>But are there any examples of these, or is this an urban botanical story? Why I reminded of a _Juncus nupela_ (after the New Guinea pigin english for new fellow, new one) recorded for scientific posterity by a well-known cigar-loving Dutch botanist, whose name escapes me for the moment... :) jim ~ Jim Croft ~ jrc at anbg.gov.au ~ 02-62465500 ~ www.anbg.gov.au/jrc/ ~