I just went through 5 books on Tang poems page by page at a private
university library. Its not in there. I also didnt see any other
poems on tea, wine yes. From what I understand the poems dont rhyme.
They have the same number of characters per line usually five.

Jim

On Mar 31, 9:38 am, (j h) wrote:
> This is not much more information but here goes. I received that
> quotation on a postcard nearly 10 years ago, and it became refrigerator
> art. Attribution given is: 'Anon. T'ang Dynasty 618-906 A.D.'
>
> The postcard was published by a Susan Branch, possibly from Martha's
> Vineyard, for what it's worth. jh