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From John Scott   [1–11] April [1863]

Summary

Studying self-sterility, particularly in Oncidium, where abortion occurs consistently but stigma functions normally. His hybrid orchid crosses show sterility occurs capriciously. Thus it is not a "special endowment".

Disputes Asa Gray’s and Hermann Crüger’s view of rostellar germination.

Doubts absolute sterility of Catasetum.

Disappointed by results with homomorphic cowslips.

Author:  John Scott
Addressee:  Charles Robert Darwin
Date:  [1–11] Apr [1863]
Classmark:  DAR 108: 183, DAR 177: 86 (fragile)
Letter no:  DCP-LETT-4073

To John Scott   12 April [1863]

Summary

Encourages JS to publish on sterility of orchids and to experiment on Passiflora.

Doubted Hooker’s poppy case.

Describes case of primrose with three pistils: when pulled apart allowed pollen to be placed directly on ovules. This supports JS’s explanation of H. Crüger’s case.

Author:  Charles Robert Darwin
Addressee:  John Scott
Date:  12 Apr [1863]
Classmark:  DAR 93: B59, B77–8
Letter no:  DCP-LETT-4084

From John Scott   [after 12] April [1863]

Summary

Thanks for CD’s Linum paper [Collected papers 2: 93–105].

Has not published much because he would be ignored as a gardener; hence he is looking for a foreign appointment.

Has prepared orchid sterility paper at CD’s suggestion [Trans. Bot. Soc. Edinburgh 7 (1863): 543–50].

Author:  John Scott
Addressee:  Charles Robert Darwin
Date:  [after 12] Apr [1863]
Classmark:  DAR 177: 87
Letter no:  DCP-LETT-4087
Document type
letter (3)
Author
Addressee
Correspondent
Darwin, C. R. (3)
Scott, John[X]
Date
1863
04
01 (1)
12 (2)
letter