Cha-no-yu, 茶の湯, Tea-’s-hot water, is sharing tea with others. In its early days, tea was a medicine used for many purposes. Tea came in many forms, and in Buddhism, tea was drunk before meditation, to keep awake. When offered to the Buddha and other revered spirits, procedure and protocol was established. Flowers are an essential offering to the Buddha, and the most important flower is the lotus, hasu, 蓮. When Zen Buddhism was brought to Japan it  came together with a way of preparing and drinking tea. Tea became inseparable from Zen. (a) The kake-mono, 掛物, hang-thing, shiki-shi, 色紙, color-paper, paperboard with calligraphy ‘‘Cha Zen Ichi Mi’, 茶禅一味,...