RECORD: Darwin, C. R. & Francis Darwin. 1877.03.06-07. Phlox. CUL-DAR110.B13. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. RN1

NOTE: Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR108-111 contain material for Darwin's book Forms of flowers (1877). See record in the Darwin Online manuscript catalogue, enter its Identifier here.


[13]

Phlox

Pollen of short-styled is to pollen of long styled as 100 to 93.4 (9 measurements of long styled which seemed fairly constant in size: 20 measurements of short-styled which varied more)

The pistil of short-styled is longer than that of sho long styled as 100 to 85 85

Stigma of short-styled to stigma of long styled, in length as 100 to 76.4.

Stigma of short-styled clearly more papillose.

March 7 / Asa Gray Phlox

Average of ten long styled pollen grains = 11.5

ditto ditto from another flower = 12.8 [total] 24.2/2} or as 100 to 90

Average of 20 long-styled pollen grains = 12.15

Average of 12 short styled = 9.16} pr as L 100 to S 75 ie sh stems of in both

Pistil of long-styled to that of short as 100 to 49

Stigma of short-styled to that of long as 100 to 67

Stigma of short-styled most papillose


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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 27 April, 2023