HENBANE — HENNA — HOLLY. 75 



itself or combined with other herbs. The infusion of 

 i ounce to a pint of water is taken in wineglassful 

 doses four or five times a day. 



Preparation — Fluid extract: Dose, £-1 drachm. 



HENBANE. Hyoscyamus niger. 



Part used — Leaves. 



Action — Anodyne, narcotic, mydriatic. Principally 

 employed in irritable conditions and nervous affections. 

 Also used in asthma, whooping cough, &c, as a sedative 

 and as a substitute for Opium, where this is inadmissible, 

 as in children's complaints. 



Preparations — Powdered leaves : Dose, 2-10 grains. 

 Fluid extract : Dose, 2-10 drops. Tincture B.P. : Dose, 

 £-1 drachm. Solid extract : Dose, 2-8 grains. 



HENNA. Lawsonla alba. 



Synonym — Henne, Alhenna. 



Part used — Leaves. 



Action — Astringent. The Indian natives ascribe 

 wonderful properties to this plant, and use it in head- 

 ache, smallpox, and leprosy, &c. Its greatest use is as 

 a dye to the nails of hands and feet, and in Europe for 

 the hair. 



HOLLY. Ilex aquifolium. 



Synonym — Holm, Hulm, Hulver Bush. 

 Part used — Leaves, berries. 



Action — Febrifuge, cathartic. The leaves have been 

 used in fevers and rheumatism, the berries in dropsy. 



