III.] 



OTHER SPECIES OF GERANIUM. 



59 



raises itself into an upright position (Fig. 41, e] ; the 

 outer layers of the rod-like termination of the seed- 

 capsule come to be in a state of great tension, and 

 eventually detach the rpd with a jerk, and thus throw 

 the seed some little distance. Fig. 41, f, represents 

 the central rod after the seeds have been thrown. In 



Diagram, 



FIG. 42. Qerattiunt dissectmit. 



a, just befors throwing seed ; 6, just after throwing seed ; c, the capsule still attached 

 to the rod ; d, the seed. 



some species, as for instance in Geranium dissectum, 

 Fig. 42, the capsule-rod remains attached to the central 

 column and the seed only is ejected. 



It will, however, be remembered that the capsule is, 

 as already observed, a leaf folded on itself, with the 

 edges inwards, and in fact in the Geranium the seed- 



