NO.    6  GROWTH    OF    AVENA    COLEOPTILE JOHNSTON  IQ 
Van  Overbeek,  J. 
1935-    The  growth  hormone  and  the  dwarf  type  of  growth  in  corn.    Proc. 
Nat.  Acad.  Sci.,  vol.  21,  pp.  292-299. 
1936  a.    Growth  hormone  and  mesocotyl  growth.    Rec.   Trav.   Bot.   Neer- 
landais,  vol.  33,  pp.  333-340. 
1936  b.    Growth  substance  curvatures  of  Avcna  in  light  and  dark.    Journ. 
Gen.  Physiol.,  vol.  20,  no.  2,  pp.  283-309. 
Went,  F.  W. 
1926.    Concerning    the    difference    in    sensibility    of    the    tip    and  base  of 
Avena  to  light.  Proc.  Kon.  Akad.  Wetensch.  Amsterdam,  vol.  29, 
pp.  185-191. 
