BOTANIC MATERIA MEDICA. 133 
resembles in general appearance the common 
ash of our forests. The leaves are pinnate, 
with an odd one at the extremity; leaflets op- 
posite and in pairs. The flowers are of a green- 
ish-yellow color, 5-sepalled and have 5 petals, 
which are exceedingly small; stamens 5; styles 
triangularin shape, with simple stigmas. Quas- 
sia, as found in commerce, is in various sized 
pieces, fromthesmallchipstologs. That found 
in the stores is in small chips, white in color, 
inclining to yellow; tough, dense, and intensely 
bitter to the taste. Quassia contains pectin, 
muctlage, resin, and an active principle called 
guassin, Quassia is a tonic and febrifuge, and 
used in form of infusion, extract, fluid extract, 
and tincture, the three latter preparations being 
recognized as officinal. The dose of the extract, 
¥% to 1 grain (0.03 to 0.06 centigrams); of the 
fluid extract, % to 1 drachm (2 to 4 grams); of 
the tincture, 1 drachm (4 grams). The infusion 
is made by macerating 1 or 2 drachms of the 
chips in a pint of cold water, the dose of which 
is a tablespoonful. 
Santalum Album, Sandal-wood.—Natural 
order Santalacez. Said to be anative of India, 
but also found growing in the Fiji Islands and 
Australia, according to the best authority on the 
subject. The leaves of the tree are entire; 
calyx 4 or 5-cleft; the tube coherent, with 1- 
celled ovary, which has from 2z to 4 ovules; 
flowers usually in cymes or clusters, and vary in 
color. Likered saunders, it is imported in small 
logs or billets; as it occurs in the stores, it is in 
the state of a coarse powder, quite heavy and of 
a yellowish color; odor pleasantly aromatic, and 
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