Shén xiān fú shí líng cǎo chāng pú wán fāng zhuàn 神仙服食靈草菖蒲丸方傳

Recipe-Record of Divine Immortals’ Consumption of the Numinous Herb Calamus Pills

Anonymous; Táng

A Táng-era Daoist herbal-pharmaceutical manual on the preparation and consumption of pills made from the chāng pú 菖蒲 plant (calamus / sweet flag) — one of the classical Daoist longevity-herbs. Preserved as DZ 844 / CT 844.