DISPERSAL BY \VI\I). 



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 seeda by the wind. 



Typha Schuttleworthii. Eriophor:im aiiyutttfolium. 



A a ,, Ffnnahel Valeriana tri 

 l% 



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 ther 



