RECORD: Darwin, C. R. [1878].03.20. Oats / Draft of Cross and self fertilisation. CUL-DAR209.11.7. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2023. RN2
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR209.11 contains material for Darwin's book Movement in plants (1880). Draft in the hand of Ebenezer Norman with corrections by Darwin. The text of the draft corresponds to Cross and self fertilisation, p. 37.
[7]
Oats March 20th
several degrees below Horizon.
Oats. March 20th
Cot. no true leaf Right Hand — True Leaf
8° . 30 ⊡ 8° 30' ⊡
9 . 15 up. 9° 15 little / up
9. 55 much risen 9 . 55 fallen !
10. 38 much risen 10 . 38 almost same spot
11 . 10' do 11° 10 do
14 45 up 11. 45 do
12 . 15 up 12 . 15 a little lower
12 . 57 up 12 57 a little higher
1. 57 to right & close to first dot 1 . 57 a little lower
3 down & to left 3° . an atom down
4° up down 4. do
5 up - I think true leaf protruding
6 . to left
7°. 20 up & to right parallel
8. 30 too contorted to be traced up up.
9. 30' up
10. 30 up ( 10°. 30 same position
(21)
7° am — ⨀ 7° a.m ⨀
8° 8°
49° above Horizon
some other species
rose more better
41°
& were parallel to
earth in pot
49
ie. had risen
about 90°
some other species rose much better & were parallel to each in pot ie. had risen above 90°
[7v]
[top of page excised]
of the crossed survived. The tallest of these when measured was 47 inches in height; whilst the tallest of the two surviving self fertilised plants was only 32 inches. Here again we see how much more vigorous the crossed plants are than the self-fertilised.
Crossed and self-fertilised plants of the seventh generation.— (Ipomoea purpurea). These were raised as heretofore with the following result.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 8 December, 2025