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Thesis
Section 7 is not really about “江南生鄂州袁州吉州其味辛生福州建州韶州象州其”; it is about how Lu Yu turns tea from a local product into an object of argument.
Text
“In Jiangnan, teas of Ezhou, Yuanzhou, and Jizhou are pungent in taste; those of Fuzhou, Jianzhou, Shaozhou, and Xiangzhou are excellent.”
Context
江南道：今长江以南广大地区。鄂州（武昌）、袁州（宜春）、吉州（吉安）茶味辛辣；福州、建州（建瓯）、韶州、象州茶味极佳。
Evidence
- Collation: 各本一致。建州即今福建建瓯，唐代列"味极佳"，宋代更成贡茶中心——陆羽的评价极有远见。
- Existing readings: 吴觉农特别指出建州（闽北）"味极佳"的预见：宋代北苑贡茶、明清武夷岩茶皆出于此——陆羽是史上第一个为福建茶写下好评的人。
Analysis
Formally, the section gives a judgment, adds material detail, then returns to human practice. 江南道：今长江以南广大地区。鄂州（武昌）、袁州（宜春）、吉州（吉安）茶味辛辣；福州、建州（建瓯）、韶州、象州茶味极佳。 That is why the Classic of Tea reads as an argued book rather than a miscellany.
Conclusion
The section does not give a universal rule. It demonstrates a method: read the text, the annotation and the Tang context together before making a modern claim.
Source: The Classic of Tea, Chapter VIII · The Producing Regions, section 7; the original is in the public domain.
Get the character right before the taste.