RECORD: Darwin, C. R. 1862.10.02. Heterocentron mexicanum from Kew. CUL-DAR205.8.54. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 4.2022. 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 volume CUL-DAR205.8 contains notes on the genus Monochaetum and other plants.
See Correspondence vol. 10, p. 448 where these notes and their context are discussed.
[54]
Heterocentron mexicanum from Kew
Flowers were fertilised June & July 1862, pollen put only once
Oct. 2. 1862 |
Seeds counted |
Pollen of purple anther Black Thread |
Pollen of yellow anther White Thread |
28 |
79 |
68 |
52 |
19 |
15 |
51 |
|
11 |
|
51 – extra quantity of pollen |
|
It is clear that in the instances the two kinds of pollen produced no differences
This H. mexicanum is apparently identical with H. roseum
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022