明曾青出處

明曾青出處

臣按:曾青出蜀山谷,及越嶲,採無時。畏蟲絲,主療與空青亦相似。今同官,便無曾青。惟出始興,今出蔚州、鄂州也。然蔚州者,勝於鄂州也,餘州皆惡。其形如蚯蚓糞,又如黄連者,佳。滑者好。色理小勝空青。難得而貴。仙經用之亦要,而陶隱居乃言少也。化金之法,事同空青也。

End of chapter

Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji

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