RECORD: Darwin, C. R. n.d. Summary / Mem pistil surrounded by 6 stamens each with more than enough. CUL-DAR76.B43. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. 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-DAR 76-79 contain material for Darwin's book Cross and self fertilisation (1876).


[43]

Summary

Mem. pistil surrounded by 6 stamens, each with more than enough pollen to fertilise it — innumerable flower all round each pod not taken from outside — plant certainly not dioecious, apparently not dichogam. — Plants growing close together all touching. —

Total   nearly Pure

 

White Kohl Rabbi

Purple do

Portsmouth Broccoli

Brussel Sprout

Sugar Loaf Cabbage

Nearly pure, perhaps not half really pure}

crossed some way

Almost exactly 1/3 nearly pure & 2/3 crossed

Total nearly Pure

60 14

42 13

32 17

42 16

57 18

233 78

 

155

78 [x] 2 [=] 156

[43v]

White Kohl Rabbi.

14 pure or very nearly pure., certainly not all pure

6. nearly pure purple Kohl Rabbi

5 strongest dash of Brussel Sprouts, but in very different degrees; some take very strongly after Brussels yet with great swelling —

35. crossed chiefly by Brussel; perhaps by Cabbage or Cattels about 7 or 8 with dash of purple; with stems only slightly enlarged in some, & not at all in others. —

[total] 60

Purple Kohl Rabbi

13 nearly pure, but certainly not all. quite pure.

8 nearly pure white Kohl

4 with strongest strongest dash of common Sugar-loaf cabbage.

17 very various some with slight enlargement of root, some tapering like Brussels, but the Brussels cross not so plainly marked as in last lot, only 3 of them purplish.


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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 1 June, 2023