THE VEGETABLE KINGDOM. 



503 



the plant at the bottom of the water. How are the 

 wedded pair to become united? Nature has foreseen all. 





-vi \ I -7-_ 





J^^^^li'^ '^'i' ' ^'^ 



43* *■ / 



256. Nuptials of the Spiral Yallisneria — VaUunerm s-pirali'^ (Linnams), 



When the moment has arrived the peduncles of the male 

 flowers break, these mount to the surface of the water, 



64 



