To Asa Gray 25 February [1864]
Summary
Has not worked for six months due to illness.
Has been looking at climbing plants.
Hermann Crüger’s paper shows that CD was right about Catasetum pollination. Crüger’s account of pollination of Coryanthes "beats everything".
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 25 Feb [1864] |
| Classmark: | Gray Herbarium of Harvard University (80) |
| Letter no: | DCP-LETT-4415 |
Matches: 2 hits
- … work, see letter to Daniel Oliver, 17 February [1864] and nn. 6–10. See letter to Daniel …
- … letter to J. D. Hooker, 10 December [1864] and n. 6. ). ‘Climbing plants’ was read at the Linnean Society on 4 February 1865. Joseph Dalton Hooker . See letter from Hermann Crüger, 21 January 1864 , letter to Daniel Oliver, …
To Asa Gray 19 April [1865]
Summary
Congratulates AG on the "grand news of Richmond".
Still interested in dimorphism and would welcome new cases.
Working on Variation
and correcting proofs of Climbing plants.
Would like seed of AG’s dimorphic Plantago.
Cannot understand how the wind could fertilise reciprocally dimorphic flowers.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 19 Apr [1865] |
| Classmark: | Gray Herbarium of Harvard University (77) |
| Letter no: | DCP-LETT-4467 |
To Asa Gray 26[–7] November [1862]
Summary
Discusses AG’s article ["Dimorphism", Am. J. Sci. 2d ser. 34 (1862): 419–20]. Does not like the terms "dioecio-dimorphism" or "precocious fertilisation". Discusses the separation of sexes in plants; cannot doubt that hermaphroditism is the aboriginal state.
Discusses AG’s observations on orchids and his review of Orchids [Am. J. Sci. 2d ser. 34 (1862): 138–51].
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 26[–7] Nov [1862] |
| Classmark: | Gray Herbarium of Harvard University (50) |
| Letter no: | DCP-LETT-3830 |
Matches: 3 hits
- … 10, above. See also letter to Asa Gray, 23[–4] July [1862] . See also letter to Daniel Oliver, …
- … letters to Asa Gray , 10–20 June [1862] , 23[–4] July [1862] , and [3–]4 September [1862] ). CD marked the last three sentences of this paragraph with a marginal line, apparently in order to draw Gray’s attention to his request. In his review, Gray criticised a point in Daniel Oliver’ …
- … Daniel Oliver, 13 October [1862] , letter to J. D. Hooker, 14 [October 1862] , and letter from J. D. Hooker, [18 October 1862] ). See letter to Asa Gray, 10– …
To Asa Gray 20 April [1863]
Summary
Fears England and U. S. will drift into war; he and AG must "keep to Science".
Thanks for facts on Incas; regrets he has always avoided the case of man.
Has sent his Linum paper [Collected papers 2: 93–105].
Is it true that Ohio has legislated against marriage of cousins?
Can AG explain the invariable angles in phyllotaxy; are they the consequence of packing in the early bud?
Owen’s comments on heterogeny in the Athenæum [28 Mar 1863] have vexed W. B. Carpenter; CD has replied [Collected papers 2: 78–80].
Hopes AG will observe Gymnadenia; John Scott has been experimenting on its fertilisation.
Gives his observation on pollination of Cypripedium.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 20 Apr [1863] |
| Classmark: | Gray Herbarium of Harvard University (51) |
| Letter no: | DCP-LETT-4110 |
Matches: 2 hits
- … Daniel Oliver, 14 April 1863 . After reading Gray’s observations of American species of Cypripedium in A. Gray 1862a , pp. 427–8, CD examined specimens and their pollination by bees. CD confessed that he had not thought of ‘insects crawling into flower’ (see Correspondence vol. 10, letters …
- … letter from Asa Gray, [10–16] June [1863] . A. Gray 1857 , pp. 72–5. There is an annotated copy of this work in the Darwin Library–CUL (see Marginalia 1: 347). Falconer 1863a , p. 80. See letter to J. D. Hooker, 13 January [1863] and n. 22, and letter from Daniel Oliver, …
From Asa Gray 1 September 1863
Summary
Sees difficulties in adhering to the concept of design in nature.
Is surprised at Hooker’s and Daniel Oliver’s ignorance regarding spontaneous movements of tendrils.
CD should continue his work on climbing plants, "it will be fruitful in your hands".
| Author: | Asa Gray |
| Addressee: | Charles Robert Darwin |
| Date: | 1 Sept 1863 |
| Classmark: | DAR 157.2: 108; DAR 165: 139, 140 |
| Letter no: | DCP-LETT-4288 |
Matches: 1 hit
- … 10 and 11. See letter to Asa Gray, 4 August [1863] . CD’s paper entitled ‘Three forms of Lythrum salicaria ’ was read before the Linnean Society on 16 June 1864. Gray also refers to ‘Two forms in species of Linum ’ , a copy of which CD had sent Gray in April 1863 (see Correspondence vol.11, Appendix IV). In his letter to Gray of 4 August [1863] , CD had reported that neither Joseph Dalton Hooker nor Daniel Oliver …
To Asa Gray 28 May [1864]
Summary
Is slowly writing Lythrum paper [Collected papers 2: 106–31].
Thanks for [Charles?] Wright’s observations on orchids
– could he note what attracts insects to Begonia and Melastoma? H. Crüger, who was going to observe Melastomataceae, has died.
Describes the climbing habits of Bignonia capreolata and Eccremocarpus scaber.
How does AG know the perfect flowers of Voandzeia are quite sterile?
He has a case of dimorphism in holly; asks AG to report on American hollies.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 28 May [1864] |
| Classmark: | Gray Herbarium of Harvard University (79) |
| Letter no: | DCP-LETT-4511 |
| letter | (6) |
| Darwin, C. R. | (5) |
| Gray, Asa | (1) |
| Gray, Asa | (5) |
| Darwin, C. R. | (1) |
| Darwin, C. R. | (6) |
| Gray, Asa |
