AVp°ru?if9hrm-}  On-  the  Veraimm  Alkaloids.  199 
concentrated  H2S04  and  sugar  causing  the  play  of  colors  yellow, 
dark  green,  blue  and  finally  violet  is  not  obtained  with  veratroidine. 
Both  of  these  bodies  evaporated  with  zinc  chloride  solution  (1  :  30) 
give  a  red  color.  Veratroidine  in  its  reactions  and  solubilities  closely 
resembles  veratralbine  and  cevadine. 
Alkaloid  obtained  in  rhombic  crystals  (Pseudojervine  ?) — Purified 
by  recrystallization  from  strong  alcohol,  the  yield  was  only  0  006 
per  cent.;  dried  at  no°  C,  it  was  found  to  agree  to  the  formula 
C29H49N012  (by  same  determinations  as  under  veratroidine).  Dried 
at  ioo°C,  it  is  soluble  in  4-1  parts  chloroform,  in  101  parts  80  per 
cent,  alcohol,  in  184  parts  absolute  alcohol,  in  372  parts  benzol,  in 
1,021  parts  absolute  ether  and  in  10,876  parts  petroleum  ether;  by 
evaporating  these  solutions  rhombic  crystals  were  obtained,  except- 
ing the  chloroform  solution  which  gave  concentrically  arranged 
needles.  It  melts  at  259-1°  C  and  is  optically  inactive.  No  color 
reactions  could  be  obtained  with  this  base,  but  if  the  minutest 
quantity  of  veratroidine  or  jervine  is  added,  color  reactions  agree- 
ing with  Wright  and  Luff's  pseudojervine  are  gotten.  The 
hydrochlorate  C29H49N012HC1  and  the  sulphate  (C29H49N012)2  H2S04 
are  easily  soluble  in  water,  alcohol  and  ether,  differing  from  the 
base  itself. 
Jervine. — Purified  by  recrystallization  from  absolute  alcohol  it 
forms  snow-white  crystalline  needles;  dried  at  100°  C.  it  has  the 
formula  C14H22N02  (determined  by  ultimate  analysis,  and  by  the 
determination  of  chlorine  in  the  hydrochlorate,  and  of  sulphuric 
acid  in  the  sulphate.)  Pure  jervine  dried  at  ioo°  C.  is  soluble 
in  16  S  parts  absolute  alcohol,  in  60-5  parts  chloroform,  in  180 
parts  80  per  cent,  alcohol,  in  268-4  parts  absolute  ether,  in  1658  7 
parts  benzol,  difficultly  soluble  in  water,  acetic  ether  and  carbon 
disulphide,  and  insoluble  in  petroleum  ether;- from  all  of  its  solu- 
tions it  is  obtained  in  well  formed  needles.  Jervine  melts  at 
237-7°  C.  and  is  slightly  laevogyre.  Color  reactions:  It  differs  from 
veratroidine  especially  in  the  first  two  tests;  concentrated  HC1  dis- 
solves it  without  color,  gradually  becomes  red  'and  upon  boiling 
dirty  yellow ;  concentrated  H2SO,  and  sugar  give  a  pretty  violet, 
changing  to  blue,  the  depth  of  color  depends  upon  the  quantity  ot 
jervine  taken  (this  test  resembles  that  for  veratrine);  evaporated 
with  fuming  HNO.^  on  a  water-bath  and  adding  to  the  residue  alco- 
holic KOH  a  dark  yellow  color  is  obtained  (veratrine  gives  violet 
