Germination of Cactaceae; CD wants seeds. Site of action of growth-stimuli.
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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.
Germination of Cactaceae; CD wants seeds. Site of action of growth-stimuli.
Has received Ledum with its captured flies.
"At present I care for nothing in this wide world except the biology of seedling plants."
Doubts Ledum warrants investigation. Glands probably serve only to protect the flowers against crawling insects, which would not cross-fertilise them.
CD wants some plants; asks Lynch to raise some Cactaceae for him. Observations on sensitivity and movements of radicle.
CD believes few or none have attributed deaf-mutism to consanguineous marriages.
Invites GJR to visit on the 18th.
Julius von Sachs will "swear & curse" when he finds out he has missed sensitiveness of root apex. Has been putting his notes together and the case is conclusive. [Dated "Saturday 10th" by CD.]
Blood-red onions enclosed.
GJR to come whenever convenient.
Criticises article by TM. "Such a manner of treating the work of other observers did not appear to me the way to encourage truth."
Heliotropism. Requires some plants for experiments.
Encloses Fritz Müller letter, which may be of interest [see 11463].
Has forwarded FM’s letter to Raphael Meldola.
Thanks for information on Mimosa.
Would like to know how Cassia behaves in the rain.
Will use TW’s case of gynodioecious Ranunculus if he prints a new edition of Forms of flowers.
Requesting permission to present a declaration against war to the Foreign secretary.
Glad to see TWH for Sunday dinner.
RM should take no more trouble over the subject [Otto Zacharias’ photos; see 11510].
Will dispatch plants for Kew tomorrow.
Thanks for his notice of Cross and self-fertilisation.
CD’s letter on wide distribution of freshwater plants and animals introduces a letter to him from Arthur H. Gray [see 11497].
Thanks AFG for his interesting communication. Has sent it to Nature for publication [see 11497].