From Fritz Müller 2 June 1867
Summary
Discusses dimorphism in plants, especially the Rubiaceae.
Gives observations on orchids; notes varying degrees of self-sterility and a varying success at crossing distinct species.
Mentions local ferns he is collecting
and considers the phenomenon of apparently mimetic plants.
| Author: | Johann Friedrich Theodor (Fritz) Müller |
| Addressee: | Charles Robert Darwin |
| Date: | 2 June 1867 |
| Classmark: | DAR 110: B113–14 |
| Letter no: | DCP-LETT-5559 |
Matches: 1 hit
- … Papilionaceous plant, which at first sight, deceived by the colour of its leaves and flowers, …
From J. P. M. Weale 7 July 1867
Summary
Has distributed CD’s questions on expression. Observations on the natives.
Floral structure encouraging cross-pollination in Polygala.
| Author: | James Philip Mansel Weale |
| Addressee: | Charles Robert Darwin |
| Date: | 7 July 1867 |
| Classmark: | DAR 181: 41 |
| Letter no: | DCP-LETT-5581 |
Matches: 1 hit
- … Papilionaceous resemblance in the Polygalas proper with their large & conspicuous keel & alæ, seems to me carried out in an inferior degree in the muraltias, whose analogues would seem to be Amphithaleas. The Medicagos nigra & laciniata & one species of Clover have somewhat similar actions in their stamens here. Since writing the above I have again visited the mountain. On examining the flowers …
| letter | (2) |
| Müller, Fritz | (1) |
| Weale, J. P. M. | (1) |
| Darwin, C. R. | (2) |
| Müller, Fritz | (1) |
| Weale, J. P. M. | (1) |
Darwin in letters,1870: Human evolution
Summary
The year 1870 is aptly summarised by the brief entry Darwin made in his journal: ‘The whole of the year at work on the Descent of Man & Selection in relation to Sex’. Descent was the culmination of over three decades of observations and reflections on…
Matches: 1 hits
- … The year 1870 is aptly summarised by the brief entry Darwin made in his journal: ‘The whole of the …
Scientific Networks
Summary
Friendship|Mentors|Class|Gender In its broadest sense, a scientific network is a set of connections between people, places, and things that channel the communication of knowledge, and that substantially determine both its intellectual form and content,…
Matches: 1 hits
- … Friendship | Mentors | Class | Gender In its broadest sense, a scientific …
Darwin in letters, 1856-1857: the 'Big Book'
Summary
In May 1856, Darwin began writing up his 'species sketch’ in earnest. During this period, his working life was completely dominated by the preparation of his 'Big Book', which was to be called Natural selection. Using letters are the main…
Matches: 1 hits
- … On 14 May 1856, Charles Darwin recorded in his journal that he ‘Began by Lyell’s advice writing …
Darwin in letters, 1858-1859: Origin
Summary
The years 1858 and 1859 were, without doubt, the most momentous of Darwin’s life. From a quiet rural existence filled with steady work on his ‘big book’ on species, he was jolted into action by the arrival of an unexpected letter from Alfred Russel Wallace…
Matches: 1 hits
- … The years 1858 and 1859 were, without doubt, the most momentous of Darwin’s life. From a quiet …
