462 
Belladonna  and  Scopolia. 
(Am.  Jour.  Pharm. 
\  October, 
Fig.  3.  Scopolia  Herb:  A,  pvxis  about  natural  size;  B,  surface  section  of  lower  epidermis 
of  leaf;  C,  transverse  section  of  leaf  through  a  vein  showing  irregular  epidermal  cells  of  lower 
surface  (e) ,  collenchymatous  cells  (c) ,  fibrovascular  bundle  (v) ,  loose  parenchyma  (m),  palisade 
cells  (p)  and  upper  epidermis  (e) ;  D,  portion  of  fibrovascular  bundle  of  stem  showing  tracheae 
with  reticulate  markings  (r),  tracheae  with  simple  pores  (p),  and  tracheae  with  annular  mark- 
ings (5);  E,  epidermal  cells  of  lower  surface  of  leaf  having  foldings  due  to  the  irregularity  of 
the  outer  walls;  H,  glandular  hairs,  which  are  occasionally  found;  K,  cryptocrystalline  crystals 
of  calcium  oxalate. 
