RECORD: Darwin, C. R. 1863.06.12. Laurus nobilis. CUL-DAR45.146. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library William Huxley Darwin. The volume CUL-DAR45 contains notes for Natural selection chap. 4 'Variation under nature'.


[146]

June 12' —/63./ Laurus nobilis— dissected carefully young shoots — the last formed are formed round axis, which is rather hollow or level, & thou though rapidly growing from greater size of incipient leaf-bud, the older ones project higher than younger ones; yet their bases, (ie axis) or circumference of axis) of last bud is higher than penultimate; so that, gro axis gro rises spirally in height by circumference.— →

[146v]

Unrolled would form a rhomboid [sketch]

Hence buds must be formed on spire; number probably on size of axis & buds themselves.

Their arrangement, so to be alternate & equidistant & alternate will settle (probably) equal angles & probably a fraction of 360 or multiple of 360. But this leaves a multitude of angles.─


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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 26 October, 2022