62 Fresh Water Aquarium 



the leaves to drop and the plant to cease to 

 be attractive. 



White Water Crowfoot (Ranunculus aqua- 

 tilis) is found in slowly flowing streams and 

 stagnant waters. It grows fairly well in 

 the aquarium, where its finely divided leaves, 

 with their kidney-shaped outline, are quite 

 ornamental. The submerged leaves resem- 

 ble those of the Cabomba to some extent, 

 but the Ranunculus is much looser in growth. 

 As soon as the plant reaches the surface of 

 the water, the character of the leaves 

 changes to an irregularly-lobed bright 

 green form with a smooth glossy surface, 

 and the delicate white blossoms appear soon 

 after. 



Divaricated Crowfoot (Ranunculus divarica- 

 tus) is found in the same localities as the 

 Ranunculus aquatilis, but not quite so com- 

 monly. All the leaves are submerged, of 

 almost circular outline and very short 

 stemmed. The flowers are white and long- 

 stemmed and appear during the early sum- 



