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From W. E. Darwin [23 June 1866]
Summary
Ovules of males of two forms [of Rhamnus catharticus?] are abortive and both females have incomplete stamens.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | [23 June 1866] |
| Classmark: | DAR 109: A75 |
| Letter no: | DCP-LETT-4962 |
From W. E. Darwin [18 June 1866]
Summary
Sends some specimens of three kinds of buckthorn.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | [18 June 1866] |
| Classmark: | DAR 109: A70 |
| Letter no: | DCP-LETT-5109 |
From W. E. Darwin 20 June [1866]
Summary
Thinks Rhamnus is a case of a dimorphic plant that has become dioecious.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | 20 June [1866] |
| Classmark: | DAR 109: A77 |
| Letter no: | DCP-LETT-5128 |
From W. E. Darwin 21 June [1866]
Summary
"It [Rhamnus catharticus?] is certainly a case of dimorphic become dioecious."
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | 21 June [1866] |
| Classmark: | DAR 109: A80 |
| Letter no: | DCP-LETT-5129 |
From W. E. Darwin 29 June [1866]
Summary
Sends flowers of the differing kinds [of Rhamnus?] with observations.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | 29 June [1866] |
| Classmark: | DAR 109: A78–9, A47–9 |
| Letter no: | DCP-LETT-5134 |
From W. E. Darwin [26–8 June 1866]
Summary
He has had a great struggle with Buckthorn, and would like CD to see the measurements some time.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | [26–8 June 1866] |
| Classmark: | Cornford Family Papers (DAR 275: 28) |
| Letter no: | DCP-LETT-5136F |
