The term 'Lily Type' refers to two different types of lilies, the CALLA Lily (5 letters) and the Sego Lily (4 letters). The CALLA Lily is a flowering plant native to South Africa and is known for its trumpet-shaped flowers. The Sego Lily is a species of lily native to the western United States and is characterized by its star-shaped flowers. Both types of lilies are popular in gardens and bouquets due to their beauty and fragrance.