MYRRH

is a gum-resin, which occurs in tears of different sizes; they are reddish-brown, semi-transparent, brittle, of a shining fracture, appear as if greasy under the pestle, they have a very acrid and bitter taste, and a strong, not disagreeable, smell. Myrrh flows from the incisions of a tree not well known, which grows in Arabia and Aby in i a, supposed to be a species of amyris or mimosa . It consists of resin and gum in proportions stated by Pelletier at 31 of the former and 66 of the latter; but by Bra con not, at 23 and 77. It is used only in medicine. n.