1881, 



on Fruits and Seeds. 



613 



protected by more or loss hanl or bitter envelopes, for instance the 

 Horse Chestnut, Bcecli, Spanish Chestnut, Walnut, itc. That these 

 seeds are used as food by squirrels and other animals is, however, by 

 no means necessarily an evil to the plant, for the result is that tliey 

 are often carried some distance and then dropped, or stored up and 



Fig. 14. 



a, burdock (Laj^pa); b, agrimony (^Agrimonia) ; c, bur parsley (^Caucalis) ; d, enchanter's 

 nightshade Icirccea); e, cleavers (^Galium)',/, forget-me-not (Myosotis'). 



forgotten, so that in this way they get carried away from the parent 

 tree. 



In another class of instances animals, unconsciously or un- 

 willingly, serve in the dispersion of seeds. These cases may be 



2 u 2 



