RECORD: Darwin, C. R. n.d. Angles of Divergence of Leaves [calculations and table of values]. CUL-DAR51.A28. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed and edited by John van Wyhe. 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.
A28
Angle of Divergence of Leaves —
(Protract on paper)
1/2 = — .500000
1/3 = — .333333
2/5 = — .400000
3/8 = — .375000
5/13 = — .384615
8/21 = — .380950
13/34 = — .382350
21/55 .381
21.0 [÷] 55 [=] 381 (Perfect alternation )
A28v
[calculations not transcribed]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 28 November, 2025