564 
North  American  Coniferce. 
Am.  Jour.  Pharm. 
October,  1896. 
were  observed  in  the  bark,  although  it  is  possible  theyjmay  appear 
in  the  outer  bast  of  older  stems. 
The  leaves  arejcompactly  arranged,  mostly  appearing  two-ranked, 
Fig.  5/. — Cross-section  of  leaf  of  Abies  Nordmanniana,  magnified  about  60 
diameters,  xy,  xylem  of  one  of  the  two  bundles  enclosed  by  the  endodermis, 
en;  ep,  epidermis;  hy,  hypoderma ;  sec.  r.,  resin  passage;  sty  stoma. 
about  1  inch  long  and  inch  wide,  contracted  at  the  base  and 
notched  at  the  apex,  leathery,  dark  green  and  glossy  above,  and 
with  a  prominent  mid-rib  bordered  on  either  side  by  a  silvery  band 
