Am.  Jour.  Pharm. 
August,  1911. 
A  New  Ves:etahle  Adulterant. 
379 
those  of  kaniala  and  those  occurring-  on  the  leaves  of 
hamiamelis.  The  contents  may  be  nearly  colorless  or  con- 
sist  of   a   reddish-brown  tannin-like  substance.   There   are  also 
Fig.  I. 
Pericarp  of  fruit  of  Juglans  regia  :  A,  stomata  of  epicarp;  B,  cross-section  of  pericarp; 
showing  epidermis  {e) ,  cells  with  reddish-brown  contents  (c),  sclerotic  cells  (i),  parenchyma  (p), 
containing  protoplasm  and  starch  grains;  C,  mestome  strand  of  the  sarcocarp  showing  vessels 
iv),  libriform  (e),  leptome  (5),  parenchyma  containing  protoplasm  and  starch  Cp) ;  D,  non-gland- 
ular hairs  from  fthe  apical  and  basal  portions  of  fruit;  E,  glandular  hairs  from  base  of  fruit 
similar  to  those  found  in  large  numbers  on  the  surface  of  the  butternut  {Juglans  cmerea);  F, 
rosette-aggregates  resembling  the  membrane  crystals  of  Rosanoff ;  G,  sclerotic  cells  found  in  the 
powder;  /f,  fragment  of  non-glandular  hair;  A",  starch  grains  from  2  to  10  u  in  diameter;  L, 
tracheae  with  annular  markings;  M,  calcium  oxalate  crystals. 
present,  usually  at  the  base  of  the  fruit,  and  also  on  the  stems, 
when  these  are  present,  long-stalked  glandular  .hairs  (Fig.  E) 
similar  to  those  covering  the  fruit  of  Juglans  cincrea  (Butternut). 
