AFebSy,Pih9ir9m')       Plants  Used  as  Insecticides.  103 
Sambucus  canadensis  L.    Caprifoliacece.   American  Elder.   U.  S. 
A  decoction  made  by  pouring  boiling  water  over  the  leaves, 
flowers  or  berries  of  the  elder  is  recommended  as  a  wash  for  wounds 
to  prevent  injury  from  flies.  (Porcher.) 
Sambucus  nigra  L.   European  Elder.  Europe. 
The  leaves  of  the  English  elder  {Sambucus  nigra)  kill  several 
species  of  noxious  insects.  (Porcher.) 
"  It  is  said,  if  fruits  are  whipped  with  the  green  leaves  and 
branches  of  elder,  the  insects  will  not  attack  them."  (M.  Cutler, 
1785,  quoted  by  Greshoff,  1913.) 
Santolina  Cham^cyparissus  L.  Composite?.  Synonym :  Chamce- 
cyparissus  villosa  Mill.  Lavender  Cotton.  Mediterranean 
region. 
Listed  by  Greshoff  (1913)  as  an  insecticide. 
Sassafras  sassafras  (L.)  Karst.  Lauracece.  Synonyms:  Laurus 
Sassafras  L.,  Sassafras  officinale  Nees,  not  Sieb.,  Laurus  varii- 
folius  Salisb.  Sassafras;  Cinnamon-wood.  Eastern  U.  S. 
Bark  of  root  =  Sassafras  U.  S.  P. 
Bedsteads  made  of  it  are  never  infested  with  bugs.  (Porcher.) 
Riley  found  the  alcoholic  extract  from  the  dried  bark  of  the 
root  ineffective  against  cotton  worms  (Aletia). 
From  the  root  oil  of  sassafras  is  obtained,  which  is  an  insect 
repellant. 
Saussurea  Lappa  C.  B.  Clarke.  Composites.  Synonyms :  Aplo- 
taxis  Lappe  Decaisme,  Aucklandia  Costus  Falconer.  Costus 
Root ;  Cashmere.   North  Temperate  Zone. 
The  aromatic  root  of  this  tall  perennial  species  is  of  medicinal 
value.  ...  It  is  said  that  the  annual  export  has  been  as  much  as 
one  thousand  tons,  a  large  portion  used  for  incense,  further  as  an 
insecticide,  keeping  moths  from  cloth ;  the  leaves  for  the  same  reason 
being  used  as  emballage  for  shawls.  (De  Rinzi,  quoted  by  von 
Mueller.) 
Schkuhria  abrotanoides  Roth.    Composite.    Peru  to  Argentina. 
This  annual  herb  yields  locally  an  insecticidal  powder,  (von 
Mueller.) 
The  flowers  of  this  are  used  in  Peru  for  the  same  purpose  as 
insect  powder.  (Haas,  Pharm.  Centralhalle  fur  Deutschland,  neue 
folge,  Jahrgang  V,  No.  2,  January  10,  1884,  p.  19.) 
