138 



SALICACE.E 



97- POPULUS. WHITE POPLAR. AMERICAN ASPEN. The bark of Pop'ulus 

 tremuloi'des Michaux. Tonic and febrifuge. Its active principle, populin, 

 is analogous to the salicin of salix (96). Dose of fl'ext. : 30 to 60 ITJJ (2 to 4 

 mils). 



98. POPULUS BALSAMIFERA. BALM OF GILEAD BUDS. The buds of Pop'ulus 

 balsamif'era Linne, variety candicans Gray. Populi Gemmae (Balsam Poplar 

 buds, Balm of Gilead buds, N.P.). Habitat: Northern North America and 

 Siberia. These buds, as well as those of other species of Populus, are covered 

 with a resinous exudation which is impregnated with a fragrant volatile oil, 

 and is very similar in medicinal action to the turpentine oleoresins. Dose of 

 fl'ext.: 30 to 60 Tin (2 to 4 mils). 



FIG. 57. Salix alba Branch. 



MYRICACEJE. Sweet-gale Family 



99. MYRICA, N.F. BAYBERRY BARK. WAX MYRTLE. The bark of Myri'ca 

 ceri'fera Linn6, an indigenous plant growing on seashores, the fruit of which 

 is covered with a layer of white vegetable wax. This bark is occasionally 

 used in medicine as a tonic, and as an astringent gargle in. sore throat, etc. 

 Dose of fl'ext.: 15 to 30 TIR (i to 2 mils). 



100. COMPTONIA. SWEET FERN. The leaves of Compto'nia asplenifo'lia 



Aiton, an indigenous herb. They are linear-lanceolate, with deep, alternate, 

 rounded lobes, and have a spicy odor, especially when rubbed. Stimulant 

 and astringent. Dose: 15 to 30 gr. (i to 2 Gm.). 



