Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Changing phase relationship between Etide (upper panel) and the leaftide K181 (Ph. coccineus). It is ‘in phase’ soon after LQ Moon together with the presence of the singular A Etide peak on 23/12/1929, but alters to ‘in antiphase’ on the last date shown (28/12/1929). Note the contrasting leaftide periods τ on the last two dates. Conventions are the same as for Figs 2 and 3. Leaf movements redrawn from fig. 5 in Bünning and Stern (1930).
