By the spelling... ; )One's got a 'u' in it.. : ) Chris. On Thursday, 13 April 2017, 17:33, penstemon <penstemon@Q.com> wrote: how does one tell the difference between these two short stemmed Mediterranean thogs? Ornithogalum sigmoideum Ornithogalum sintenisii and is “Ornithogalum nanum” one of these? Plantarium considers O. nanum to be a synonym of O. sigmoideum. The differences between O. sigmoideum http://www.plantarium.ru/page/image/id/41420.html and O. sintenisii http://www.plantarium.ru/page/image/id/70751.html aren’t easy to spot; might need a key. Freyn was the author of both species so there must be differences. Bob Nold Denver, Colorado, USA _______________________________________________ pbs mailing list pbs@mailman1.ibiblio.org http://pacificbulbsociety.org/list.php http://pacificbulbsociety.org/pbswiki/ _______________________________________________ pbs mailing list pbs@mailman1.ibiblio.org http://pacificbulbsociety.org/list.php http://pacificbulbsociety.org/pbswiki/