CHAKACTERS OF CRUCIFERS. 



valves burst away, carry- 

 ing the seeds with them. 

 In some cases the pods 

 end in a sharp point 

 called the leak, as in char- 

 lock ; and if you have 

 ever seen the white salad 

 mustard when it has run 

 to seed, you must have 

 noticed the sword-shaped 

 beak in which the pod 

 ends. There are no seeds 

 in these beaks." 



" I think I shall always 

 know one of these cross- 

 bearing plants when I 

 see it," saicL Mary. 



" A %hirtl mark, which 

 may help you," said her 

 father, " is this ; most 

 flowers have two little 

 leaves called bracts, very 

 different from all the 

 other leaves, and situated 

 a little below the blos- 



AttY CARDAMINE. (C. 



