RECORD: Darwin, C. R. 1855.05.07-.09.25. Radishes. CUL-DAR46.2.A45. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2022. 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 volume CUL-DAR46.2 contains Notes for Natural selection.


[A45]

Radishes

May 7th I can see no difference in young Plants

May 22d I can perceive no difference in leaves

Woods Early Frame largest seed. This & next alone differed in seed a little.

Early Scarlet largest seed

Long White hardly any germinated (largest seed)

White Turnip

Red Turnip

Black Spanish

Rose or Winter (came up before others)

Scarlet olive-shaped none germinated

Rose olive shaped (came up first)

I can see no difference in Cotyledon leaves.

June 6th Plants fully grown very much alike, some bigger than others; almost only difference

Onions. Sept. 25. 55. The onions are now harvested. The "brown globe" differs in shape from the 3 others which differ only apparently in colour, viz "silver-skinned". Spanish which is brown, & blood red. All these are oblate.—

June 18 onions alike.

June 29th. Onions exactly alike now 6-12 inch high.

July 20'. onions do alike. Sept 5 onions all yet quite alike.—

June 18th My Celeriac now darker green more compact leaves, rather narrower leaflets

Cotyledons of Celeriac & common celery quite alike. May 22d do

May 22' Young onion 2 inches high all alike (June 6th do) June 18th White turnip rooted looks rather different paler leaves & rougher, though little different from Rose or winter R

[A45v]

Beginning at left hand upper row

Red Turnip R.

Rose Winter Red Radish. (White longish radish) The flowers of these at first were purplish

Scarlet Olive (all dead)

Black Spanish— Long red (—rather darker)

Early scarlet— long— (large seed)

2d row

White turnip radish

Rose olive Radish long

White long Radish

Woods Frame Radish — long & large (seed larger)

July 2d I can see no difference in flowers


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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 28 August, 2023