134 



BOTANY. 



is external, the fifth internal, and the intermediate ones 

 successively overlap each other. 



lG. 404. 



FIG. 405. 



FIG. 406. 



The QUINCUNCIAL arrangement is seen in Fig, 403. 

 There are two exterior leaves, two interior, and one inter- 

 mediate. 



The VEXILLARY ar- 

 rangement (Fig. 404) 

 is a form of the quin- 

 cuncial, where one of 

 the petals, that ought 

 to be internal, has, by 

 rapid growth, become 

 larger than the others, 

 and external to them, so as to cover 

 them in. 



In the COCHLEAR arrangement, inequality of develop- 

 ment has produced the order seen in Fig. 405. 



We are reminded of the DECUSSATE arrangement of 



FIG. 407. 



FIG. 408. 



