RECORD: Darwin, C. R. 1878.07.02-04. Pontederia / Draft of Cross and self fertilisation, p. 393. CUL-DAR209.3.286. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and John van Wyhe, edited by John van Wyhe 12.2022. RN1
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-DAR209.3 contains materials for Darwin's book Movement in plants (1880).
Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of the draft corresponds to a footnote in Cross and self fertilisation, p. 393. Darwin had earlier cited the same article in Variation 1: 325.
Anon. 1855. Turnips. Gardeners' Chronicle and Agricultural Gazette (3 November): 29-30.
[286]
July 2d Pontederia young vertical Leaf [sketch]
July 2d
4° 53 P.m first dot
6° to right & little up
7· 15 · to right & down
8° 50 a good way down, plant must have closed laterally
10. 38 to right & down
3d. 6° 48'
8° 12' little back on night line
9. 5' to left or back
10. 3 up & little to right
11. . 5 atom down
12 almost same spot
1° to left Horizontally
2° up & to right →
3. 8 up →
4° 5 guess. behind stick & so to left →
5 ·18 guess to left→
6. 12 down →
7. 15 nearly same place
8. 50 behind stick not marked
4th. 6°· 45' a.m
8 . 30' to right
10. 15 down & to right
[286v]
* page 40
A writer in the Gardeners' Chronicle (1855 p. 730) says that he planted a bed of turnips (Brassica rapa) and of rape (B. napus) close together, and sowed the seeds of the former. The result was that scarcely one seedling was true to its kind, and several closely resembled rape.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 20 December, 2025