RECORD: Darwin, C. R. 1864. [Lythrum] short-styled / mid-styled (calculations). CUL-DAR27.2.B22-B23. (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. RN2

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 folder CUL-DAR27.2 contains notes for and the draft of Darwin's paper 'On the sexual relations of the three forms of Lythrum salicaria'. 1864-5. F1731.


B22

Short-styled

10/12 = 83/100

8/13 = 61/100

average 813/10 = 81.3

average 461/8 = 57.6

 

second average omitting th 9. 459/7 = 64.6

10+8/12+13 = 18/25 = 72/100 = per cent

}

813+461/10+8 = 1274/18 = 70.8

} for Summry

 

Mid-styled for Summary

 

11/12 + 12/12 = 23/24 = 96/100 percentage

 

1400/11 + 1296/12 = 2696/23 = 117/2 per capsule

 

 

 

B22v

Long-styled ( for George )

 

5/13 = 38/100

11/13 = 84/100

average 256/5 = 51.2

average 107.3 1180/11 = 107.3

16.000 [÷] 26 [=] 61.5

 

5/13 + 11/13 = 16/26 = 61.5/100 per cent of capsule set

}

256/5 + 1180/11 = 1436/16 = 89.7

} for Summary

 ✔

 

3/15 = /100

3/15 = /100

average 11 per pod omitting the 2.

average 5.3

 

B23

11/12 = 92/100 + 6/1000

12/12 = 100/100

average of seed to one place of decimals 1296/12 = 108.0

 

 1400.11 = 127.3

 

a second average excluding all capsules with under 20 seed.

 

136.5 127.3

1284.11 = 116.7

7/12 = 54/100 + ‹8/1000›

14/15 = 93/100 + ‹3/1000›

332/7 = 47.4

973.14 = 69.5

301/5 = 60.2

925/9 = 102.8  (Mid-styled. Used)

4/12 = 45/100 33/100 + 5/1000

0/0 = 0/100

3/12 = 25/100

 

300.4 = 75.0

0

291/3 = 97.0

0

B23v

1400 [-] 50 [=] 135.0 [÷] 10    1284 [-] 33 [=] 125.1  

 

92 [+] 9 [+] 63 [=] 164 [÷] 3 [=] 54.6    164 [-] 9 [=] 155 [÷] 2 [=] 77.5


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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 27 November, 2025