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味甘、辛，平，有小毒。主水症。水研二十枚服之，吐恶沫，加至三十枚。
三日一服，瘥则止。又主风虚寒热，身体疮痒，浮肿，尸疰恶气，笮取油涂之。叶主香港脚，
风肿不仁，捣蒸敷之。
唐本注云∶此人间所种者，叶似大麻叶而甚大，其子如蜱（音卑），又名萆麻。今胡中
来者，
茎赤，树高丈余，子大如皂荚核，用之益良。油涂叶炙热熨囟（音信）上，止衄尤验也。（唐
本先附）臣禹锡等谨按蜀本图经云∶树生，叶似大麻大数倍，子壳有刺，实大于巴豆，青
黄
色斑，夏用茎、叶，秋收子，冬采根，日干。胡中来者，茎、子更倍大。所在有之。又云∶
叶似 草而浓大。茎赤，有节如甘蔗。日华子云∶治水胀腹满。细研水服，壮人可五粒。催
生，敷产人手足心，产后速拭去。疮痍疥癞亦可研敷。
图经曰∶蓖麻子，旧不着所出州郡，今在处有之。夏生苗，叶似 草而浓大。茎赤有节
如甘
蔗
，高丈许。秋生细花，随便结实，壳上育刺，实类巴豆，青黄斑褐，形如牛蜱，故名。夏采
茎、叶，秋采实，冬采根，日干。胡中来者，茎子更大。崔元亮《海上方》∶治难产及胞衣
不
下，取蓖麻子七枚，研如膏，涂脚心底，子及衣才下，便速洗去。不尔肠出，即用此膏涂顶
，肠当自入。
雷公云∶凡使，勿用黑天赤利子，缘在地蒌上生，是颗两头尖有毒。药中不用。其蓖麻
子，
形
似巴豆，节节有黄黑斑点。凡使先须和皮用盐汤煮半日，去皮取子，研过用。外台秘要∶治
半
身不遂，失音不语。取蓖麻子油一升，酒一斗，铜钵盛油，着酒中一日，煮之令酒、油熟，
服之。又方∶治水气。取蓖麻子去皮研，令熟水解得三合。清旦一顿服之尽，日中当下青黄
水
。千金方∶治岭南香港脚，从足至膝，胫肿满，连骨疼者。蓖麻子叶切蒸薄裹，二、三易即消
。
肘后方∶治一切毒肿疼痛不可忍者，捣蓖麻子敷之瘥。又方∶产难。取蓖麻子二枚，两手各
把一
枚，须臾立下。经验后方∶治风疾鼻榻。蓖麻不拘多少，去皮拍为二斤，用黄连等分捶碎，
二
件用水一处浸七宿后，空心、日午、卧时只用浸者水吞下一片，水尽旋添勿令干。服两月后
，吃大蒜猪肉试验。如不发动，便是效也。若发动时，根据前法再服，直候不发。如只腿胀，
用针出毒物，累有神效。修直秘旨治小儿丹瘤。蓖麻子五个去皮研，入面一匙，水调涂之，
甚效。杜壬治疠风，手指挛曲，节间痛不可忍，渐至渐落。方∶蓖麻一两去皮，黄连一两锉
如豆，以小瓶子入水一升，同浸。春夏三日，秋冬五日后，取蓖麻子一枚擘破，面东以浸药
水准旦时一服。渐加至四、五枚，微利不妨。瓶中水少更添。忌动风食，累用得效。又方∶
治
咽中疮肿。蓖麻子一枚去皮，朴硝一钱，同研，新汲水作一服，连进二、三服效。初虞世治
汤火伤神妙。萆麻子、蛤粉等分末研膏。汤损用油调涂，火疮用水调涂。
衍义曰∶蓖麻子，作朵生，从下旋旋开花而上，从下结子，宛如牛身之蜱。取子妙熟，
去皮
，烂嚼，临睡服三、二枚，渐加至十数枚。治瘰 ，必效。
蓖麻子（音同“卑”）
味甘、辛，性平，有小毒。主治水肿病。用水研磨二十粒服用，可吐出恶臭的泡沫，剂量可增加至三十粒。每三天服用一次，痊愈即停药。又主治风虚引起的寒热往来，身体疮疡瘙痒，浮肿，尸疰及恶气，榨取油外涂即可。其叶主治香港脚（足部肿胀疼痛），风肿导致的感觉麻木，捣碎后蒸热敷用。
《唐本草》注解说：这是民间种植的，叶子像大麻叶但非常大，种子像蜱虫（音同“卑”），又名萆麻。现在从胡地（西域）来的，茎是红色的，树高一丈多，种子大如皂荚核，使用效果更好。将油涂在叶子上加热熨烫囟门（音同“信”，指婴儿头顶骨未合处），止鼻血特别有效。（此条附于《唐本先附》）臣禹锡等人考证蜀本《图经》说：蓖麻是木本植物，叶子比大麻大数倍，种壳有刺，果实比巴豆大，青黄色带斑纹。夏季用茎、叶，秋季收种子，冬季采根，晒干。从胡地来的，茎和种子更大。各地都有。又说：叶子像葎草但浓密巨大。茎红，有节像甘蔗。日华子说：治疗水胀腹满。细研后用水送服，体壮者可服五粒。催生时，敷在产妇手足心，产后迅速擦去。疮痍疥癞也可研末外敷。
《图经》说：蓖麻子，旧籍不记载出产州郡，现在到处都有。夏季生苗，叶子像葎草但浓密巨大。茎红有节像甘蔗，高一丈左右。秋季开小花，随宜结实，壳上有刺，果实像巴豆，青黄褐色斑纹，形状像牛身上的蜱虫，所以得名。夏季采茎、叶，秋季采果实，冬季采根，晒干。从胡地来的，茎和种子更大。崔元亮《海上方》：治疗难产及胞衣不下，取蓖麻子七粒，研成膏状，涂在脚底心，胎儿及胞衣刚下来，就迅速洗去。不然肠子会脱出，就用此膏涂在头顶，肠子应当自行回纳。
雷公说：凡使用，不要用黑天赤痢子，因为它生长在藤蔓上，颗粒两头尖有毒。药中不用。蓖麻子，形状像巴豆，节节有黄黑斑点。凡使用必须先连皮用盐水煮半天，去皮取仁，研过后使用。《外台秘要》：治疗半身不遂，失音不语。取蓖麻子油一升，酒一斗，铜钵盛油，放入酒中一天，煮至酒、油熟透，服用。又一方：治疗水气。取蓖麻子去皮研烂，令熟水解得三合。清晨一顿服完，中午当下青黄色水。《千金方》：治疗岭南香港脚，从足至膝，小腿肿胀满痛，连骨头疼。蓖麻子叶切碎蒸薄包裹，二、三次更换即消退。《肘后方》：治疗一切毒肿疼痛不可忍受，捣蓖麻子敷之痊愈。又一方：治疗产难。取蓖麻子两粒，两手各持一粒，片刻胎儿即下。《经验后方》：治疗风疾导致的鼻塌。蓖麻不拘多少，去皮拍碎为二斤，用黄连等分捶碎，两件用水一处浸泡七宿后，空腹、日午、卧时只用浸液吞下一片，水尽随时添加勿令干。服用两个月后，吃大蒜猪肉试验。如果不发动，就是有效。若发动时，根据前法再服，直到不再发动。如果只腿胀，用针放出毒物，屡有神效。《修直秘旨》治疗小儿丹瘤。蓖麻子五个去皮研，入面一匙，水调涂之，甚效。杜壬治疗疠风，手指挛曲，节间痛不可忍，逐渐脱落。方：蓖麻一两去皮，黄连一两锉如豆，以小瓶子入水一升，同浸。春夏三日，秋冬五日后，取蓖麻子一枚擘破，面东以浸药水早晨一服。渐加至四、五枚，微利不妨。瓶中水少更添。忌动风食，累用得效。又方：治疗咽中疮肿。蓖麻子一枚去皮，朴硝一钱，同研，新汲水作一服，连进二、三服效。初虞世治疗汤火伤神妙。萆麻子、蛤粉等分末研膏。汤损用油调涂，火疮用水调涂。
《衍义》说：蓖麻子，成朵生长，从下旋旋开花而上，从下结子，宛如牛身之蜱。取子妙熟，去皮，烂嚼，临睡服三、二枚，渐加至十数枚。治疗瘰疬，必效。
Ricinus Communis Seed (Bimaizi)
Taste: Sweet, Pungent. Nature: Neutral. Toxicity: Slightly toxic. Indications: Primarily treats edema (Shuizheng). Preparation and Dosage: Grind twenty seeds with water and ingest; this induces vomiting of foul froth. The dosage may be increased to thirty seeds. Administration: Take once every three days; discontinue when cured. Additional Indications: Treats wind-deficiency cold-heat alternations, body sores and itching, edema, corpse-guanqi (Shizhu Eqi - a type of infectious disease associated with miasma), and evil qi. Application: Extract the oil and apply externally. Leaf indications: Treats Hong Kong Foot (Xianggangjiao - swelling and pain in the feet), wind-induced swelling with numbness. Preparation: Crush, steam, and apply hot as a compress.
*Bencao Tangben* notes: This is the variety cultivated by common people. The leaves resemble hemp leaves but are much larger. The seeds resemble ticks (Bi - sound "bei"), hence also called Bima. The variety imported from Hu regions (Western Regions) has red stems, grows over one zhang tall, and the seeds are as large as soap pod kernels, which is considered superior for use. Applying oil-soaked heated leaves to the fontanelle (Xin - sound "xin") effectively stops epistaxis. (This note was originally appended to *Bencao Tangben Xianfu*). Minister Yuxi et al. verified according to the Shu edition of *Tujing*: It is a tree. Leaves are several times larger than hemp. The seed shell has thorns. The fruit is larger than Croton seeds (Badou), yellow-green with spots. Summer: use stems and leaves. Autumn: harvest seeds. Winter: dig roots. Dry in the sun. The Hu-imported variety has even larger stems and seeds. It is found everywhere. Another description states: Leaves resemble Humulus lupulus (Lvcao) but are denser and larger. Stems are red with nodes like sugarcane. Rihua Zi states: Treats abdominal distension due to water accumulation. Grind finely and take with water. Robust adults may take five grains. For inducing labor, apply to the palms and soles of the mother; wipe off quickly after delivery. For sores, scabies, and leprosy, it can also be ground and applied externally.
*Tujing* states: Ricinus Communis Seed, old texts do not specify its origin provinces. Now it is available everywhere. Sprouts in summer. Leaves resemble Humulus lupulus but are dense and large. Stems are red with nodes like sugarcane, about one zhang high. Flowers small in autumn. Fruits form readily. Shells have thorns. Seeds resemble Badou, yellow-green with brown spots, shaped like cow ticks, hence the name. Summer: harvest stems and leaves. Autumn: harvest fruits. Winter: harvest roots. Dry in the sun. The Hu-imported variety has larger stems and seeds. Cui Yuanliang's *Haishang Fang*: Treats difficult labor and retained placenta. Take seven Ricinus Communis seeds, grind into a paste, apply to the sole of the foot. As soon as the fetus and placenta are delivered, wash off immediately. Otherwise, intestines may prolapse. In that case, apply this paste to the vertex; the intestines will likely retract spontaneously.
Leigong states: When processing, do not use "Heitian Chiliz" (Black Sky Red Dysentery Seed), as it grows on vines, has pointed ends at both poles, and is toxic. Do not use in medicine. Ricinus Communis seeds resemble Badou, with yellow-black spots along the segments. Processing method: First, boil whole seeds in salt water for half a day. Remove shells, take the kernel, and grind before use. *Waitai Miyao*: Treats hemiplegia and aphasia. Take one sheng of Ricinus Communis oil and one dou of wine. Place oil in a copper bowl, add wine, leave for one day, then boil until both wine and oil are cooked. Ingest. Another formula: Treats water qi (fluid retention). Peel Ricinus Communis seeds, grind thoroughly, and extract juice to obtain three he. Take all at once in the morning. By noon, green-yellow watery stool should pass. *Qianjin Fang*: Treats Hong Kong Foot in Lingnan, extending from foot to knee, with swollen and painful calves radiating to bones. Cut Ricinus Communis leaves, steam, wrap thinly around the affected area. Change two or three times, and swelling subsides. *Zhouhou Fang*: Treats all toxic swellings with unbearable pain. Crush Ricinus Communis seeds and apply externally for cure. Another formula: Treats dystocia. Take two Ricinus Communis seeds, hold one in each hand. The fetus will be delivered shortly. *Jingyan Houfang*: Treats nasal collapse due to wind disease. Take any amount of Ricinus Communis, remove shells, crush into two jin. Mix with equal parts of Coptis Chinensis (Huanglian), crushed. Soak both ingredients in water for seven nights. Swallow one piece using the soaking water on an empty stomach, at noon, and before bed. Refill water as needed to keep it from drying up. After two months of administration, test by consuming garlic and pork. If no reaction occurs, it is effective. If reactions occur, continue previous methods until reactions cease. For leg swelling only, puncture with a needle to release toxic matter; this has shown miraculous effects frequently. *Xiuzhi Mizhi*: Treats infant erysipelas (Danliu). Take five Ricinus Communis seeds, remove shells, grind. Add one spoonful of flour, mix with water, and apply. Very effective. Du Ren treats leprosy (Lifeng) with finger contracture and unbearable joint pain, leading to gradual loss of digits. Formula: One liang of peeled Ricinus Communis, one liang of Coptis Chinensis cut into bean-sized pieces. Put in a small bottle with one sheng of water, soak. Spring/Summer: 3 days. Autumn/Winter: 5 days. Then, take one cracked Ricinus Communis seed, face east, and ingest with the soaking water in the morning. Gradually increase to four or five seeds. Mild diarrhea is acceptable. Add water if the level drops. Avoid wind-inducing foods. Repeated use yields results. Another formula: Treats throat sores and swelling. One peeled Ricinus Communis seed, one qian of Mirabilite (Puxiao). Grind together. Take with fresh well water. Administer continuously for two or three doses for efficacy. Chu Yushi treats burns and scalds miraculously. Equal parts of Bimaizi (Ricinus Communis Seed) and Argo Shell Powder (Gefen) are ground into powder and made into a paste. For scalds, mix with oil and apply. For fire burns, mix with water and apply.
*Yanyi* states: Ricinus Communis seeds grow in clusters, flowering spirally from bottom to top, and fruiting from bottom to top, resembling ticks on a cow's body. Take fully ripe seeds, remove shells, chew thoroughly, and ingest two or three seeds before sleep. Gradually increase to ten or more seeds. Treats scrofula (Luoli); must be effective.