RECORD: Darwin, C. R. 1862.05.01 [Note on Chysis bractescens] CUL-DAR70.93. 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. 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-DAR70 contains material for Darwin's book Orchids (2d ed. 1877).


[93]

Chysis bractescens? May 1. 62 Mr Bateman Biddulph Grange [Congleton]

[insertion:] Close to Cattleya

8 pollen masses all united to one web of elastic threads & grains. Viscid matter does not set in 10' [insertion: yet no nectary] (but after [illeg] I found hard) No difference in fertilisation from all other allies, as Cattleya.

Labellum only slight peculiarity: it has two upcurved basal lobes entering summit of column & anther - distal portion beautifully striped with pink, & in front of rostellum, a fan of short, protuberant orange cellular ridges. While labellum articulated to projection at base of column, as in Acropera Dendrobium &c.

I easily removed pollinia as in Cattleya &c &c,

N.B. in 20' viscid matter of Rost, nearly set, in 30' minute set Hard & dry

[93v]

This matter in the case of Chysis set nearly hard & dry in 20 mins & quite so after in 30 minute after it remains on the [illeg]


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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 25 September, 2022