RECORD: Darwin, C. R. [1878].06.07-10. Erytherina crista-galli / Draft of Cross and self fertilisation. CUL-DAR209.2.27-28. (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 5.2023. RN3
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-DAR209.2 contains materials on circumnutation of leaves and stems 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 Cross and self fertilisation, p. 380.
[27]
Erytherina crista-galli (not marked) June 7
10. 20' ⨀ first mark (has risen much
11. 20 much up ( light?)
12. 5 more up
1. 30 now down
3º little to right
4º so much down, as to be hardly visible
5 . too low to read
7º 15 perpendicular down not marked
June 8th
Used
6º 40'
8. up considerably
9 down
10 up considerably
10. 15 angles up
11. 15 same spot
11. 32 up
12. 12 down
1º considerably down
2. 5 far down, almost out of sight
2. 55 risen tremendously
3. 45 enormous way down (hardly seen)
4. 50 perpendicularly down
9th ⨀ 6º 45
[27v]
[top of page excised]
perfect flowers. He finds in the nest of Termites in Brazil males and females with imperfect wings, which do not leave the nests and propagate the species in a cleistogene manner, but only if a fully developed queen after swarming does not
[text taped over]
[28]
Erytherina June 9th
6. 45 ⨀ slided pot, same dot,
8 30 far down
8 40 risen
9º 9 down
10º down
10 . 35 a little up & to left
11º up. considerably
11. 18 down
11. 50 down
}
12 40 a bit up
1. 35 much lower
2º 15 do
little movement
due to too
little light?
3. 5 too low to mark
4º do
6º. 5 I believe risen a bit
7. 12 far lower
6. 55' am 10th. (have fallen perpendicular down)
Leaf 3 1/2 in from glass Used
Pt 23 inches high
}
Left observed 3 3/4 long
including thickened joint.
Terminal Leaflet
[28v]
gained, we can understand the co-existence in many flowers of structures which appear at first sight unnecessarily complex and of an opposed nature. We can thus understand the great contrast between Cleistogene flowers which are adapted exclusively for
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 4 February, 2026