微寒。主面目、通身漆疮。
陶隐居云∶处处有之。伧（士茎切）人取茎生食之。五月五日采，曝干。烧作灰以疗金
疮，
甚验。唐本注今人以为漏芦，非也。臣禹锡等谨按蜀本图经有云∶子若猫蓟。茎圆无刺。五
月采苗，堪生啖，所在下湿地有之。药性论云∶苦 草亦可单用，味苦，无毒。日华子云∶
冷，治丹毒。
食疗云苦 ，微寒。生食治漆疮。五月五日采，曝干。作灰敷面目、通身漆疮，
不堪多食尔
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味酸，寒，无毒。主恶疮 。捣敷之，杀诸小虫。生道旁。
唐本注云∶叶如细萍，丛生，茎头有三叶。一名醋母草，一名鸠酸草。今按别本注云∶
生阴湿处，俗为小酸茅。食之解热渴。四月、五月采，阴干。（唐本先附）臣禹锡等谨按蜀
本图
图经云∶酢浆草，俗呼为酸浆，旧不载所出州土，云生道旁，今南中下湿地及人家园圃
中多有之，北地亦或有生者。叶如水萍，丛生，茎端有三叶，叶间生细黄花，实黑。夏月采
叶用。初生嫩时，小儿多食之。南人用揩 石器，令白如银。
味酸，平，无毒。主口中干痛，水谷血痢，止血。生上党屋上，如蓬初生，一名
瓦松。夏采晒干。
唐本注云∶叶似蓬，高尺余。远望如松栽，生年久瓦屋上。今按别本注云∶今处处有，
皆入药用。生眉发膏为要尔。（唐本先附）臣禹锡等谨按蜀本图经云∶六月、七月采苗，晒
干之。
圣惠方治头风白屑。用瓦松曝干，烧灰淋汁热洗头，不过六、七度。
性味微寒。主治面部、眼部及全身漆疮（接触漆树引起的过敏性皮炎）。
陶弘景说：到处都有。北方人取茎生吃。五月五日采集，晒干。烧成灰用来治疗金疮（金属利器造成的创伤），非常有效。《唐本草》注解说：现在的人把它当作漏芦，这是错误的。臣禹锡等谨按：蜀本图经记载说：种子像猫蓟。茎圆而无刺。五月采集幼苗，可以生吃，各地低湿处都有生长。《药性论》说：苦草也可以单用，味苦，无毒。日华子说：性冷，治疗丹毒。
《食疗本草》说：苦草，性微寒。生吃治疗漆疮。五月五日采集，晒干。烧成灰敷在面部和全身漆疮处，但不宜多吃。
酢浆草
味道酸，性寒，无毒。主治恶疮。捣碎后外敷，能杀死各种小虫。生长在道路旁边。
《唐本草》注解说：叶子像细小的浮萍，丛生，茎头有三片叶子。一名醋母草，一名鸠酸草。现在参考其他版本的注解：生长在阴湿处，俗称为小酸茅。食用它可以解除热渴。四月、五月采集，阴干。（此条为《唐本草》先附内容）臣禹锡等谨按：蜀本图经说：酢浆草，俗称酸浆，旧籍不记载其出产州土，说生长在道路旁，现在南方低湿地及人家园圃中多有生长，北方地也有生长的。叶子像水萍，丛生，茎端有三片叶子，叶间生出细黄花，果实黑色。夏季采集叶子使用。初生嫩时，小儿多吃。南方人用它来擦拭石器，使其洁白如银。
味道酸，性平，无毒。主治口中干痛，水谷血痢，止血。生长在上党地区的屋顶上，形状像蓬草刚长出，一名瓦松。夏季采集晒干。
《唐本草》注解说：叶子像蓬草，高一尺多。远看像栽种的松树，生长在年代久远的瓦屋上。现在参考其他版本注解：现在到处都有，都入药使用。与眉毛头发膏混合使用是主要的用法。（此条为《唐本草》先附内容）臣禹锡等谨按：蜀本图经说：六月、七月采集苗，晒干。
Nature and flavor: Slightly cold. Indications: Mainly treats facial, ocular, and generalized lacquer dermatitis (allergic contact dermatitis caused by exposure to lacquer tree).
Tao Hongjing stated: It is found everywhere. People from the north (Cang people) take the stems and eat them raw. It is harvested on the fifth day of the fifth lunar month and dried in the sun. Burned into ash, it is used to treat metal weapon wounds (Jin Chuang), with very effective results. The *Tang Bencao* annotation states: Nowadays, people mistake it for *Euphorbia humifusa* (Loulou), which is incorrect. Minister Yuxi et al. respectfully note: The *Shu Ben Tu Jing* records that the seeds resemble those of *Cirsium japonicum* (Maoji). The stem is round and thornless. The seedlings are harvested in May and can be eaten raw; they are found in low, wet areas everywhere. *Yao Xing Lun* states: Ku Cao (Bitter Grass) can also be used alone; it tastes bitter and is non-toxic. Ri Huazi stated: It is cold in nature and treats erysipelas (Dan Du).
*Shi Liao Ben Cao* states: Ku Cao (Bitter Grass) is slightly cold. Eating it raw treats lacquer dermatitis. Harvested on the fifth day of the fifth lunar month and dried in the sun. Burned into ash and applied to facial and generalized lacquer dermatitis, but it should not be consumed in large quantities.
Oxalis corniculata (Cujiangcao)
Flavor: Sour. Nature: Cold. Non-toxic. Indications: Mainly treats malignant sores. Crushed and applied externally, it kills various small insects. Grows alongside roads.
The *Tang Bencao* annotation states: The leaves resemble tiny duckweed, growing in clusters, with three leaflets at the stem tip. Also known as Cu Mu Cao (Vinegar Mother Grass) and Jiu Suan Cao (Dove Sour Grass). According to other version annotations: It grows in shady, wet places and is commonly called Xiao Suan Mao (Little Sour Rush). Consuming it relieves heat and thirst. Harvested in April and May and dried in the shade. (This entry was originally attached in the *Tang Bencao*). Minister Yuxi et al. respectfully note: The *Shu Ben Tu Jing* states: Oxalis corniculata (Cujiangcao), commonly called Suan Jiang, does not list its place of origin in older texts, stating it grows by the roadside. Now, it is abundant in low, wet areas in the south and in household gardens, and also grows in northern regions. The leaves resemble water duckweed, growing in clusters, with three leaflets at the stem tip. Fine yellow flowers grow among the leaves, and the fruits are black. Leaves are harvested in summer for use. When young and tender, children often eat them. Southerners use it to rub stone tools, making them white as silver.
Flavor: Sour. Nature: Neutral. Non-toxic. Indications: Mainly treats dryness and pain in the mouth, bloody dysentery from food and water, and stops bleeding. Grows on roofs in Shangdang region, resembling young Artemisia capillaris (Peng Cao), also known as Wa Song (Tile Pine). Harvested in summer and dried.
The *Tang Bencao* annotation states: The leaves resemble Peng Cao, growing over a chi high. From a distance, it looks like planted pines, growing on old tiled roofs. According to other version annotations: It is now found everywhere and all parts are used in medicine. Its primary use is mixed with eyebrow and hair ointment. (This entry was originally attached in the *Tang Bencao*). Minister Yuxi et al. respectfully note: The *Shu Ben Tu Jing* states: The herbs are harvested in June and July and dried.
*Shenghui Fang* treats head wind with white dandruff. Use Wa Song (Tile Pine) dried in the sun, burned to ash, and leached with water to obtain juice. Wash the head with the hot juice; no more than six or seven times are needed.