Fruits and Seeds. 22 1 



cases of this kind. Thus the seed of Martynia 

 diandra much resembles a beetle with long an- 

 tennae ; several species of Lupins have seeds much 

 like spiders, and those of a gourdlike plant,* mimic 

 a piece of dry twig. In the common castor oil 

 plants (fig. 89), though the resemblance is not so 



Fig. 88. Pod of BISERRULA. 



Fig. 89. Seed of CASTOR OIL PLANT. 



close, still at a first glance the seeds might readily 

 be taken for beetles or ticks. In many plants allied 

 to Euphorbia plants, as, for instance, in Jatropha 

 (fig. 90), the resemblance is even more striking. 

 The seeds have a central line resembling the space 

 between the elytra, or wing cases, dividing and 



* Dimorphochlamys. 



