ecg ; Ne a 
oe PY 7 01% Aw 
“‘SIMAR UBER. 
ompact. The wood and bark are of a light yellow colour; 
in the former a transverse section shows numerous fine, close, 
medullary rays, which intersect well marked, irregular, con-_ 
_ centricrings. The centre of the stem is Geeupied by a cylinder 
of pith—in short, in appearance and taste the drug bears 
4 “a close resemblance to quassia, 4 
_ Under the microscope a transverse section of the bark 
‘exhibits an outer layer of brown suber, within which are two 
‘or three rows of empty transparent cells, followed by 8 to 10 — 
rows of cells containing chlorophyll; ieee are succeeded by 
the liber tissue, which is divided into layers by about six rows 4 
of yellow stone cells. Lastly comes the cambium layer. me 
~The medullary rays consist of about 15 vertical layers of 
cells; the single layers contain from one to five rows of cells. 
The tissue of the bark contains resinous deposits and crystals 
f oxalate of lime, which are so numerous towards the exterior — 5 
paca that they produce opaque patches, visible to the naked F 
q iption 
Sioa by Pocklington (Pharm. Jn. (3) V.; 321, 1, Ye ee 
eee p- ite that we think it unnecessary to reproduce the 4 
if Sontains a aeyetallinable principle, probably quantile B*. 
scing, bitter, resin-like principle, and at least one other — 
n-crystallizable, bitter, resinous body, probably the uncrystal- 
zabl " quassiin of Adrin and Mordeaux. There are several 
?. quassioides obtained by us amounted to only 1:7 : 
nog watery solution of ordinary quassia woo 
; “y a eal fluorescence, _ especially if 
aon an to Fi 
