Darwin-Hooker Letters : Letter from Darwin, C. R. to Hooker, J. D. on 13 Apr 1855 : 1r

'Darwin, C. R.'

Darwin-Hooker Letters

Pea self-fertilisation: has forty-five varieties growing side by side. Describes seed-salting experiments: e.g., immersion in tank filled with snow. Reports some successful germinations. Made list of naturalised plants from Asa Gray's Manual of Botany to calculate the proportions of the great families.

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