The rhizome of Triticum repens, gathered in the spring and deprived of the rootlets.

Characters. - Very long, but, as met with in the shops, cut into sections about two-fifths of an inch (1 centimetre) long, and about one-twelfth of an inch (2 millimetres) thick; creeping, smooth, hollow in the centre, straw-yellow, inodorous, and of a sweet taste.

Preparation.

dose.

Extractum Tritici Fluidum ...............................................

1 fl. dr. to 1 oz.

Uses. - It is used as a demulcent and diluent, more particularly in cystitis and irritation of the urinary passages.

It probably owes its diuretic effect to its sugar, and is best given in the form of an infusion or decoction, which may be freely used.