To Francis Darwin 2 July [1879]
Summary
FD’s experiment shows that caustic does not interfere with the bending of radicles. Believes that the apex is a kind of brain for certain movements, being specialised to receive certain irritations.
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | 2 July [1879] |
Classmark: | DAR 211: 61 |
Letter no: | DCP-LETT-12132 |
To Francis Darwin 12 July [1879]
Summary
Notes observations on sensitivity and movement of radicles.
Has finished chapter [of Movement in plants] on sleeping plants and is now looking over heliotropism notes.
Is perplexed by Erasmus Darwin; Erasmus [A. Darwin] likes it, but Henrietta thinks it much too long.
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | 12 July [1879] |
Classmark: | DAR 211: 62 |
Letter no: | DCP-LETT-12152 |
To Francis Darwin [2 August 1879]
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | [2 Aug 1879] |
Classmark: | DAR 211: 63 |
Letter no: | DCP-LETT-12179 |
To Francis Darwin [4 February – 8 March 1879]
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | [4 Feb – 8 Mar 1879] |
Classmark: | DAR 211: 49 |
Letter no: | DCP-LETT-11815 |
To Francis Darwin 4 July [1879]
Summary
CD gives suggestions concerning FD’s experiments on the radicles of roots. Asks him to find out whether J. von Sachs tried beans. Should also try other gramineous plants.
Bernard looking forward to his father’s return.
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | 4 July [1879] |
Classmark: | DAR 271.4: 16 |
Letter no: | DCP-LETT-12134A |
To Francis Darwin 2 July [1879]
Summary
Stresses importance of ensuring that cauterisation of radicles does not, through injury, prevent movement. Plans an experiment to test for "apheliotropism" in certain radicles.
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | 2 July [1879] |
Classmark: | DAR 211: 60 |
Letter no: | DCP-LETT-12133 |
To Francis Darwin [before 25 February 1879]
Summary
CD cannot find his pincers and other tools for microscopical dissection. Does FD know where he should look?
Hopes FD will feel better after "so complete a change" [trip to North Africa].
Sends his love to George.
Bernard gets more charming every day.
CD has been put on a committee for a memorial fund for W. K. Clifford.
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | [before 25 Feb 1879] |
Classmark: | DAR 271.4: 12 |
Letter no: | DCP-LETT-11883A |
To Francis Darwin 16 June [1879]
Summary
Has given his reasons for believing that twisting of stem is related to circumnutation in Climbing plants.
Tells results of experiments on movement of cotyledons and radicles.
Is getting aerial heliotropic roots from Kew.
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | 16 June [1879] |
Classmark: | DAR 211: 55 |
Letter no: | DCP-LETT-12111 |
To Francis Darwin 24 June [1879]
Summary
Movement in plants: Philodendron and Dendrobium.
Will go to London on Thursday to receive Baly Medal. Laura Forster has offered them her house in London.
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | 24 June [1879] |
Classmark: | DAR 271.4: 14 |
Letter no: | DCP-LETT-12117A |
From Francis Darwin [6 July 1879]
Summary
Describes bean experiments. Will tell Emma Darwin to tell Elizabeth Darwin that he has written to the Riffel.
Author: | Francis Darwin |
Addressee: | Charles Robert Darwin |
Date: | [6 July 1879] |
Classmark: | DAR 274.1: 61 |
Letter no: | DCP-LETT-12296F |
From Francis Darwin 3 March [1879]
Summary
Astonished at circular and will risk revolutions to invest. Describes Blidah, Algeria.
Author: | Francis Darwin |
Addressee: | Charles Robert Darwin |
Date: | 3 Mar [1879] |
Classmark: | DAR 274.1: 59 |
Letter no: | DCP-LETT-11913F |
From Francis Darwin [before 31 July 1879]
Summary
Discusses Müller-Thurgau’s work on heliotropism. Will start on Thursday for Heidelberg and Strassburg.
Author: | Francis Darwin |
Addressee: | Charles Robert Darwin |
Date: | [before 31 July 1879] |
Classmark: | DAR 274.1: 56 |
Letter no: | DCP-LETT-12177F |
From Francis Darwin 4 July 1879
Summary
Heliotropism nomenclature. Apheliotropic mustard roots grow more quickly in dark. Measures growth with microscope as S. H. Vines did in mould. Studying air roots.
FD’s and Stahl’s negative opinion of Sachs.
Author: | Francis Darwin |
Addressee: | Charles Robert Darwin |
Date: | 4 July 1879 |
Classmark: | DAR 209.3: 334 |
Letter no: | DCP-LETT-12134 |
From Francis Darwin [before 26 June 1879]
Summary
Discusses results of geotropism experiment. Has started some heliotropic caustic experiments on mustard roots. Has trouble making marks.
Author: | Francis Darwin |
Addressee: | Charles Robert Darwin |
Date: | [before 26 June 1879] |
Classmark: | DAR 274.1: 55 |
Letter no: | DCP-LETT-12126F |
From Francis Darwin [after 16 June 1879]
Summary
Reports on roots and climbing plants experiments he is performing in Sachs’ laboratory. Orchids with air roots have come. Goebel says proshelic better than helic.
Author: | Francis Darwin |
Addressee: | Charles Robert Darwin |
Date: | [after 16 June 1879] |
Classmark: | DAR 274.1: 53 |
Letter no: | DCP-LETT-12111F |
From Francis Darwin 29 May 1879
Summary
Fungus is an Aecidium. Porliera, Anthuriums and Aroids will hopefully sprout if weather gets hot. Sachs has changed his ideas about the cause of heliotropism. Describes men he is sharing a lab with.
Author: | Francis Darwin |
Addressee: | Charles Robert Darwin |
Date: | 29 May 1879 |
Classmark: | DAR 274.1: 54 |
Letter no: | DCP-LETT-12067F |
From Francis Darwin [c. 25 February 1879]
Summary
Directs CD where to find tools in his room. Has been looking at agave and aloe flowers. Thanks family for their letters.
Author: | Francis Darwin |
Addressee: | Charles Robert Darwin |
Date: | [c. 25 Feb 1879] |
Classmark: | DAR 274.1: 60 |
Letter no: | DCP-LETT-11883F |
To the Darwin children 21 February 1879
Author: | Charles Robert Darwin |
Addressee: | Elizabeth (Bessy, Lizzy) Darwin; Francis Darwin; George Howard Darwin; Horace Darwin; Leonard Darwin; William Erasmus Darwin; Henrietta Emma Darwin; Henrietta Emma Litchfield |
Date: | 21 Feb 1879 |
Classmark: | DAR 210.6: 153 |
Letter no: | DCP-LETT-11896 |
Darwin, C. R. | (10) |
Darwin, Francis | (8) |
Darwin, Francis | (10) |
Darwin, C. R. | (8) |
Darwin, Elizabeth | (1) |
Darwin, G. H. | (1) |
Darwin, H. E. | (1) |
Darwin, C. R. | |
Darwin, Francis | |
Darwin, Elizabeth | (1) |
Darwin, G. H. | (1) |
Darwin, H. E. | (1) |
Darwin, Horace | (1) |
Darwin, Leonard | (1) |
Darwin, W. E. | (1) |
Litchfield, H. E. | (1) |