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To J. D. Hooker 1 July [1857]
Summary
George Henslow’s curtness to JDH: "an attack of religion".
Embryonic leaves. Adaptive functions and taxonomic significance of cotyledons.
Asa Gray. Separation of sexes in U. S. trees.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 1 July [1857] |
| Classmark: | DAR 114: 198 |
| Letter no: | DCP-LETT-2116 |
