To Daniel Oliver 28 March [1863]
Summary
Nectar secretion in Edwardsia. Could the stamen protect stigma?
Sends monstrous Primula with three pistils.
Had never heard of Robert Caspary, but what DO thinks is the placenta could be a whorl of pistils without stigmas.
Author: | Charles Robert Darwin |
Addressee: | Daniel Oliver |
Date: | 28 Mar [1863] |
Classmark: | DAR 261.10: 43 (EH 88206026) |
Letter no: | DCP-LETT-4063 |
From J. D. Hooker [28 March 1863]
Summary
Evidence of tropical floras continuous since Tertiary cannot fit CD’s position on intermittent cold periods.
Agrees with CD on reversion and latency.
Author: | Joseph Dalton Hooker |
Addressee: | Charles Robert Darwin |
Date: | [28 Mar 1863] |
Classmark: | DAR 101: 121–2 |
Letter no: | DCP-LETT-4064 |
From Armand de Quatrefages [28 March] – 11 April 1863
Summary
Continues to support, in debates at the Société d’Anthropologie, the view that variability of animals and anatomical modifications are produced by environment. Wishes to use CD’s niata cattle example from Journal of researches [2d ed., pp. 145–6].
Author: | Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau |
Addressee: | Charles Robert Darwin |
Date: | [28 Mar] – 11 Apr 1863 |
Classmark: | DAR 175: 3 |
Letter no: | DCP-LETT-4082 |