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(Song Dynasty *Tu Jing*)
[Collected Explanations] Song said: Grows in Fuzhou. Leaves resemble tea leaves, green on top and purple underneath. Fruits are round and red like cinnabar. Roots are slightly purple; harvested in the eighth lunar month, the heart is removed and dried in the sun, resembling *Morinda officinalis* (Baji).
[Flavor and Properties] Acrid, neutral, non-toxic.
[Indications] Treats epidemic diseases causing diaphragmatic qi stagnation, dispels wind-phlegm (Su Song). Resolves toxicity, breaks blood stasis (Li Shizhen).

(Song Dynasty *Tu Jing*)
[Collected Explanations] Song said: Grows in the fields of Zhouzhou. Leaves resemble *Rumex* (sheep's sorrel), roots resemble sea shrimp, black in color, harvested by locals in the fifth lunar month.
[Flavor and Properties] Missing.
[Indications] Ground into powder, used for pouring or washing to reduce swelling and qi stagnation (Su Song).

(Song Dynasty *Tu Jing*)
[Collected Explanations] Song said: Grows in Raozhou, roots harvested in the third lunar month and dried in the shade. Li Shizhen said: Currently commonly called "Xu" as Iron Wire Grass, likely due to homonymy.
[Flavor and Properties] Slightly bitter, neutral, non-toxic.
[Indications] Treats wind-induced swelling and toxins, effective (Su Song).
[Attached Prescriptions] New one. For various wind syndromes in men and women, especially excellent for postpartum wind syndrome. Take 5 qian of Iron Wire Grass root, 1 liang of *Acanthopanax senticosus* (Wujia Pi) bark, and 2 qian of *Saposhnikovia divaricata* (Fangfeng). Grind into powder. Take a female black-bone chicken weighing 1 jin, drown it in water, remove feathers and entrails, chop into loose meat shreds, mix evenly with the medicine, add a little sesame oil, stir-fry until yellow, then cook thoroughly with wine according to the patient's tolerance. First, bathe the head and body with a strong decoction of *Pterocarpus santalinus* (Paifeng Teng) vines, then drink the wine and eat the chicken. Recovery occurs when sticky sweat is expelled. If not bathed, wind urticaria must appear before recovery. (Hua Borun, *Yingning Xinyao*)

(*Bencao Gangmu*)
[Collected Explanations] Li Shizhen said: *Jinsicao* grows in the valleys of Qingyang; its seedling morphology awaits further inquiry.
[Flavor and Properties] Bitter, cold, non-toxic.
[Indications] Treats hematemesis, hemoptysis, epistaxis, hematochezia, metrorrhagia, malarial qi, resolves various drug toxicities, treats carbuncles, sores, furuncles, malignant ulcers, cools blood and dissipates heat (Li Shizhen).
[Attached Prescriptions] New four.
Metrorrhagia in women: *Jinsicao*, *Juniperus communis* (Haibai Zhi) branches, Amomum fruit (Sharen), Sichuan pepper (Huajiao), silkworm cocoon residue paper (Can Tui Zhi), and old brocade ash, equal parts. Grind into powder, take with boiled wine on an empty stomach. Transmitted by Chen Guangshu. (*Tan Ye Weng Fang*) Carbuncles, sores, furuncles, all kinds of malignant ulcers. *Jinsicao*, *Lonicera japonica* (Rendong Teng), *Parthenocissus quinquefolia* (Wuye Teng), and *Fagopyrum dibotrys* (Tianqiaomai), equal parts. Decoct for warm washing. For black lesions, add vinegar. Another formula, Tie Gu San (Iron Hoop Powder): Use 2 liang of *Jinsicao* ash (mixed with vinegar, dried in the sun), 5 liang of *Fritillaria cirrhosa* (Beimu) (heart removed), 2 liang of *Angelica dahurica* (Baizhi). Grind into powder, mix with cool water to apply to the sore, sesame oil is also acceptable. Or add a small amount of dragon bone. Tian She Tou Du Luo Su (i.e., *Jinsicao*), *Lonicera japonica* vines, *Parthenocissus quinquefolia* (Wuye Zi Ge), and *Fagopyrum dibotrys* (Tianqiaomai), equal parts. Chop finely, decoct strongly with high-quality vinegar, fumigate first then wash. (*Jiu