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.
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
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.
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.