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To J. S. Henslow 23 [August or September 1855]
Summary
Asks JSH to identify an umbellifer.
Describes his efforts to compare number of seeds of wild and cultivated plants.
Asks that more wild celery be collected and seeds counted. Seeks to verify whether "most typical form produces most seed" and whether cultivation lessens fertility.
| Author: | Charles Robert Darwin |
| Addressee: | John Stevens Henslow |
| Date: | 23 [Aug or Sept] 1855 |
| Classmark: | DAR 93: A112–13 |
| Letter no: | DCP-LETT-1748 |
