http://books.google.com/books?id=-Rl4qQtphIC&pg=PA192&lpg=PA192&dq=Amish+Wedding+Celery+significance&source=bl&ots=oNoKrT0_yA&sig=ntLQAAJajHXQmsJEZSecQ9gtmsY&hl=en&ei=ueLcSaClFY_GMs2c0d0N&sa=X&oi=book_result&ct=result&resnum=1#PPA192,M1