RECORD: Darwin, C. R. n.d. Number of crosses (calculation). CUL-DAR27.2.B46. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed and edited by John van Wyhe 7.2025. RN1
NOTE: Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The folder CUL-DAR27.2 contains notes for and the draft of Darwin's paper 'On the sexual relations of the three forms of Lythrum salicaria'. 1864-5. F1731.
B46
Number of crosses
26
26
30
25
40
24
28
——
223 [total not in Darwin's hand] crosses made—
[calculations not transcribed]
One cross seems like a dozen each [?]
B46v
(One anther suffices)
Natural & unnatural unions
O not [illeg] or no seed
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 3 July, 2025