呂真人藥石製
中央龍芽

中央龍芽

中央龍芽

黄草

龍牙爲末桑間希，甘堝燒紅裏燼之。合在平地熏製過，水銀滚沸汞不飛。

End of chapter
桑笋龍芽玄毬龍芽

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

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