Am  jour,  pharm.  |       Plants  Used  as  Insecticides. 
February,  1919-  } 
97 
Heads  of  this  exert  a  similar  effect  on  insects  as  pyrethrum. 
(Gieseler,  Proc.  Am.  Pharm.  Assoc.,  Vol.  10,  1862,  p.  112.) 
Chamomile  flowers,  if  pulverized  when  dried,  and  perfectly  fresh, 
have  a  somewhat  similar  effect  on  the  oriental  cockroach  as  pyre- 
thrum.   (Glover,  Rept.  U.  S.  Commissioner  Agr.,  1874,  p.  133.) 
Chamomile  powder  is  inert  toward  roaches.  (Hirschsohn, 
Pharm.  Zeitschrift  fur  Russland,  Vol.  29,  No.  14,  April  8,  1890,  p. 
203.) 
Matricaria  inodora  L. 
The  flowers  have  a  benumbing  effect  on  flies,  acting  in  1  to  2 
hours.  (Kalbruner.) 
Matricaria  Matricarioides  (Less)  Porter. 
In  California  M.  Matricaroides  seems  to  serve  similarly  medic- 
inal purposes,    (von  Mueller.) 
Melanthium  virginicum  L.  Melanthacece.  Common  Bunch- 
flower.    Eastern  U.  S.  , 
These  bunchflowers  have  long  been  used  to  poison  flies.  (Pam- 
mel.) 
Root  used  as  a.  fly  poison.  (Lyons.) 
Melia  Azadirachta  L.  Meliacece.  Azadirachta  Indica  Juss., 
Azadarach  deleteria  Medic.  Nin  Tree.  East  Indies.  Source  of 
Assam  or  Bengalore  gum. 
Furniture  from  its  wood  is  not  attacked  by  insects.  (von 
Mueller.) 
Melia  Azedarach  L.  Synonyms :  Azedarach  Commelini  Medic., 
Azedarach  odoratum  Noronha.  Pride  of  India.  China  to  India. 
Cult,  in  Florida. 
The  leaves  are  insecticidal.    (von  Mueller  and  Lyons.) 
A  poultice  of  the  flowers  is  said  to  kill  lice.    (Watt,  quoted  by 
Greshoff.) 
Peach  trees  shaded  by  this  tree  are  never  infested  by  the  aphis. 
(Porcher.) 
The  leaves  and  berries  of  the  Pride  of  India,  packed  with  dried 
fruits,  will  preserve  them  from  insects,  and  will  prevent  moths  in 
clothes.  .  .  .  The  wood  is  beautifully  grained,  .  .  .  never  being  in- 
jured by  worms.  (Porcher.) 
A  solution  or  decoction  made  with  the  berries  of  the  Pride  of 
India  (to  a  half  bushel  of  the  berries  put  into  a  barrel  add  fifteen 
