From:
John Traherne Moggridge
To:
Charles Robert Darwin
Date:
4 Nov 1873
Source of text:
DAR 171: 223
Summary:
Formic acid kills seeds but only rarely makes them dormant – as he presumes ants do. He finds great variation in the vigour of individual seeds. Harvester ants, used in place of formic acid, do not affect germination.
Contributor:
Darwin Correspondence Project