Hi, In message <CAFsz2W_9iDLuH38t9qqLWXSez5HijTiSTG7=aH_7HW7ZrbBERw@mail.gmail.com>, Hannon <othonna@gmail.com> writes >They have been called "cohering keels" and an illustrated article about >them by H. Harold Hume appeared in the Proceedings of the Florida Academy >of Sciences (1: 48-57, 1936). His paper looked at Zephyranthes, Crinum and >a few others. The paper is available (free) online here: http://ia601607.us.archive.org/13/items/… see page 64. Dr. H. H. Hume was awarded the achievement medal for 1936. -- David Pilling email: david@pilling.demon.co.uk web: http://www.davidpilling.net/