310 



GROWTH OF PLANTS 



Figure 126. A, Gladiolus plants flowering under internuttent light. The two plants 

 at left are from the control greenhouse without light. B, Picardy and Giant Nymph 

 gladiolus. Left: two plants grown in control greenhouse; right: two plants grown with 

 intermittent light. C, Same plants as B showing new corms forming only on those 

 plants in short day or control greenhouse which do not flower. D, Carnations on Jan- 

 uary 28. Left: control greenhouse; right: greenhouse with intermittent hght. 



