Historical clue formulations

• Kind of lily — 2024-01-07
• Orange candleflower, for example — 2022-04-02
• Calla lily family — 2015-12-27
• Jack-in-the-pulpit, e.g. — 2014-05-18
• Poisonous lily — 2011-09-03
• Jack-in-the-pulpit, e.g. — 2010-09-11
• Calla lily, e.g. — 2006-08-02
• Jack-in-the-pulpit, e.g. — 2005-07-10
• Kind of lily — 2005-03-18
• Kind of lily — 2000-06-07
• Jack-in-the-pulpit, e.g. — 1997-12-18
• Calla lily family — 1997-08-12
• Kind of lily — 1996-06-05