Showing 81–100 of 125 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.
Wants some plants for observation and for experimentation on their powers of movement.
Asks WTT-D to make observations on plants with sensitive stamens or pistil.
Thanks for the seeds and plants that he requested.
Discusses effects of water on movement of insectivorous plants.
Has just found that Pinguicula can digest albumen.
Asa Gray writes that Sarracenia secretes trail of fluid to attract insects [see 9455].
Did not know cabbage contained so much nitrogen.
Pinguicula more excited by seeds than Drosera. Asks for information about Pinguicula.
Asks name of weed.
Asks to borrow Utricularia plant.
Has found Pinguicula excited by bits of leaves; appears to digest leaves and seeds. Plant not only insectivorous but graminivorous. Asks WTT-D to identify seeds.
Thanks for letter and seeds.
Asks that Hooker return references about plants eating insects.
Discusses Pinguicula.
Describes leaf movements of Pinguicula and Drosera in capturing prey. Notes effects of ammonium carbonate on leaves.
Describes how Pinguicula captures insects.
Thanks for letter on Erica tetralix.
Identification of leaves digested by Pinguicula.
Must stop work on "bloom" and leaf movements if he is ever to get anything published on Drosera, etc.
Sends thanks for seeds. Encloses memorandum in case WTT-D wishes to communicate information to Royal Horticultural Society. Has not time to prepare article.
Discusses condition of plants borrowed from Kew.
Thanks WTT-D for his present of Sachs’s book [Textbook of botany (1875)].
WTT-D and E. R. Lankester wish to visit CD.
Has corrected some references for new edition of Variation.
Encloses corrections and notes on Variation [1st ed.].
Reports on Schrankia aculeata in which pinna and pinnule are sensitive, but, unlike Mimosa pudica, rachis does not move.
PS concerning Imantophyllum.
It has been empirically established at Kew that insular plants tend to be heteromorphic, plants with entire leaves tending to produce divided leaves.
H. N. Moseley says [in "Notes on plants collected and observed at the Admiralty Islands", J. Linn. Soc. Lond. (Bot.) 15 (1877): 77] pigeons eject seeds in fit state for germination. He regards pigeons as providing most efficient means of transport in Malayan Archipelago.
CD’s collected notes on geographical distribution would make a good book.
References to figures of Coryanthes.
Notes and extracts relating to "bloom".
Remarks on the difference between the sexes in Restionaceae and other subjects – occasioned by reading the introduction [to Forms of flowers].