Showing 81–100 of 187 items
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.
Is pleased FD’s climbing work goes well.
Thanks him for information on heliotropism.
Discusses sleep movements
and his observations on the sensitivity of radicle tips.
Instructs FD to plant some Oxalis seeds.
Wishes to trace the movement of an old cotyledon. Asks him to examine and compare the pulvinus of a species which moves its cotyledon greatly with one of a species that moves it only moderately.
Are the tendrils ready for heliotropic experiment yet?
Instructions to sow some seeds
and suggestions for experiment on effects of removal of bloom.
Likes Hugo de Vries very much; has hardly ever seen so modest a man.
Asks FD to reply to a letter [11653a] requesting a list of CD’s books.
Julius von Sachs’s views on stomata seem largely correct, but CD cannot understand how leaves can survive submerged for such long periods.
Has been observing Drosera and concludes that none of the movement of the tentacles is caused by growth.
Suggests observations to show role of pulvinus in leaf movement.
He has been working hard at Kew for two days.
Asks what position the sub-peduncles assume when the main flower peduncle of Oxalis is tied so as to be horizontal.
Asks whether FD can find some plants at Kew for CD to trace epinastic and hyponastic movements.
Instructs FD to make some observations on movement in Trifolium and Impatiens. Sends some seeds to be sown.
Horse chestnut roots have not acted at all well.
He is getting some of the Heracleum seed sowed and the Cycas planted. Does CD want anything done with the potatoes sent by James Torbitt?
Suggests experiment to detect salts deposited on surface of leaves.
Wants FD to have another go at horse-chestnut radicles.
Many thnks for the pelargonium letter.
He has had no success with horse or Spanish chestnuts.
Requests some seeds.
Believes the leaves of Phyllanthus sleep like those of Cassia.
CD cannot find his pincers and other tools for microscopical dissection. Does FD know where he should look?
Hopes FD will feel better after "so complete a change" [trip to North Africa].
Sends his love to George.
Bernard gets more charming every day.
CD has been put on a committee for a memorial fund for W. K. Clifford.
Directs CD where to find tools in his room. Has been looking at agave and aloe flowers. Thanks family for their letters.
Is increasing FD’s allowance.
Has begun his chapter on sleep of plants [for Movement in plants].
Astonished at circular and will risk revolutions to invest. Describes Blidah, Algeria.
Fungus is an Aecidium. Porliera, Anthuriums and Aroids will hopefully sprout if weather gets hot. Sachs has changed his ideas about the cause of heliotropism. Describes men he is sharing a lab with.
Try to find and read [a German] account of the fir-trees affected by some fungus which produces upright shoots. CD wants to know whether the case is same as what he has observed in the silver fir. Includes diagram.