A"eeembeVPi9um'}        Belladonna  and  Hyoscyamus. 
539 
weeks.  The  plants  were  then  put  into  three-inch  pots,  where  they 
were  held  until  transferred  to  the  garden,  early  in  May.  All  of  the 
plants  were  placed  in  a  plot  in  which  the  soil  was  composed  of  very 
rich  garden  loam.  A  late  spring  frost  injured  many  of  the  plants, 
but  they  soon  recovered  and  made  a  vigorous  growth  throughout  the 
summer.  Each  plant  produced  a  large  rosette  of  basal  leaves,  but 
not  a  single  plant  showed  any  tendency  to  develop  the  flowering  stalk. 
The  third,  fourth,  and  fifth  lots  of  seed  sown  in  the  spring  of 
Fig.  4. — Flowers  of  Hyoscyamus  niger,  annual. 
1913  were  freshly  imported  from  Germany  and  were  labeled  re- 
spectively as  follows :  Hyoscyamus  niger,  H.  albus,  and  H.  pictus. 
In  each  lot  germination  took  place  in  about  ten  days.  Seventy-five  to 
ninety  plants  from  each  lot  were  transferred  to  flats  as  soon  as  the 
second  pair  of  leaves  were  well  formed.  When  the  plants  became 
crowded  in  the  flats  they  were  placed  into  three-inch  pots.  The 
plants  grew  rapidly  and  many  had  produced  flowers  by  the  time 
they  were  planted  in  the  garden,  which  was  early  in  May.  Most  of 
the  plants  were  placed  in  pots  in  which  the  soil  was  quite  rich,  and 
