The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. 1868.11-1869.12. Oxalis speciosa [concerning numbers of seeds in different crosses]. CUL-DAR109.B24. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 11.2022. 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 volumes CUL-DAR108-111 contain material for Darwin's book Forms of flowers (1877).

[B24]

In Nov & Dec 1869 I again crossed several flowers (red marks) but not one set.—

Say they took to flower in early winter & wd not set seed, & therefore I cd not experiment on them.—

[B24v]

November 1868-~~1869~~Oxalis speciosa

Long-styled 4 fl to be fert. by longer stamen of mid-styled II— Legitimate White Thread. I

Long-styled 6 fl. by pollen of shorter stamen of mid-styled IIIIII = 6 Black Threads III

Short-styled — 5 fl. by pollen of longer stamen of mid-styled — Black Thread III

Mid-styled 6 or 8 fl by longer stamens of short-styled Black Thread II

Mid-styled 4 fl by pollen shorter stamens of short-styled II White Thread I

Mid-styled 6 fl (or 10) by own shorter stamen Black wool. — IIIIII

Mid-styled 6 fl (or 10) by own longer stamens Black silk. IIII

(over)

[In blue ink:] Must not be counted owing I suppose to season not one of them set a pod—

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