Fruits 



141 



The siliqua and silicula are found in the Cruciferae or 

 mustard family. They are made of two carpels joined by 

 their edges where the seeds are borne. A partition, or replum, 

 grows up from below and divides the fruit into two chambers. 

 When ripe the two carpels split apart from the bottom upward, 



Fig. 154. — i'ulliclcb oi Aiclt'J>iaii. 



leaving their edges with the seeds surrounding the replum. 

 If the fruit is several times longer than broad it is a siliqua ; 

 if it is about as long as broad it is a silicula. In some of the 

 Heliophilas the siliquas are prettily constricted so that they 

 look like a string of beads. If the fruit splits across at each 

 narrow place, as it does in some fruits of this family and in 

 Hedysaritm of the bean family, it is called a lomentum. 



Some fruits have more than one chamber when made of 

 several carpels that have grown together. They are then said 



