ORGANS OF REPRODUCTION. 117 



opening may take place so that while the cells continue 

 closed at the back, the partitions divide lengthwise into 

 two plates ', as in Irish heath, and laurel rose ; it may 

 take place so that the cells open at the back, while the 

 partitions continue undivided 2 , as in the lily and the 

 lilac; it may take place by the separation of the partitions 

 from the valves 3 , as in bindweed; it may take place 

 along the inner edge of a simple fruit 4 , as in the pea ; 

 it may take place cross ways 5 , as in pimpernel and 

 plantain ; it may take place by teeth, as in pinks ; by 

 pores or holes, as in poppy, toad flat, and bell flower ; 

 or by cross contractions, as in bird's foot. 



The seed vessel of a lychnis, opening at the top, by its valve 

 for the dispersion of seeds. 



(1) In Latin, Dehiscentia septicidalis. 



(2) In Latin, Dehiscentia loculicidalis. 



(3) In Latin, Dehiscentia septifragalis. 



(4) In Latin, Dehiscentia suturalis. 



(5) In Latin, Dehiscentia circumscissilis. 



