BOTANIC MATERIA MEDICA. 185 
spectively, forming the mztrates of prlocarpine, 
hydrochlorate of pilocarpine, phosphate of pz/- 
ocarpine and hydrobromate of pilocarpine, also 
forming with acetic acid an acetate. The ni- 
trate has been used more frequently than any 
other of the compounds; the hydrochlorate is 
officinal. The active principles occur in soft 
viscous masses, whilst many of the compounds 
occur in acicular crystals. The medical prop- 
erties of Jaborandi are diaphoretic and siala- 
gogue, causing free perspiration and excessive 
salivation; the effects are evinced a few minutes 
after the administration of the drug; the com- 
pounds are usually given hypodermically; the 
dose of the hydrochlorate is one-eighth of a grain 
(0.008 grams). The fluid extract of the leaves 
‘is recognized as officinal and given in doses of 
30 to 60 drops (2 to 4 grams); said to be of great 
value in the early stages of Bright’s disease of 
the kidneys, For further account see U. S. 
Dispensatory. : 
- Prunus Laurocerasus, Cherry Laurel.— 
‘Natural order Rosaceze or Amygdalez. This 
small evergreen perennial tree is a native of 
southern Europe; attains a height of 15 or 20 
feet, and is adorned with handsome shining 
green leaves, sharply serrated and oblong or 
oblong-lanceolate in shape, which are mounted 
on very short petioles; odor almond-like, with 
an aromatic bitter taste; they contain /annzn, 
“sugar, gum, emulsin, and volatile oil. By mac- 
erating the leaves in water they yield acid hy- 
drocyamic, Their medical properties are seda- 
tive: the leaves are used in the form of a water 
distilled for the use of the druggist, which prep- 
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