Hi, On TV tonight someone worried an ants nest and showed that the resulting formic acid would turn a blue bell flower pink. This was going on in the Lake District, UK, so Hyacinthoides non-scripta. -- David Pilling http://www.davidpilling.com/ _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>