RECORD: Darwin, C. R. & Francis Darwin. 1877. Frank / Ononis / Perfect flowers diameter of pollen grains [with list of sizes by Darwin F]. CUL-DAR111.A56. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed and edited by John van Wyhe 2.2026. 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-DAR111 contains notes on illegitimate progeny of dimorphic and trimorphic plants for Darwin's book Forms of flowers (1877).

A56

Frank

March 3d 1877

Ononis

6.25

7

7

7

6.50

6.25

7

6.75

66.25

Average 6.6

Perfect flowers diameter of pollen grains

(I dare not trust my old measurements)

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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 14 February, 2026