The term 'Kind of Christmas Tree' can be answered with two crossword solutions: FIR and PEAR. A FIR tree is a coniferous evergreen tree, typically found in the Northern Hemisphere. It is often used as a Christmas tree due to its symmetrical shape and its ability to retain its needles for a long period of time. A PEAR tree is a deciduous tree that is native to Europe, North Africa, and parts of Asia. It is not commonly used as a Christmas tree, but it is sometimes used as an ornamental tree during the holiday season.