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Darwin Correspondence Project

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From J. D. Hooker [26 June or 3 July 1856]

Can no longer make out story of NW. American plants; consulting Asa Gray.

Questionable validity of seed-salting experiments.

Aristolochia and Viscum seem to shed pollen before flower opens.

Ray Society should only do translations.

Thomas Thomson in India has rediscovered Aldrovanda, a rare relative of Drosera.

… J. D. Hooker, 10 July 1856 ). Ludwig Radlkofer was an authority on both the sexual and asexual reproduction of plants, about which he wrote several books, including Die Befruchtung der Phanerogamen (Leipzig, 1856). In 1857 …

Darwin, C. R.	(1)
Hooker, J. D.	(1)