Am.  jour.  Pharm.j    Coriaria  myrtifolia  as  an  Adulterant.  cfr-i 
August,  1 918.    }  j     j  O^o 
line,  with  thickened  walls  and  occasionally  distinct  pores,  with  the 
exception  of  the  stomata  and  the  neighboring  cells  which  are  more 
Fig.  9.   Stomata  and  Surface  Cells,  leaf  of  Coriaria  myrtifolia. 
or  less  rounded  in  outline  and  the  neighbor  cells  are  strongly  marked 
or  striped  perpendicularly  to  the  stomata.  The  surface  is  entirely 
free  from  hairs  or  glands  of  any  kind.  The  stomata  are  possibly 
more  numerous  on  the  lower  surface.    The  cross  section  showed  a 
Fig.  10.  Cross  section  leaf  of  Coriaria  myrtifolia,  X  300.  e,  dermal 
layer ;  c,  oxalate  crystals ;  m,  mesophyll ;  p,  palisade  tissue ;  v,  vascular  tissue 
of  mid  rib. 
