RECORD: Darwin, C. R. 1862.10.17. Lythrum which seeded when exposed to insects (experimental observations). CUL-DAR27.2.B53. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. RN1

NOTE: Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin.


[53]

Lythrum, which seeds, when exposed to insects at Down Oct. 17 — 62 — Young Plants in Orchard. Down

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These were yearly seedlings in garden close to covered plants & flowered very late, hence naturally less fertile than wild Plants.— Yet we see that mid-styled more fertile than 2 other forms — This alone had pods with above 100 seed— May say contained on averge 10 to 15 (I think I may say 15 more seed than long-styled & long-styled more fertile than short-styled

See in my artificial crosses (when all completed) whether long-styled more fertile than short-styled, if so I may trust case—


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 24 December, 2022