Asks WED to send some specimens [of Lythrum?].
[Letter from Emma Darwin to WED on verso.]
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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.
Asks WED to send some specimens [of Lythrum?].
[Letter from Emma Darwin to WED on verso.]
Gives advice as to whether certain meteorological observations would be worth making.
CD was in error about bees’ behaviour at clover.
Exciting work on trimorphism in Lythrum salicaria. Requests Lythraceae from Kew.
Wants to know of plants other than Melastoma and Lythrum with coloured pollen.
Can CCB get Lythrum hyssopifolium seeds?
Hottonia splendidly dimorphic.
Hive-bees and clover.
Performed a large number of Lythrum crosses before leaving home.
Working on Drosera for amusement. Has tried effect on plants of vegetable substances active on animal nervous systems, e.g., opium; makes Drosera inactive for hours.
Glad AG will publish some separate notes on orchids ["Fertilization of orchids through the agency of insects", Am. J. Sci. 2d ser. 34 (1862): 420–9].
Trimorphism in Lythrum.
Bee behaviour.
Finds JL’s facts on the diving insect that remains four hours under water new and interesting [see "On two aquatic Hymenoptera", Trans. Linn. Soc. Lond. 24 (1864): 135–42].
On ACR’s paper on glacial origin of lakes. CD thinks it is correct. Suggests further investigation to corroborate it. His only doubt has to do with areas of great activity.
On ACR’s view of cause of glacial period: CD did battle with Hooker on same point.
T. F. Jamieson has smashed CD’s Glen Roy marine theory in splendid style.
WDF’s information on turkeys will be useful when CD resumes his half-finished volume [see Variation 1: 292].
Illness in the family.
Asks DO to name enclosed Lythrum received from CD’s sister-in-law [Sarah Elizabeth Wedgwood]
Has passed the time by dissecting flowers of Cruciferae. Sends results, with diagrams, to JDH.
Thanks JL for review [of Orchids, Gard. Chron. (1862): 789–90, 863]; CD published almost by accident, having been led on in part by encouragement from JL.
Son [Leonard] ill with scarlet fever. Also Mrs Darwin.
Intends to give up work on Drosera until Variation is done.
Thanks for JDH’s letter [3725].
Has become interested in experimenting on Drosera.
Observations on the ovaria of Cruciferae.
Would like to go to Cambridge [for BAAS meeting]. Reminisces about his student days.
Pleased that WDF likes his book [Orchids]. At one time CD agreed with Lyell that he was an ass to publish it.
Working on dimorphism and sensibility of other plants.
Thanks for Haast’s observations. Particularly glad to get geological evidence of glacial action (in Southern Hemisphere).
Thinks Ramsay’s theory to large extent true, but thinks that in a much disturbed country some lakes would have been formed in depressions.
Encloses MS on observations and experiments on Drosera. JDH’s opinion will help him decide whether to pursue subject in some future year.
Describes experiment on role of labellum in fertilisation of orchids. Asks for information.