3 Items
Page: 1
From Arthur Rawson 19 January 1877
Summary
Has observed the scarcity of humble-bees and subsequently of holly berries this year. But does not think humble-bees ever visit holly flowers, however plentiful they may be.
| Author: | Arthur Rawson |
| Addressee: | Charles Robert Darwin |
| Date: | 19 Jan 1877 |
| Classmark: | DAR 176: 24 |
| Letter no: | DCP-LETT-10805 |
From Arthur Rawson 1 April [1863]
Summary
Conducted crosses on Gladiolus varieties exactly according to CD’s letter. Flowers of same variety are self-sterile, whether from the same plant or not.
| Author: | Arthur Rawson |
| Addressee: | Charles Robert Darwin |
| Date: | 1 Apr [1863] |
| Classmark: | DAR 176: 22 |
| Letter no: | DCP-LETT-4072 |
From Arthur Rawson [6 April 1863]
Summary
Provides evidence of self-sterility in Gladiolus.
Has observed three seed-leaves in some Dianthus seedlings.
Cannot cross, or grow from seed, Dielytra spectabilis.
| Author: | Arthur Rawson |
| Addressee: | Charles Robert Darwin |
| Date: | [6 Apr 1863] |
| Classmark: | DAR 176: 23 |
| Letter no: | DCP-LETT-4074 |
Addressee
| Darwin, C. R. | (3) |
Correspondent
| Darwin, C. R. | (3) |
| Rawson, Arthur | (3) |
