The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1877.10.06-07. Marsilea quadrifolia / Proof sheet of Forms of flowers, p. 68, published p. 133. CUL-DAR209.14.43-44. (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 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-DAR209.14 contains material for Darwin's book Movement in plants (1880).

[43 & 44]

Marsilea — Oct 7' in Study

(1)

8. 45' a.m 7th

12° 10'

1. 50' P.m

2° 15 P.m.

4°.

5°

5° 25'

6°. P.m

6°— asleep P.m

7° 10

8°. 40'

9°. 35

10. 40' P.m.

8°. 25' a.m 8th.

awake.

F. 170 (2/3 scale 5 sets of lettering in ink with blue lines)

Marsilea quadrifolia; circumnutation & sleep movement of a leaflet, trace during one 24 hr

Kept at a rather low temperature Pm traced on vertical glass day one 24 hr.

Trac. reduc to 2/3 of true scale.

[44v]

[Proof sheet of Forms of flowers, p. 68, published p. 133.]

Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)