RECORD: Darwin, C. R. [1862?].06.23. Pogonia ophioglossoides. CUL-DAR70.80. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2021. RN2

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-DAR70 contains material for Darwin's book Orchids (2d ed. 1877).


[80]

June 23d Asa Gray Pogonia ophioglossoides — Pollen powdery loose grains, no threads — single grain.

Pollen within a lid, he thinks insects lift this to get at nectar within!

Does not mention Rostellum — At least it is clear that aid of some kind required.—

[80v]

The terminal portion of the L. is pointed with globular papillae of an orange colour, & within the cup there are several, traversing [illeg] ridge of a [illeg] tint. These ridges are often gnawed by some insects, & I have found minute bitten off fragment lying within the base of the cup.

During the summer of 1862 the flowers were visited much less [frequently] than is [illeg] by insects, as shown by the state of the pollen; namely out of 17 flowers which we examine one day 5 had the [illeg] gnawed; & on another day 7 out of 9 were gnawed

I could find no [illeg] of slime, so that I do not believe they had [illeg] gnaw by slugs;


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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 30 October, 2022