Senna
in botany, various species of cassia. The leaf of C. elongata constitutes Tinnevelly senna. Other Indian species furnishing the drug are C. Obovata, C. Lanceolata, and C. absus. Alexandrian or Nubian senna is the leaf of C. lanceolata and C. obovata. It is often adulterated, accidentally or intentionally, Solenostemma argel, which is bitter and cens), as other kinds sometimes are with with the bladder senna (Colutea arborescens), as other kinds sometimes are with Solenostemma argel, which is bitter and irritating. Tripoli senna is from C. æthiopica; and that of Chile from Myoschilos oblongus. A confection, a compound mixture, a tincture, and a syrup of senna are employed in pharmacy. 705