DISPERSAL BY WIND. 



857 



the style (with nut suspended below) slides out of the hole, around which the 

 perianth-lobes are connate, until its further progress is arrested by the button-like 



rig. 471.— Dispersion of fruits and seeds by th? wind. 



1 Seaecio vulgaris. 2 Adenium Bonghel. s YaleriaTUt triptens. * Typha Schuttlewwthii. 6 Eriophorum aiigusti/oUum. 

 ^ Cynanckufnfuscatuin. T Micromeria nervosa. ^ Sind ^ Taraxacum ojficmale. ^'^ Salix Myrsiiiites. 



stigma. The perianth here forms a beautiful parachute, with the nut hanging 

 freely below at the end of a string, like an enterprising balloon-gymnast. 



From the fruits and seeds equipped with parachutes we pass to those which are 

 embedded in masses of wool or in envelopes of silky hairs, and are thereby enabled 



