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From Friedrich Hildebrand   18 January 1877

Summary

Praise for Cross and self-fertilisation: most important point proved is benefit of crossing between related individuals grown under different conditions. This explains adaptive value of dispersal mechanisms.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  18 Jan 1877
Classmark:  DAR 166: 215
Letter no:  DCP-LETT-10803

From Friedrich Hildebrand   19 March 1877

Summary

Regrets he cannot help on Oxalis question. He did not note the names of species with cleistogamic flowers as he thought they were sufficiently known.

Author:  Friedrich Hermann Gustav (Friedrich) Hildebrand
Addressee:  Charles Robert Darwin
Date:  19 Mar 1877
Classmark:  DAR 111: A84
Letter no:  DCP-LETT-10900
Document type
letter (2)
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Correspondent