I think contains some new facts, & which I will send you when published.—8

I am convinced that Habenaria bifolia & chlorantha—& Ophrys apifera & arachnites are as good species as any in the world.—9

Footnotes

The year is given by the relationship to the letter from C. C. Babington, 17 January 1862.
See letter from C. C. Babington, 17 January 1862. CD cited Babington on Primula elatior in Forms of flowers, p. 72, and on Stellaria graminea on p. 313 n.
Lecoq 1854–8, 7: 391. There is an annotated copy of the work in the Darwin Library–CUL (see Marginalia 1: 488–95).
CD’s reference is ambiguous. He began reading Lecoq 1854–8 in December 1861 (see Correspondence vol. 9, letters to J. D. Hooker, [9 December 1861] and 28 [December 1861]). Pyrola and Polemonium are discussed in Lecoq 1854–8, 7: 356–62 and 413–14, respectively, but Wilhelm Daniel Joseph Koch is not cited. Lecoq identified Pyrola as being dimorphic in a section that CD highlighted in his copy of the work (p. 357), but did not identify Polemonium as being dimorphic. CD had borrowed a copy of Koch 1843–4 from Joseph Dalton Hooker in 1857 (see Correspondence vol. 6). Koch discussed Pyrola and Polemonium in Koch 1843–4, 2: 550–1 and 568, respectively; however, he did not identify either as being dimorphic, but remarked with respect to Polemonium coeruleum: ‘Flores caerulei, rarius albi’ [Flowers blue, more rarely white].
The enclosure has not been found. As professor of botany at Cambridge, Babington directed the University Botanic Garden; the curator was James Stratton.
William Borrer died on 10 January 1862 (DNB). CD had hoped Borrer might assist him by providing plants and seeds (see Correspondence vol. 9, letter to J. D. Hooker, 18 [December 1861]).
In Origin, pp. 270–1, CD discussed experiments carried out on Verbascum by Karl Friedrich von Gärtner, in which crosses between differently coloured varieties of the same or of different species produced less seed than the parallel crosses between similarly coloured varieties (see Gärtner 1844, pp. 137–8, and Gärtner 1849, pp. 92, 180–1, 724–8; there are heavily annotated copies of these volumes in the Darwin Library–CUL (see Marginalia 1: 248–98)). These experiments were important to CD in countering an objection to natural selection based on the belief that there is ‘some essential distinction between species and varieties’ and that varieties always ‘cross with perfect facility, and yield perfectly fertile offspring’ (Origin, p. 268; see also letter to T. H. Huxley, 14 [January 1862] and n. 7). He had been anxious for some time to repeat Gärtner’s experiments, and had sought specimens and assistance from botanical acquaintances (see Correspondence vol. 9). In December 1862, having failed to obtain the requisite varieties, CD persuaded John Scott to undertake the experiments on his behalf (see letters to John Scott, 19 November [1862] and 11 December [1862], and letter from John Scott, 17 December [1862]).
Orchids was published in May 1862 (Freeman 1977, p. 112). Babington’s name appears on CD’s presentation list for the volume (see Correspondence vol. 10, Appendix IV).
In Orchids, pp. 88–9 and 72, respectively, CD questioned the classification of these plants by some botanical authorities as varieties of each other rather than as true species.

Summary

Discusses Stellaria and other plants said to be dimorphic.

Asks for plants he wants for experiments.

Preparing a little book on Orchids.

Letter details

Letter no.
DCP-LETT-3397
From
Charles Robert Darwin
To
Charles Cardale Babington
Sent from
Down
Source of text
CUL (Add 8182)
Physical description
6pp

Please cite as

Darwin Correspondence Project, “Letter no. 3397,” accessed on 21 November 2017, http://www.darwinproject.ac.uk/DCP-LETT-3397

Also published in The Correspondence of Charles Darwin, vol. 10

letter