RECORD: Darwin, C. R. [1878].07.10-12. Erytherina caffra / Draft of Cross and self fertilisation, folio 709. CUL-DAR209.2.35. (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. 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-DAR209.2 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. 411.


[35]

Erytherina caffra [sketch]

July 10'   8° 55'

10. 3     far to right & down

11. 37     same course

1°     down

2°        far to right & down (Light?)

3       to left & up— back

4°    same course (leaf still Hanging down

5°        to right & down— parallel & back

 6         to left & up parallel & back

7' 15    straight up — (leaf still hanging vertically down

9°        to right horizontally

10 . 44     a little up & to right

11th    6°. 35

  8°    to right (this means apex move move to stem)

    leaf still dependent

9. 10    down & to right

10°      same course

11. 5     down

12. 3     up & to left

1°    nearly same course

2°     to left & little down— nearly same course

3   down— the leaf is now a little above Horizontal Probably light not bright enough not cold.

4° little up & to R.

5° 15    little to left

6. 15      up & to right — leaf almost vertically down

7. 17      vertically up asleep

8. 8   up & to right (quit vertically down)

8 39     to left

9 10     to left & up

10 4     to left

10 55      same course

12th 6°   40

8' 5       down & to right

9. 5      to right leaf more risen

(Used)

[36]

[Left and right sides of the sheet excised]

98

709

E 10

assured, is far from obvious.

produce twice as many seeds

ss up its numbers under

s of life, and if it did not

fewer flowers, and did vary

ctive organs (as often occurs

steful expenditure of seeds

ved by the flowers becoming

is worth notice. I have stated

that in Britain a much large proportion

ngland, and their sexes separately; so it is according to Asa

America and New Zealand(,)

herbaceous plants.*(B) It is, however, doubt=

generally holds good, and

Australia. But I have

flowers of the prevailing

the Myrtaceæ, swarm with

dichogamous they would be.


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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 20 December, 2025