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To Hugo de Vries 13 February 1879
Summary
Discusses heliotropism in plant cotyledons. Asks for information.
| Author: | Charles Robert Darwin |
| Addressee: | Hugo de Vries |
| Date: | 13 Feb 1879 |
| Classmark: | Artis Library (De Vries 5) |
| Letter no: | DCP-LETT-11881 |
From Hugo de Vries 24 February 1879
Summary
Did not wish to imply that some leaves are insensitive to light, only that he could not measure their sensitivity. Contraction of roots seems common.
| Author: | Hugo de Vries |
| Addressee: | Charles Robert Darwin |
| Date: | 24 Feb 1879 |
| Classmark: | DAR 209.3: 336 |
| Letter no: | DCP-LETT-11900 |
Document type
| letter | (2) |
Author
| Darwin, C. R. | (1) |
| Vries, Hugo de | (1) |
Addressee
| Darwin, C. R. | (1) |
| Vries, Hugo de | (1) |
