The bark of different varieties of the genus Cinnamon. It contains tannic acid and a yellowish volatile oil, oleum cinnamomi. This has a fragrant and pleasant taste, and is used to mitigate that of disagreeable drugs. The preparations of cinnamon are used as carminatives.

Pulvis Aromaticus. Aromatic Powder

Is composed of cinnamon, ginger, cardamom, and nutmeg. It is given in an average dose of gr. xv.-I Gm.