THE BROAD BEAN PLANT. 



3 



any time of year, yielding in a short time vigorous young 

 plants which serve admirably for practical work on plant 

 structure and plant physiology. Flowering and fruiting 

 plants can be obtained throughout the summer months ; in 

 winter one must, of course, use seedlings raised indoors. 



APEX OF 

 LEAFLET 



RUDIMENTARY 

 TENDRIL 



LEAFLET-- 



STANDARD 

 "WINGS 

 "AXIS OF INFLORESCENCE 



-STIPULE 



3TEM - 



Fig. 1. Part of a Broad Bean Plant 



The Broad Bean (Vicia faba) is distinguished from other 

 " Bean-plants " (French or Kidney Bean, Scarlet Runner) 

 by its erect mode of growth, its square stem, its leaves with 

 large stipules and from four to seven oval leaflets, its white 

 flowers with a black blotch on each lateral petal (Fig. 1). 



