Chen Collection, Middle Volume Radical: Tree (mù) Page 562, Entry 01 Pronounced lan. In the Jade Chapters (Yupian), it is defined as a wooden railing. This refers to a curved wooden railing at the edge of stairs. The Records of Guazhou by Duan Guo (Duan Guo Shazhou Ji) states that the Tuyuhun people built a bridge over the river with very ornate curved railings, and the name for curved railings originated here. Also, a cattle pen is called a lan, which is interchangeable with the character lan. In the History of the Former Han (Qian Han Shu), Biography of Wang Mang, it is written that one is kept with oxen and horses in the same pen. It is also interchangeable with lan (meaning to obstruct). In The Miscellaneous Records of the Kaiyuan Era (Kaiyuan Yishi), it is written that for the peonies in the Chenxiang Pavilion, one used a hundred precious items to create a railing. Also, according to the Collected Rhymes (Jiyun), pronounced lian. Name of a tree. In the Rites of Zhou (Zhou Li), Winter Offices: Record of Trades (Dongguan Kaogongji), it describes the process of scouring silk, using lan wood for ashes. The commentary by Zheng says that one uses the ashes of the lan tree to soak and clean the silk. Also, according to the Collected Rhymes (Jiyun), pronounced luan. Name of a tree.