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To Robert Caspary   25 February [1868]

Summary

Will send English edition [of Variation] when available.

Mentions revisions in second issue concerning graft-hybrids.

Asks for Euryale seed for experiment.

Discusses fertility of crossed and self-fertilised plants.

Author:  Charles Robert Darwin
Addressee:  Johann Xaver Robert (Robert) Caspary
Date:  25 Feb [1868]
Classmark:  DAR 143: 252
Letter no:  DCP-LETT-5932

From Robert Caspary   18 February 1868

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Summary

Discusses the flowers of, and cross- and self-fertilisation in, certain aquatic plants. Gives cases of dichogamy and perfect self-fertility.

Author:  Johann Xaver Robert (Robert) Caspary
Addressee:  Charles Robert Darwin
Date:  18 Feb 1868
Classmark:  DAR 76: B173–4
Letter no:  DCP-LETT-5894

From Robert Caspary   2 April 1868

Summary

Finds important differences between English and German versions of Variation on graft-hybrids.

Experiments and observations on submerged flowers.

Author:  Johann Xaver Robert (Robert) Caspary
Addressee:  Charles Robert Darwin
Date:  2 Apr 1868
Classmark:  DAR 161: 122
Letter no:  DCP-LETT-6083
Document type
letter (3)
Addressee
Correspondent
Caspary, Robert[X]
Darwin, C. R.[X]
Date
1868
02 (2)
04 (1)
letter