CASCARA SAGRADA. Rhamnus purshiana. N.O. Rhamnaceae.
Synonym : Sacred Bark, Chittem Bark.
Habitat : California and British Columbia.
Features : Bark in quills about three-quarter inch wide by one-sixteenth inch thick, furrowed longitudinally, purplish-brown in colour. Inner surface longitudinally striated, transversely wrinkled. Fracture pale brown, or dark brown when older. Persistently bitter taste, leather-like odour. Older bark is preferred, younger sometimes griping. Part used : Bark.
Action : Tonic laxative.
In habitual constipation due to sluggishness and atony of the lower bowel, and for digestive disorders , generally. Doses for chronic constipation, firstly to 1 teaspoonful at bedtime, afterwards 5-10 drops before each meal, of the fluid extract.
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