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Sends Mint accounts of last three months for JH's approval. Mr. Ramsay [War Department] still silent on disappearance of Benjamin Wyon's model for Kaffir Medal. Will ask Lord Panmure [Fox Maule] for permission to have Wyon make medal from new model not approved by Queen. Has not yet seen JH's successor, Thomas Graham.
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Signs and returns Mint accounts. Notes that two are missing.
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Asks for a pea variety for an experiment.
Discusses C. F. v. Gärtner’s results [in Bastarderzeugung im Pflanzenreich (1849)]. Criticises Gärtner’s belief that hybrids are always less fertile than their parents.
Asks about MJB’s experiments.
CD has begun seed-salting experiments. Wants JDH to write which seeds he expects to be easily killed [in salt water].
CD’s idea that coal-plants lived in salt water like mangroves made JDH savage.
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Responds to CD’s questions about mountain vegetation of the Cape of Good Hope. The distribution of some plants provides problems for both migration and special creation hypotheses.
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Hill introduces courier Thomas Adams, who will pick up JH's parcels. Hopes JH's health is improving. [On verso, signed at Collingwood] Adams's receipt for parcels and one letter, all addressed to officials at Royal Mint.
Thanks MJB for peas.
CD describes his experiments on the effects on germination of the immersion of seeds in sea-water. Hopes to throw light on the distribution of plants. Asks readers of Gardeners’ Chronicle to inform him whether such experiments have already been tried and what class or species of seeds they suppose would be particularly liable to be killed by sea-water.
No summary available.
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.
No summary available.