RECORD: Darwin, C. R. [ny].05.05. Mahonia. CUL-DAR209.11.207. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2023. 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-DAR209.11 contains material for Darwin's book Movement in plants (1880).
[207]
Mahonia May 5. 9° a.m
[sketch] 10 20
Young flower pollen not shed.
9. 15 has moved towards stigma about 1/500 of in reset it 9°. 16'
9° 24' to right hand nearly 1/1000 of inch
9 30 nearly 1/500 to right
9 40 1/500 to Right
9. 59' 1 1/4 /500 to right & about 2/500 from stigma
10. 14' 1 1/2 /500 to right & off scale, so about 4/500 from stigma
10. 15 readjusted or reset
10. 30 from stigma
10. 48' again beyond scale from stigma, ie stamen expanding — Reset
11° 29 same course — reset
11. 48' same course & to right
From Pistil in appearance is really to pistil
[207v]
Old flower Pollen shed
[sketch] 10 20
11° 58'.
12° 50' moved to right about 1/2 /500
1 32— a little to right & from pistil
2. 50 to right 1/500 & little from pistil
Conclusion
There is no circumnutation plainly visible in stamens of young or oldish flowers of Mahonia.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 21 August, 2023