CANADA TURPENTINE SOS 



Habitat, — Southern Europe, mountainous regions. 



Properties. — Hard, yet taking gradually the form of the 

 vessel in which it is kept ; brittle, with a shining, conohoidal 

 fracture ; opaque or translucent ; reddish-brown or yellowish- 

 brown; odor agreeably terebinthinate ; taste aromatic, 

 sweetish, not bitter. It is almost entirely soluble in glacial 

 acetic acid, or in boiling alcohol, and partly soluble in cold 

 alcohol. 



Constituents. — 1, resin ; 2, a volatile oil (OuHu). 



Dose.—R. & C, gi.-iii. (30.-90.); Sh. & Sw., 3i.-ii. (4.-8.); 

 D., gr.xx.-xl. (1.3-2.6). 



PREPARATION. 



Emplastrum Picis. Pitch Plaster. (B. P.) 



Tebebinthina Canadensis. Canada Turpentine. 

 (U. S. & B. P.) 



A liquid oleoresin obtained from Abies balsamea (Linne), 

 Miller (nat. ord. Coniferse). 



Synonym. — Canada balsam, balsam of fir, balsamum 

 Canadense, E. ; baume de Canada, Fr. ; Canadischer terpen- 

 tin, G. 



Habitat. — Canada and N. United States ; west to Minne- 

 sota, south on mountains to Virginia. 



Properties. — A yellowish or faintly greenish, transparent, 

 viscid liquid, of an agreeable terebinthinate odor, and a 

 bitterish, slightly acrid taste. When exposed to the air it 

 gradually dries, forming a transparent mass. It is completely 

 soluble in alcohol, chloroform or benzol. 



Constittients. — 1, volatile oil, 20-30 per cent.; 2, a resin; 

 3, a soluble bitter principle. 



Dose.—B.. & C, |i.-iii. (30.-90.); Sh. & Sw., 3i.-ii (4.-8.); 

 D., gr.xx.-xl. (1.3-2.6). 



ACTION AND USES OP BDEGUNDX .PITCH AND CANADA TURPENTINE. 



Burgundy pitch is slightly stimulating to the skin and 

 is used as a mild counter-irritant (in plaster) in rheumatism, 



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