SMITHSONIAN  MISCELLANEOUS  COLLECTIONS 
VOLUME  96    NUMBER  2 
WAVE   LENGTHS   OF   RADIATION   IN  THE 
VISIBLE   SPECTRUM   PROMOTING   THE 
GERMINATION  OF  LIGHT-SENSITIVE 
LETTUCE  SEED 
(With  One  Plate) 
BY 
LEWIS  H.  FLINT 
Boyce  Thompson  Institute  for  Plant  Research,   Inc. 
AND 
E.  D.  Mc  A  LISTER 
Division  of  Radiation  and  Organisms, 
Smithsonian  Institution 
(Publication  3414) 
.    CITY  OF  WASHINGTON 
PUBLISHED  BY  THE  SMITHSONIAN  INSTITUTION 
JUNE  16,  1937 
