268  Preparations  of  Calendula.  {^i™l;Slrra' 
The  greater  stability  will  recompense  for  the  increase  in  time 
necessary  for  completion. 
Samples  prepared  by  the  writer  over  a  year  ago  and  exposed  to 
the  temperature  of  the  past  summer  give  no  evidence  of  precipita- 
tion or  decomposition. 
SYRUPUS  RHEI.     SYRUP  OF  RHUBARB. 
Fluid  extract  of  rhubarb  .  .  '  100  c.c. 
Spirit  of  cinnamon   4   "  4 
Potassium  carbonate   10  grammes. 
Sugar  750 
Water,  a  sufficient  quantity  to  make  1000  c.c. 
Mix  the  spirit  of  cinnamon  with  the  fluid  extract  of  rhubarb  and 
add  375  c.c.  of  water,  in  which  the  potassium  carbonate  was  pre- 
viously dissolved. 
Allow  the  mixture  to  stand  for  two  hours,  with  occasional  agi- 
tation. 
Filter,  and  when  the  liquid  has  drained,  pass  a  sufficient  quantity 
of  water  through  the  filter  to  bring  the  measure  to  475  c.c. 
In  this  dissolve  the  sugar  by  agitation  without  heat  and  strain. 
Finally,  add  a  sufficient  quantity  of  water  to  make  the  syrup  meas- 
ure 1,000  c.c. 
SOME  NEW  PREPARATIONS  OF  CALENDULA. 
By  George  M.  Beringer. 
Although  calendula  is  official,  it  has  not  received  very  extensive 
use.  Nor  do  the  dispensatories  look  upon  marigold  as  possessing 
any  special  remedial  value,  the  tincture  being  referred  to  as  "  prob- 
ably of  as  much  value  as  simple  alcohol." 
The  drug  has,  however,  met  with  more  favor  in  homeopathy,  and 
several  preparations  are  quite  popular.  Recent  indications  point 
to  the  fact  that  physicians  of  the  old  school  are  beginning  to 
test  it. 
The  fluid  extract  and  tincture  are  the  preparations  heretofore 
used,  and  the  latter  is  displacing  tincture  of  arnica  for  local  appli- 
cation. In  dental  practice  it  is  likewise  displacing  tincture  of  myrrh 
and  seems  to  be  preferable  for  a  mouth-wash. 
The  florets  carefully  dried  and  finely  pulverized  have  been  used 
as  an  absorbent  and  healing  application  to  chafed  surfaces,  and 
