86 CRAMP BARK CRANESBILL. 



but becomes green on drying; it is dilated near the 

 throat, where it is folded and spotted with yellowish 

 orange. The corolla is five-lobed and about inch in 

 width. Taste, sweetish. Odour, recalling that of apricots. 



CRAMP BARK. Viburnum Opulus, Linn. 



N.O. C*prifotiacui. 



Syn. High Cranberry, Guelder Rose, Snowball Tree. 

 Part used Bark. 



Action Antispasmodic, nervine. As its name im- 

 plies, it is very effectual in cases of cramp, convulsions, 

 and spasms of all kinds, and is held in high esteem by 

 all who employ it. It is chiefly used in combination as 

 a tincture (see Antispasmodic Tincture), but may be 

 given as a decoction by using ounce in i pint of water. 

 Dose, a tablespoonful to a wineglassful as required. 



Preparations Fluid extract : Dose, J-2 drachms. 

 Viburnin: Dose, 1-3 grains. 



Distinctive character Bark thin, ^- T V inch thick, 

 in curved pieces, greyish brown externally, with scattered 

 brownish warts (lenticels), faintly cracked longitudinally, 

 inner surface pale brown, laminate. Fracture tough, 

 with flat splinters. Taste, bitterish, slightly astringent. 



CRANESBILL. Geranium maculatum, Linn. 



N.O. Gevaniacece. 

 Syn. Crowfoot, Alum root. 



Parts used Root, herb. 



Action Styptic, astringent, tonic. The root possesses 

 the greater astringency. The infusion of i ounce of herb 

 in a pint of boiling water is useful in infantile cholera, 

 diarrhrea, &c. Adult dose, a wineglassful as required. 

 The fluid extract of the root may be used to stop internal 

 or external bleeding. It has a tonic and astringent 

 action on the kidneys. An injection for leucorrhcea 



