RECORD: Darwin, C. R. & Emma Darwin. 1877.05.10. Pontederia Size of Ovaria [with table]. CUL-DAR109.B96. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 11.2022. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR108-111 contain material for Darwin's book Forms of flowers (1877).


[B96]

 

Longstyled

Length of ovary

Breadth

mid

Length of ovary

breadth

short

Length of ovary

Breadth

Pontederia Size of Ovaria

 

70.7

28.3

 

78.5

27.2

 

73.7

25.5

number of measurements

 

7

7

 

10

9

 

8

9

 

(Pontederia new species May 10 ─ 1877)

[B96v]

But on measuring the length & breadth

But this does not is by no means seem, to be the case if we may judge judging from the size of the ovaria in the flowers, when they fully expanded; for the average mean length & breadth of the ovaries of were multiplied into together each other, & result was is separated by the  so as to obtain a rough notion of their its bulk, if in each of 3 forms; & calling that of long-styled 100, that of the mid-styled is 108, & that of the short-styled only 940,

I can think after an explanation of the [illeg] lesser size of the pollen-grains in the 2 sets of anthers in the short-styled form.)


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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 2 February, 2023