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[Shredded Cattail Mat] Cold in nature. It primarily treats infant erysipelas (a skin condition characterized by redness and heat). Soaking it in ramie juice and drinking it can treat thirst.
This refers to the ramie woven today. There is also wild ramie, which is similar in appearance and can also be used medicinally.
[Note] *Bielu* states: The root calms the fetus and, when applied externally, treats hot toxin-induced erysipelas swelling, with effective results. Fermented ramie juice primarily treats polydipsia (excessive thirst).

[Gut Root] Very cold in nature. It primarily treats chronic heat in the intestines and stomach, polydipsia, and stops frequent urination. Gut root resembles Reed Rhizome (Lugen) in appearance, but its cold and purgative properties are even more intense.

[Huanghuanzi] Slightly toxic. It primarily treats malignant sores, scabies, and kills fish. It originates from Jiaozhou and Guangzhou regions; its shape is flat. When crushed and mixed with rice, then thrown into water, fish of all sizes will float up and die. People apply it ground with vinegar externally to treat scabies, which is also effective.
[Note] This substance is currently called "Huanghuanzi" in the capital area, also known as "Dugu" or "Junge". Tao Hongjing stated it comes from Jiaozhou and Guangzhou; what is currently sent from there to the Taichang Temple is indeed Huanghuanzi, not other substances.

[Shuodi] Sour in taste, warm in nature, toxic. It primarily treats wind-induced wheals and itching, body pruritus, and damp bi-syndrome; it can be used as a bath decoction. Also known as Jincao or Ji. It grows in fields.
Leaves are harvested in spring and summer; stems and roots are harvested in autumn and winter.
It is abundant in fields and villages, specifically used to treat wind-bi-related itching and pain. It is mostly used for thin washing applications and is unsuitable for internal consumption; however, some soak the roots in wine and drink it slightly.
[Note] *Erya* states: Ji is Jincao. Guo Pu's commentary says: It is the sprout of Aconitum carmichaelii (Wutou). Checking the aliases of the three types of Jin, this name does not appear. People in Shu call the Wutou sprout Jincao. Tao Hongjing cited this entry without specifying its source. *Yaodui* and ancient prescriptions do not mention Shuodi, only Luying.

[Bowstring] Treats difficult labor and retained placenta.
In cases of difficult childbirth, bowstrings are taken to bind the waist; and the arrowhead of the crossbow is burned until red, placed in wine, and drunk. Both methods aim at the principle of release and speed.

[Reed-like Root] Treats sudden dysphagia (choking/swallowing difficulty).
When food suddenly chokes and cannot go down, scraping the root and holding it in the mouth, then spitting it out, follows the logic of pounding to extract juice. Principles in the world often influence each other in such ways.

[Cattail Mat] Neutral in nature. It treats tendon overflow (flaccidity or swelling of tendons) and malignant sores.
Burning cattail mats is used only by boatmen, resembling a cattail sail. Mats used in households are mostly made of Cyperus rotundus (Guancao); while underlays are mostly made of cattail. Medical practitioners use cattail mats.
[Note] Xi (mat) and Jian (underlay) are essentially the same, both being bedding for sleeping, considered best when infused with human qi. In the Qing and Qi regions, people call cattail underlays "cattail mats" or "cattail covers," referring to the maker as Jian. In Shannan and Jiangzuo regions, what is woven on the loom is called Xi, and the thick layer underneath is called Jian. As described in the text, preference should be given to those that have been slept on for a long time, regardless of whether they are Jian or Xi.