346 



BOTANY OF CROP PLANTS 



nodes. The leaves are compound and odd-pinnate (Fig. 

 145); the terminal segment is larger than the laterals, all of 



Fig. 



-Horse-radish (Radicula armoracia). A, basal leaf; B, fruit; C, 

 cauline leaves and inflorescence. 



which are slightly wavy on the margin and of a dark green 

 color. The white flowers are in terminal racemes; the petals 

 are twice as long as the sepals. The sihques (Fig. 145) are 



