THE BOOK OF TEA
symbolism. Also it is interesting to observe in this connection the influence of tea on Chinese ceramics. The Celestial porcelain, as is well known, had its origin in an attempt to reproduce the exquisite shade of jade, resulting, in the Tang dynasty, in the blue glaze of the south, and the white glaze of the north. Luwuh considered the blue as the ideal colour for the tea-cup, as it lent additional greenness to the beverage, whereas the white made it look pinkish and distasteful. It was because he used cake-tea. Later on, when the tea masters of Sung took to the powdered tea, they preferred heavy bowls of blue-black and dark brown. The Mings, with their steeped tea, rejoiced in light ware of white porcelain.
In the fifth chapter Luwuh describes the method of making tea. He elimi-
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