Has named 35 species of grasses.
Seed-salting continues.
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Has named 35 species of grasses.
Seed-salting continues.
CD experiments: sowing seeds in fields; "breaking" seeds’ constitution with coloured light; plant hybridisation. Compiling works on hybridism.
Respect for W. B. Carpenter.
Note on "nectar secreting" to Gardeners’ Chronicle [Collected papers 1: 258–9].
Has read a paper, presumably by JDH, using the Madeiran flora to argue against Forbes’s doctrine.
JDH asked how far CD will go in attributing common descent; he intends to show "the facts & arguments for & against the common descent of species of same genus; & then show how far the same arguments tell for or against forms, more & more widely different".
Parcels sent to Down by coach may get lost.
Praise for JDH’s Flora Indica [J. D. Hooker and T. Thomson (1855)] from CD and C. J. F. Bunbury.
CD and J. S. Henslow dining in London. JDH invited.
Australian Leguminosae problem: of 900 species not ten are common to southwest and southeast. No migration; hence either creation or variation.
Himalayan thistles: graded intermediates between large and small English species, "shakes species to their foundations". Similarity of CD’s and his views on species.