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"Darwin C R" in search-correspondent [X]
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Airy, Hubert in correspondent [X]
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To Hubert Airy   [before 21 January 1873]


Sends HA’s paper ["On leaf arrangement"] with a supporting note [from CD] to Royal Society.

Author:  Charles Robert Darwin
Addressee:  Hubert Airy
Date:  [before 21 Jan 1873]
Classmark:  Cambridge University Library (MS. Add. 7656: RS899)
Letter no:  DCP-LETT-8744

From Hubert Airy   3 January 1873


HA’s paper on leaf arrangement is almost ready; asks CD to communicate it to the Royal Society. Seeks permission to quote from CD’s notes.

Author:  Hubert Airy
Addressee:  Charles Robert Darwin
Date:  3 Jan 1873
Classmark:  DAR 159: 24
Letter no:  DCP-LETT-8720

From Hubert Airy   21 January 1873


Has sent phyllotaxy paper to G. G. Stokes with the letter from CD to show credentials.

Will not have time to read new Sachs edition CD offered.

Thanks for CD’s sponsorship of paper [Proc. R. Soc. Lond. 21 (1873): 176–9].

Author:  Hubert Airy
Addressee:  Charles Robert Darwin
Date:  21 Jan 1873
Classmark:  DAR 159: 25
Letter no:  DCP-LETT-8745

From Hubert Airy   17 March 1873


Thanks for congratulations on appearance of abstract of HA’s paper [Nature 7 (1873): 343–4].

Explains again his theory of "contraction with twist" by which compact buds and a spiral phyllotaxy have evolved. Explains how the peculiar phyllotaxy of the teasel is explicable by this process of "condensation".

Author:  Hubert Airy
Addressee:  Charles Robert Darwin
Date:  17 Mar 1873
Classmark:  DAR 159: 26
Letter no:  DCP-LETT-8812

From Hubert Airy   26 [September–November 1873]


The Royal Society referees have rejected HA’s phyllotaxy paper, and it will not be printed in Philosophical Transactions. HA is not sorry for he has found new facts which limit the applicability of his views. Now believes that the original leaf arrangement was not necessarily always two-ranked but rather that existing arrangements have developed from a variety of forms with differing numbers of leaf-ranks.

Author:  Hubert Airy
Addressee:  Charles Robert Darwin
Date:  26 [Sept-Nov] 1873
Classmark:  DAR 159: 31
Letter no:  DCP-LETT-9073

From Hubert Airy   7 December 1873


Illustrates, with reference to different species of Gasteria, the role of twisting in the development of leaf arrangement.

Author:  Hubert Airy
Addressee:  Charles Robert Darwin
Date:  7 Dec 1873
Classmark:  DAR 159: 27
Letter no:  DCP-LETT-9175
Document type
letter (6)
Airy, Hubert[X]
Darwin, C. R.[X]
01 (3)
03 (1)
09 (1)
12 (1)