Extract  of  Cas'sia.  Syn.  Exteactum  cas-
sia, L.     See  Cassia  Pulp.
Extract  of  Cat'echu.  Syn.  Exteactum
catechu,  L.  Fr^.  1.  From  decoction  of
catechu.
2.  (P.  Cod.)  From  the  infusion  in  boiling
water.  Astringent  and  tonic. — Dose,  5  to  25
gr.    See  Catechu.
Extract  of  Cel'andine.  Syn.  Exteactum
CHELIBONII,  L.  Frep.  1.  (Ph.  Bor.)  From
the  herb  (Chelidonium  majus),  as  alcoholic
exteact  op  aconite — Pli.  Bor. — Dose,  3  tu
10  gr.
2.  (A'an  Mons.)  From  the  expressed  juice,
coagulated  by  heat,  filtered,  and  evaporated,
towards  the  end  adding  the  coagulum. — Dose,
5  to  15  gr.,  or  more.  Used  as  a  drastic  hydra-
gogue  in  dropsies ;  and  in  scrofula,  &c.
Extract  of  Cen'taury.  Syn.  Exteactum
CENTAUEii,  L.  Extracts  under  this  name  are
prepared  from  '  American  centaury'  {Sabbatia
angnlaris),  and  common  centaury'  {Erythraa
Ceniaurium).  Frep.  1.  By  evaporating  the
decoction,  or  the  infusion  made  with  hot  water.
The  dose  and  properties  resemble  those  of  ex-
tract of  gentian.
2.  (Alcoholic ;  E.  c.  alcoholicum,  L.)  As
EXTEACT  OP  box  (see  above).
Extract  of  Cevadil"la.  Syn.  Alcoholic  ex-
teact OP  SABADILLA;  EXTEACTUM  SAEA-
DILLE,  L.  Frep.  (Dr  Turnbull.)  From
tincture  of  cevadilla  seeds,  made  with  recti-
fied spirit.  Employed  by  Dr  Turnbull  as  a
remedy  in  painful  rheumatic  and  neuralgic
aflfections,  and,  generally,  as  a  substitute  for
TEEATEIA. — Dose,  -J^  to  -J-  gr.  It  is  extremely
poisonous.
Extract  of  Cham'omile.  Syn.  Exteactum
ANTHEMIDIS  (Ph.  E.),  E.  A.  NOBILIS,  L.    Frep.
EXTRACT


691


By  evaporating  the  decoction  of  the  flonrers  to
the  proper  consistonce.
04*.  This  extract  contains  only  the  hitter
portion  of  the  chamomile,  the  aromatic  vola-
tile oil  being  dissipated  daring  the  evaporntiori.
