324 



BOTANY OF CROP PLANTS 



acteristic (Fig. 131). It is perfect and regular with four 

 sepals, four petals, six stamens (two short and four long), 

 and a two-celled ovary. The four sepals are entirely dis- 



FlG. 132. — Common garden radish (Raphanus sativus). In flower, on 

 right- and in fruit, on left. Note the characteristic racemose inflorescence 

 with flowers at the apex and fruit at the base. 



tinct, but often overlapping; the two outer are narrow, and 

 the two inner may be narrow also, but often are distinguished 

 from the outer by being concave or saccate at the base; they 



