164 A COMPENDIUM OF 
all officinal ; it also enters into combination with 
compound extract of Sarsparilla, Sassafras is 
more used as an adjunct to other remedies than 
alone. The dose is from ¥% to x fluid drachm 
of the extract. The name is a corruption of the 
Spanish word “salsafras,” For further account, 
see the Dispensatory, 17 ed pager1205. Theoil 
will be mentioned under the head of « Volatile 
Oils.” 
Simaruba, Simaruba, Officinalis Simaruba 
Amara,—Natural order Simarubacez, com- 
monly known as the Mountain Damson, The 
Simaruba is a large tree found in Guiana, also 
in some of the West India islands; the leaves 
are alternate and pinnate, and the leaflets ovate 
in shape, but entire as to their edges, of a deep- 
green color, with long petioles ; flowers of a pale- 
yellow color; pistils and Stamens on separate 
flowers; calyx cup-shaped. The fruit in not un- 
like the damson (our native fruit) in appearance, 
hence the name. The bark of the root is the 
part used in medicine; this occurs in commerce 
in pieces of several feet in length and folded 
_ Upon themselves; externally it is of a light- 
brown color, but a shade or two lighter inter- 
resin, muctlage, quassin and a volatile ow, has 
€n given as a tonic and febrifuge and given in 
form of decoction as a substitute for the Quassia 
Excelsa, but inferior to the latter wood as a 
remedy; rarely, if ever, found in the stores of 
the present day, 
Imus, or Ulmi, Elm.—Natural order Ulma- 
cez from the Ulmus Fulva. European variety, 
