From Francis Darwin to J. H. Gilbert 8 June 1876
Summary
Asks about constituents of burnt soil.
Author: | Francis Darwin |
Addressee: | Joseph Henry Gilbert |
Date: | 8 June 1876 |
Classmark: | Rothamsted Research (GIL13) |
Letter no: | DCP-LETT-10535F |
From David Forbes 1 March 1872
Author: | David Forbes |
Addressee: | Charles Robert Darwin |
Date: | 1 Mar 1872 |
Classmark: | DAR 164: 149 |
Letter no: | DCP-LETT-8233 |
Matches: 1 hit
- … low water Folkestone Carbonate of lime 94·09 — of Magnesium 0·31 Insoluble (rock …
Smith, C. A. (1827–1907)
Matches: 1 hit
- … as Springfield Daily Republican; Date: 09-19-1896; Page: 4; Location: Springfield, …
From Asa Gray 22 May 1877
Summary
Asked C. E. Bessey whether Lithospermum longiflorum was dimorphic like its relatives. Encloses CEB’s reply.
Author: | Asa Gray |
Addressee: | Charles Robert Darwin |
Date: | 22 May 1877 |
Classmark: | DAR 110: B53–7, DAR 165: 196 |
Letter no: | DCP-LETT-10969 |
Matches: 1 hit
- … Corolla 1.14 Style .95 Stamens .98 Anthers .09 Pollen falling freely. Plant No 4 Flower 7 …
Darwin, Francis | (1) |
Forbes, David | (1) |
Gray, Asa | (1) |
Darwin, C. R. | (2) |
Gilbert, J. H. | (1) |
Darwin, C. R. | (2) |
Darwin, Francis | (1) |
Forbes, David | (1) |
Gilbert, J. H. | (1) |
Gray, Asa | (1) |
Darwin's scientific network in Commentary

Charles Harrison Blackley
Summary
You may not have heard of Charles Harrison Blackley (1820–1900), but if you are one of the 15 million people in the UK who suffer from hay fever, you are indebted to him. For it was he who identified pollen as the cause of the allergy. Darwin was…
Matches: 1 hits
- … of pollen grains by a dilution method. In his letter of 9 March 1877 , Darwin wrote: ‘Your …

Mary Treat
Summary
Mary Treat was a naturalist from New Jersey who made significant contributions to the fields of entomolgy and botany. Over the period 1871–1876, she exchanged fifteen letters with Darwin - more than any other woman naturalist.
Matches: 1 hits
- … Mary Treat was a naturalist from New Jersey who made significant contributions to the fields of …