From Fritz Müller 12 January 1869
Summary
Gives details of some crossing experiments with Eschscholzia.
Describes the grass Streptochaeta, which FM believes to be a primitive grass.
Relates some observations on maize that are well explained by Pangenesis.
Author: | Johann Friedrich Theodor (Fritz) Müller |
Addressee: | Charles Robert Darwin |
Date: | 12 Jan 1869 |
Classmark: | DAR 76: B34–5 |
Letter no: | DCP-LETT-6549 |
Matches: 6 hits
- … of some crossing experiments with Eschscholzia . Describes the grass Streptochaeta , which …
- … 375 n. 29, and 379–81). CD refers to Eschscholzia crocea , a synonym of E. californica …
- … January 12. 1869. My dear Sir As the Eschscholzia-seed, which I formerly sent you, has not …
- … first discussed the self-sterility of Eschscholzia californica (the California poppy) in a …
- … CD had twice sent Müller seeds of Eschscholzia californica in 1868 (see Correspondence …
- … Here are the experiments, I tried on the Eschscholzia raised from your seeds: First plant: …
From Fritz Müller 18 October 1869
Summary
Describes experiments to test the fertility of Abutilon, which appears self-sterile,
and briefly mentions dichogamy in Eschscholzia.
Author: | Johann Friedrich Theodor (Fritz) Müller |
Addressee: | Charles Robert Darwin |
Date: | 18 Oct 1869 |
Classmark: | DAR 76: B178, Linnean Society of London (LS Ms 299/12) |
Letter no: | DCP-LETT-6943 |
Matches: 4 hits
- … of Abutilon , which appears self-sterile, and briefly mentions dichogamy in Eschscholzia . …
- … 1 April 1868 . CD had sent seeds of Eschscholzia californica (California poppy) with his …
- … n. 11). Müller may refer to seeds of Eschscholzia californica sent by CD with his letter …
- … sterility in Hypecoum and Eschscholzia in his paper ‘Ueber die Bestäubungsvorrichtungen …
To Fritz Müller 8 September [1869]
Summary
Wants observations on a Papilio to see whether ticking noise is confined to one sex.
Experiments on self-sterility.
Will send copy of his orchid paper ["Fertilisation of orchids", Collected papers 2: 138–56].
Eschscholzia when self-fertilised, produced pods.
Author: | Charles Robert Darwin |
Addressee: | Johann Friedrich Theodor (Fritz) Müller |
Date: | 8 Sept [1869] |
Classmark: | The British Library (Loan MS 10 no 30) |
Letter no: | DCP-LETT-6881 |
Matches: 4 hits
- … orchids", Collected papers 2: 138–56]. Eschscholzia when self-fertilised, produced pods. …
- … Gray had visited CD on 28 August 1869. Eschscholzia californica is the California poppy. …
- … grower were of a different species of Eschscholzia (see letter to Fritz Müller, 14 March …
- … 1869] and n. 6. CD had sent seeds of Eschscholzia californica after his letter to Fritz …
To Fritz Müller 1 December [1869]
Summary
Role of humming-birds in plant fertilisation.
Alexander Agassiz has visited Down.
Sales of Facts and arguments for Darwin.
Encloses copy of T. H. Farrer letter [7015] and observations on the self-sterility of Eschscholzia.
Author: | Charles Robert Darwin |
Addressee: | Johann Friedrich Theodor (Fritz) Müller |
Date: | 1 Dec [1869] |
Classmark: | The British Library (Loan MS 10 no 31) |
Letter no: | DCP-LETT-7018 |
Matches: 3 hits
- … of T. H. Farrer letter [ 7015 ] and observations on the self-sterility of Eschscholzia . …
- … discussion on the self-sterility of Eschscholzia californica in Brazil, and the effect of …
- … B31–2. Müller had sent CD seeds of Eschscholzia californica (the California poppy) earlier …
From Friedrich Hildebrand 23 May 1873
Summary
Sends results of his observations of cross- and self-fertilisation of Hypecoum grandiflorum and Eschscholzia californica [see Cross and self-fertilisation, pp. 331–2].
Author: | Friedrich Hermann Gustav (Friedrich) Hildebrand |
Addressee: | Charles Robert Darwin |
Date: | 23 May 1873 |
Classmark: | DAR 76: B179–80 |
Letter no: | DCP-LETT-8920 |
Matches: 2 hits
- … fertilisation of Hypecoum grandiflorum and Eschscholzia californica [see Cross and self- …
- … 332, CD stated that his observations on Eschscholzia californica showed the plant to be …
To Fritz Müller 12 May 1870
Summary
Crossing experiments and self-sterility [in Eschscholzia].
Pangenesis.
Hermann Müller on insect adaptations for fertilisation of flowers.
CD working on book on man and sexual selection.
Author: | Charles Robert Darwin |
Addressee: | Johann Friedrich Theodor (Fritz) Müller |
Date: | 12 May 1870 |
Classmark: | The British Library (Loan MS 10 no 32) |
Letter no: | DCP-LETT-7184 |
Matches: 2 hits
- … experiments and self-sterility [in Eschscholzia ]. Pangenesis. Hermann Müller on insect …
- … his most recent results with plants of Eschscholzia californica raised from seeds sent by …
To Fritz Müller 14 March 1869
Summary
Translation of Für Darwin has been published [Facts and arguments for Darwin (1869)].
Discusses dimorphic plants, commenting on FM’s observations on Oxalis.
Is greatly interested in Eschscholzia, which seems somewhat more self-sterile in Brazil than in England.
Thinks FM’s grass is "most wonderful".
Author: | Charles Robert Darwin |
Addressee: | Johann Friedrich Theodor (Fritz) Müller |
Date: | 14 Mar 1869 |
Classmark: | The British Library (Loan MS 10 no 27) |
Letter no: | DCP-LETT-6662 |
Matches: 2 hits
- … on Oxalis . Is greatly interested in Eschscholzia , which seems somewhat more self-sterile …
- … studying the degree of self-sterility in Eschscholzia californica (the California poppy) …
From George Henslow 20 October 1876
Summary
Asks whether CD’s conclusions on cross- and self-fertilising plants agree with his own as set out in a notice in Nature [14 (1876): 543–4].
Author: | George Henslow |
Addressee: | Charles Robert Darwin |
Date: | 20 Oct 1876 |
Classmark: | DAR 166: 173 |
Letter no: | DCP-LETT-10646 |
Matches: 2 hits
- … dwarfed by lateness of blossoming? ) of Eschscholzia californica , expanding in water, …
- … is the small-flowered willowherb. Eschscholzia californica is the California poppy. CD had …
To Fritz Müller 3 April [1868]
Summary
Movement in plants.
Dimorphism.
Would welcome FM’s opinion of Pangenesis.
Author: | Charles Robert Darwin |
Addressee: | Johann Friedrich Theodor (Fritz) Müller |
Date: | 3 Apr [1868] |
Classmark: | The British Library (Loan MS 10 no 23) |
Letter no: | DCP-LETT-6085 |
Matches: 2 hits
- … first discussed the self-sterility of Eschscholzia californica (California poppy) in a …
- … sterility in plants raised from seeds of Eschscholzia californica sent to him by Müller …
From Fritz Müller [2 November 1866]
Summary
Sends his observations on sterility of Eschscholzia,
on Oxalis,
and on recently found dimorphic plants.
Sends specimen of Hedyotis [see Forms of flowers, p. 133].
Author: | Johann Friedrich Theodor (Fritz) Müller |
Addressee: | Charles Robert Darwin |
Date: | [2 Nov 1866] |
Classmark: | DAR 111: B59, DAR 142: 100, 101, 105, Möller ed. 1915–21, 2: 93–4 |
Letter no: | DCP-LETT-5264 |
Matches: 1 hit
- … Sends his observations on sterility of Eschscholzia , on Oxalis , and on recently found …
To J. D. Hooker 30 October [1873]
Summary
Thanks for leaves. His notes on them will be of greatest service.
He cannot distinguish some Eucalypti from Acacia. Sends specimens, with numbers, for JDH to name.
Acacia farnesiana branches arrived withered, but saw enough to make him wish to examine the plant.
Has thought of some troublesome experiments for Drosophyllum.
Encloses remarks [missing] by Searles Wood, with which CD disagrees, about a new and strongly marked variety transmitting its characters.
The competition of better adapted forms seems to CD a sufficient explanation [for extinction].
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 30 Oct [1873] |
Classmark: | DAR 95: 286–9 |
Letter no: | DCP-LETT-9117 |
Matches: 1 hit
- … of self-fertility in some species, notably Eschscholzia californica ; see, for example, …
To Wilhelm Rimpau 16 January 1877
Summary
Thanks for essays ["Das Aufschiessen der Runkelrüben", Landwirtsch. Jahrb. Berlin 5 (1876): 31–45; "Die Züchtung neuer Getreide Varietäten", ibid 6 (1877): 193–233]. Surprised about Beta vulgaris.
Author: | Charles Robert Darwin |
Addressee: | Arnold Dietrich Wilhelm (Wilhelm) Rimpau |
Date: | 16 Jan 1877 |
Classmark: | DAR 147: 304 |
Letter no: | DCP-LETT-10796 |
Matches: 1 hit
- … in two species of Reseda (mignonette), Eschscholzia californica (California poppy), and …
To George Henslow 23 October [1876]
Summary
Floral structure. The order of the development of the whorls and its relationship to a protandrous or protogynous condition in flowers.
Author: | Charles Robert Darwin |
Addressee: | George Henslow |
Date: | 23 Oct [1876] |
Classmark: | Darwin Library–CUL, Henslow 1888 (tipped in opposite p. 190) |
Letter no: | DCP-LETT-10648 |
Matches: 1 hit
- … of an embryo. On self-sterility in Eschscholzia californica (the California poppy), see …
To John Scott 1 July 1876
Summary
CD has read the two reports on culture of poppies with interest and has planted seeds.
Suggests an experiment for evidence on whether plants, thought merely varieties, are like species and fail to intercross, despite insect pollination.
Author: | Charles Robert Darwin |
Addressee: | John Scott |
Date: | 1 July 1876 |
Classmark: | American Philosophical Society (Mss.B.D25.) |
Letter no: | DCP-LETT-10555 |
Matches: 1 hit
- … CD had found in experiments with Eschscholzia californica (California poppy) that plants …
To J. D. Hooker 8 March [1869]
Summary
Transmits letter [from Fritz Müller].
Has been asked to permit a French translation of Orchids and Journal of researches.
At work on sexual selection.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | 8 Mar [1869] |
Classmark: | DAR 94: 116-17 |
Letter no: | DCP-LETT-6647 |
Matches: 1 hit
- … CD refers to Müller’s experiments with Eschscholzia californica and maize. CD refers to …
To A. R. Wallace 6 April [1868]
Summary
More on the "terrible problem" of natural selection and sterility. CD’s reasons for disagreeing with ARW. CD analyses and answers ARW in detail in defence of his conclusion that sterility cannot be increased through natural selection.
Author: | Charles Robert Darwin |
Addressee: | Alfred Russel Wallace |
Date: | 6 Apr [1868] |
Classmark: | The British Library (Add MS 46434: 125–9) |
Letter no: | DCP-LETT-6095 |
Matches: 1 hit
- … on self-sterility in plants like Eschscholzia californica and had exchanged seeds of this …
To Fritz Müller 30 January [1868]
Summary
Sends Variation and would like to hear what FM thinks of Pangenesis.
Thanks for information on expression.
Dimorphic plants;
differences in seed production in cross- and self-fertilised plants.
Author: | Charles Robert Darwin |
Addressee: | Johann Friedrich Theodor (Fritz) Müller |
Date: | 30 Jan [1868] |
Classmark: | The British Library (Loan MS 10 no 20) |
Letter no: | DCP-LETT-5816 |
Matches: 1 hit
- … Müller had observed self-sterility in Eschscholzia californica ( Correspondence vol. 14, …
From A. R. Wallace 13 December 1876
Summary
Responds to CD’s new work [Cross and self-fertilisation]. Suggests results might have been more convincing if CD had measured weights instead of heights. The fact that infertile hybrids have not been produced means that the "one great objection" has not been got rid of: the physiological characteristic of species. Suggests an experiment to produce "sterile mongrels" which would remove objection.
Author: | Alfred Russel Wallace |
Addressee: | Charles Robert Darwin |
Date: | 13 Dec 1876 |
Classmark: | DAR 106: B130–1 |
Letter no: | DCP-LETT-10717 |
Matches: 1 hit
- … Variation 2: 185–9). CD had received Eschscholzia seeds from Brazil and found that self- …
From Fritz Müller 31 October 1868
Summary
Writes on various observations and discoveries on dimorphic and trimorphic plants.
Author: | Johann Friedrich Theodor (Fritz) Müller |
Addressee: | Charles Robert Darwin |
Date: | 31 Oct 1868 |
Classmark: | DAR 142: 98, 103 |
Letter no: | DCP-LETT-6439 |
Matches: 1 hit
- … and n. 5. CD had sent Müller seeds of Eschscholzia californica (California poppy) for …
From Hermann Müller 19 May 1873
Summary
Praises Expression.
Reports on Fritz Müller’s observations of cross- and self-fertilisation. HM will cultivate the two forms [i.e., mainly self-fertilised and mainly cross-fertilised] in the way CD has described.
He continues his observation of wild flowers. Encloses drawing of Viola tricolor with notes on its self-fertility.
Author: | Heinrich Ludwig Hermann (Hermann) Müller |
Addressee: | Charles Robert Darwin |
Date: | 19 May 1873 |
Classmark: | DAR 76: B181–2, DAR 77: 139 |
Letter no: | DCP-LETT-8907 |
Matches: 1 hit
- … in a now missing letter. Müller refers to Eschscholzia californica and to the work of his …
letter | (26) |
Darwin, C. R. | (15) |
Müller, Fritz | (7) |
Henslow, George | (1) |
Hildebrand, Friedrich | (1) |
Müller, Hermann | (1) |
Darwin, C. R. | (11) |
Müller, Fritz | (9) |
Hooker, J. D. | (2) |
Henslow, George | (1) |
Rimpau, Wilhelm | (1) |
Darwin, C. R. | (26) |
Müller, Fritz | (16) |
Henslow, George | (2) |
Hooker, J. D. | (2) |
Wallace, A. R. | (2) |
Life sciences in Commentary
Cross and self fertilisation
Summary
The effects of cross and self fertilisation in the vegetable kingdom, published on 10 November 1876, was the result of a decade-long project to provide evidence for Darwin’s belief that ‘‘Nature thus tells us, in the most emphatic manner, that she abhors…
Matches: 1 hits
- … Darwin next focused on the California poppy ( Eschscholzia californica ). Fritz Müller, writing …