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From J. D. Hooker   7 November 1877

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Summary

Sent rare cycad seeds for CD’s cotyledon study.

Welwitschia seed germinated at Kew had ordinary cotyledons. JDH thinks mature Welwitschia leaves are original cotyledons.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  7 Nov 1877
Classmark:  DAR 104: 97–8
Letter no:  DCP-LETT-11227

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  • … which Hooker thought developed from the two cotyledons ( J. D. Hooker 1862 , p. 2). …