BURS 



443 



A curious case of distribution of this kind occurred in the 

 island of Ternate, in the Malay Archipelago. A buffalo with his 



c 



FIG. 343. Three fruits adapted for dispersal by the shaking action of 



the wind 



A, celandine; Z>, pea; (', jimson weed (Datura). After Decaisne 



A 



FIG. 344. Burs 



A, sticktights; B, sticktights, two segments (magnified); C, burdock; 



D, cockleburs. After Kerner 



