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 



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



1 Senecio vulgaris. 2 Adenium Honghel. 3 Valeriana tripteris. * Typha SchuttlewchrtMi. s Eriophorum aiigiusti/uUum. 

 6 Cynanchum fuscatum. ? Micromeria nervosa. 8 and 9 Taraxacum oßcinale. lo Salix Myrsiniles. 



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 



