RECORD: Darwin, C. R. 1862.06.01. [Note on Cephalanthera.] CUL-DAR70.79. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and John van Wyhe, 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).


[79]

June 1/62/ Cephalanthera

I feel sure that extremely few pollen-masses have this year been broken down — They overhang largely in old flowers the stigma.

I have just examined one with broken down pillars & cup of labellum most distinctly gnawed in 2 places - on 2 ridges & between

[79v]

 The terminal portion of the l. is pointed with globular papillae of an orange colour, & within the cup there are several, transversely wrinkled ridge of a darker orange  tint. These ridges are often gnawed by some insects, & I have find  minute  bitten off fragment  lying  within the  the base of the cup.

During the summer of 1862 the flowers    were visited much less freq than is norm by insects, as shown by the state of their pollen; namely out of 17 flows  which were  examined one day 5 had the surface gnawed; & on  another  day 7 out of 9  were gnawed.

I could find no trace of slime, so that I do not believe they had  been gnawed by slugs;


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

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