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From Alfred Newton   21 March 1863

Summary

Sends tuber of Chilean wild potato, requested through Hooker and P. L. Sclater.

Plans to exhibit a bird’s foot with a large ball of clay attached. This phenomenon supports CD on seed dispersal.

Author:  Alfred Newton
Addressee:  Charles Robert Darwin
Date:  21 Mar 1863
Classmark:  DAR 172: 39
Letter no:  DCP-LETT-4054

From John Scott   21 March [1863]

Summary

Thanks for CD’s answers on Passiflora

and Asa Gray review.

Has observed gradation of sterility in Oncidium species.

Has observed rostellar germination and fertilisation in Laelia. The latter was prevented in Bletia by covering the stigma with plaster of Paris.

Gongora atropurpurea capsules are swelling.

Author:  John Scott
Addressee:  Charles Robert Darwin
Date:  21 Mar [1863]
Classmark:  DAR 177: 85
Letter no:  DCP-LETT-4055
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