RECORD: Darwin, C. R. [1861-1862]. Draft of Orchids, folio 129. CUL-DAR185.71. 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.
Draft is in the hand of Ebenezer Norman with corrections by Darwin. The text of the draft corresponds to Orchids, p. 81.
[71]
(129.
Chapter II
the two stigmas instead of being confluent, & stan standing beneath the rostellum, are necessarily stand apart. lateral & separate. They form two protuberant, almost bow -horn- shaped processes on each side of the mouth of the nectary.
That their surfaces are really stigmatic I ascertained by finding them deeply penetrated by a multitude of pollen-tubes. As in the case of O. pyramidalis, [it is] a pretty little experiment to push [a fin]e bristle into the narrow mouth [of th]e nectary, and to observe how [certai]nly the narrow elongated viscid [disc] forming the roof stick to the [bris]tle. When the bristle is withdrawn [the] pollinia are withdrawn, adhering to [the] upper side, and diverging slightly from
[71v]
[Figure] 2 legs
[sketches]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 9 October, 2023