<5L 



Fig. \2Q.—0INK00 BILOBA. 



a, spray with young leaves and stamen catkins ; 6, c, male catkin ; in c the lower stamens are 

 transformed into small leaflets ; d, shoot with leaf and two ripe fruits ; e, young fruit and unfertilized 

 ovule ; /, stone of fruit in two aspects. 



544 



