RECORD: Darwin, C. R. n.d. Penstemon / A didynam Flower something like Foxglove. CUL-DAR76.A4. 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).
[4]
Penstemon (a) A didynam. Flower something like Foxglove — opposite when anthers li[ke] a filamentous body covered with bristles as long as filament but on side of corolla & performs same function, probably, as bed of bristles on same place in Foxglove.
It does not however decidedly occupy lower side of flower.
In Eccremocarpus like trumpet Honeysuckle (a didynam) there is no such analogous means — mouth of corolla much contracted. (a)
[A4v]
(a) In Bilberry &
of corolla much contracted—
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 1 June, 2023