味辛，温。主风头痈肿、乳痈、疝瘕，除结气、疥瘙（《御览》有痈疮二字），杀虫鱼。
生山谷。
《吴普》曰∶莽草，一名春草。神农∶辛；雷公、桐君∶苦，有毒。生上谷山谷中或冤
句。五月采。治风（《御览》）。
《名医》曰∶一名 ，一名春草。生上谷及冤句。五月采叶，阴干。
案∶《中山经》云∶朝歌之山有草焉，名曰莽草，可以毒鱼。又 山有木焉，其状如棠
而赤，叶可以毒鱼。《尔雅》云∶ ，春草。郭璞云∶一名芒草。《本草》云∶《周礼》云
∶翦氏掌除蠹物，以薰草莽之。《范子计然》云∶莽草，出三辅者，善。陶弘景云∶字亦作
两。
雷丸（《御览》作雷公丸） 味苦，寒。主杀三虫，逐毒瓦斯、胃中热，利丈夫，不利女
子
。作摩膏，除小儿百病（《御览》引云∶一名雷矢。《大观本》作黑字）。生山谷。
《吴普》曰∶雷丸，神农∶苦；黄帝、岐伯、桐君∶甘，有毒；扁鹊∶甘，无毒；李氏
∶大寒（《御览》引云∶一名雷实。或生汉中。八月采）。
《名医》曰∶一名雷矢，一名雷实。生石城及治中土中。八月采根，曝干。
案∶《范子计然》云∶雷矢，出汉中。色白者，善。
味苦，寒。主恶蚀、创着阴皮，主五痔，杀三虫。花∶主传猪创，饲猪，肥大三倍。生
山谷。
《名医》曰∶生桐柏山。
案∶《说文》云∶桐，荣也；梧，梧桐木，一名梓。《尔雅》云∶榇梧，郭璞云∶今梧
桐。又荣桐木，郭璞云∶即梧桐。《毛诗》云∶梧桐生矣。《传》云∶梧桐，柔木也。
【莽草】
味道辛，性温。主治头部的风邪引起的痈肿、乳痈（乳房红肿热痛）、疝气及瘕积（腹内结块），能消除气机郁结，治疗疥癣瘙痒（《太平御览》中多“痈疮”二字），并能杀灭鱼体内的寄生虫。
生长在山谷中。
《吴普》记载：莽草，又名春草。神农氏认为其味辛；雷公、桐君认为其味苦，有毒。生长在上谷山谷中或冤句。五月采集。可治疗风病（《太平御览》）。
《名医别录》记载：又名[缺字]，又名春草。生长在上谷及冤句。五月采集叶片，阴干。
按语：《中山经》说：朝歌山有一种草，名叫莽草，可以用来毒杀鱼类。又有某山有一种树，形状像棠梨树且叶子发红，其叶可以毒杀鱼类。《尔雅》说：[缺字]，就是春草。郭璞注释说：又名芒草。《本草》引用《周礼》说：翦氏掌管清除蛀虫等害虫，用薰草来熏杀莽草（此处指利用莽草杀虫的特性或相关习俗）。《范子计然》说：莽草，出自三辅地区的品质好。陶弘景说：字形也写作两个“两”字组合。
【雷丸】
（《太平御览》作雷公丸）
味道苦，性寒。主治杀灭人体内的三种寄生虫，驱除体内的毒瓦斯和胃中的热气，对男子有利，但对女子不利。制作成磨膏外用，可去除小儿的各种疾病（《太平御览》引文称：又名雷矢。《大观本》中“雷矢”写作黑字）。生长在山谷中。
《吴普》记载：雷丸，神农氏认为其味苦；黄帝、岐伯、桐君认为其味甘，有毒；扁鹊认为其味甘，无毒；李氏认为其大寒（《太平御览》引文称：又名雷实。有的生长在汉中。八月采集）。
《名医别录》记载：又名雷矢，又名雷实。生长在石城及治中地区的土壤中。八月采集根部，晒干。
按语：《范子计然》说：雷矢，出自汉中。颜色白的品质好。
【桐叶】
味道苦，性寒。主治恶蚀疮（一种腐蚀性溃疡）、创伤沾染到阴部皮肤，主治五种痔疮，杀灭三种寄生虫。花：主治传染给猪的创伤，喂猪吃，能使猪肥大三倍。生长在山谷中。
《名医别录》记载：生长在桐柏山。
按语：《说文解字》说：桐，是繁荣的意思；梧，是梧桐木，又名梓。《尔雅》说：榇梧，郭璞注释说：即现在的梧桐。又提到荣桐木，郭璞注释说：就是梧桐。《毛诗》说：梧桐生长在那里。《传》注说：梧桐，是柔韧的树木。
[Mangcao (Mang Cao Herb)]
Flavor: Pungent. Temperature: Warm. Indications: Primarily treats wind-induced carbuncles and swelling of the head, mastitis (inflammation of the breast tissue), hernia, and mass accumulation in the abdomen; resolves Qi stagnation, treats scabies and pruritus (The *Taiping Yulan* includes "carbuncle sores"). It kills parasites in fish.
Habitat: Grows in mountain valleys.
*Wu Pu* records: Mangcao is also known as Chuncan. Shennong states it is pungent; Leigong and Tongjun state it is bitter and toxic. It grows in the valleys of Shanggu or Yuanju. Harvested in the fifth month. Treats wind disorders (*Taiping Yulan*).
*Mingyi Bielu* records: Also known as [missing character], and also known as Chuncan. Grows in Shanggu and Yuanju. Leaves are harvested in the fifth month and dried in the shade.
Commentary: The *Classic of Mountains and Seas (Zhongshan Jing)* states: On Chaoge Mountain, there is a herb named Mangcao, which can be used to poison fish. There is another tree on a certain mountain, resembling the pear tree with red leaves, whose leaves can poison fish. The *Erya* states: [Missing character] is Chuncan. Guo Pu comments: Also known as Mangcao. The *Bencao* cites the *Rites of Zhou*: The Jian Shi official is responsible for removing pests, using Xuncao to fumigate Mangcao (referring to the use of Mangcao for pest control). Fanzi Jiran states: Mangcao from the Sanfu region is of superior quality. Tao Hongjing notes: The character is also written with two "Liang" components.
[Leiwan (Thunder Pill)]
(The *Taiping Yulan* refers to it as Leigong Wan)
Flavor: Bitter. Temperature: Cold. Indications: Primarily kills three types of intestinal parasites, expels toxic vapors and heat in the stomach, benefits men, but is not suitable for women. When made into a rubbing ointment, it removes various diseases in children (The *Taiping Yulan* citation adds: Also known as Leishi. The *Daguan Edition* writes "Leishi" with the character for black). Grows in mountain valleys.
*Wu Pu* records: Leiwan. Shennong states it is bitter; Huangdi, Qibo, and Tongjun state it is sweet and toxic; Bianque states it is sweet and non-toxic; Li Shi states it is greatly cold (The *Taiping Yulan* citation adds: Also known as Leishi. Some grow in Hanzhong. Harvested in the eighth month).
*Mingyi Bielu* records: Also known as Leishi, and also known as Leishi. Grows in the soil of Shicheng and Zhizhong. Roots are harvested in the eighth month and sun-dried.
Commentary: Fanzi Jiran states: Leishi comes from Hanzhong. Those that are white in color are of superior quality.
[Tongye (Tung Leaf)]
Flavor: Bitter. Temperature: Cold. Indications: Primarily treats corrosive ulcers (malignant erosions), wounds affecting the skin of the genitals, five types of hemorrhoids, and kills three types of parasites. Flowers: Primarily treat contagious wounds in pigs; when fed to pigs, they cause the pigs to become three times fatter. Grows in mountain valleys.
*Mingyi Bielu* records: Grows on Tongbai Mountain.
Commentary: The *Shuowen Jiezi* states: "Tong" means flourishing; "Wu" refers to the Tung tree, also known as Ziyang. The *Erya* states: Chenwu. Guo Pu comments: This is the modern Tung tree. It also mentions Rongtongmu. Guo Pu comments: This is the Tung tree. The *Book of Songs (Mao Shi)* states: "The Tung trees grew there." The Commentary states: The Tung tree is a flexible wood.