to the.who,anian;ht beianiedt,&c.>f thelamel,Bau-iouflyxpec-n hy-ful in. eva-! In

■rono-

pr

• vul-e de

:

ftomcon->rice.

ingistura-

lirds.

ag anonly,

to

The Materia Medica.

55

to be boiled in the fame quantity, and the dofe to be repeat-ed at {horter intervals.

Serpentaria Virginia-

na,Virginian Snake-root.

Sevum ovillum,

Mutton-juet.

Simarouba,Simarouba,

the Bark.

Ariftolochia Serpenta-ria, L. S. P.

Quaffia Simarouba,L. Suppl. P.

This bark, taken both from the trank and root of a tree grow-ing in Guiana, isbrought to us in long pieces, of a yellowifhwhite colour, light, tough, (flexible, Ph. Dan.) and of afibrous texture,—of a ftrong, durable, bitter, tafle, not ve-ry ungrateful, '■ — without fmell, and wi'thout any manifeft af-tringency. (L. M. M.) Its want of aftringency is con-firmed by its not turning black with vitriolated iron. (Mur-ray Afp. Med. yd, page 462.) The bark of the root is ef-teemed the beft, (Bancroft's Hifl. of Guiana. Murray ib.)which is dlftinguifhed by the veftiges of fibres cat ofF. (Ph.Dan.) Rejeft that which is old, woody, of a dark colour,(ib.) and but flightly bitter. (Murray, yd, p. 460.) Ma-cerated in water, or fpirit of wine, it quickly impregnatesboth menftrua with it:, bitternefs, arid a yellow tincture. Itsvirtues ftem more perfectly extracted by cold than boilingwater, the cold infufion being rather ftronger in tafte than

E 4. the