Am.  Jour.  Pharm 
November,  1914 
nJ   The  Germination  of  Belladonna  Seed. 
485 
sizes  the  value  of  fall  sowing  in  case  direct  field  sowing  is  resorted 
to.  It  is  probable  that  the  influence  of  the  low  temperature  is  largely 
to  accelerate  germination  rather  than  to  induce  seeds  to  germinate 
Fig.  1. — Percentage  of  germination  of  frozen  and  unfrozen  seed  sown  on  April  13th. 
which  would  not  otherwise  do  so.  If  this  experiment  had  been 
carried  sufficiently  far  it  would  very  likely  have  been  found  that  the 
check  lot  would  eventually  show  a  percentage  of  germination  not 
much  less  than  that  of  the  frozen  lot. 
