JO Fresh Water Aquarium 



merged ground, it forms a dense, short, 

 grass-like plant and flowers like all other 

 members of this large genus. 



Water Milfoil or Thousand-leaf (Myriophyl- 

 litiii heterophyllum) is a native of the north- 

 ern United States, where it is found in ponds. 

 It is an exceedingly graceful plant with very 

 finely divided, featherv leaves which sur- 

 round the stem in whorls of from three to 

 five. It is a hardy aquarium plant and gen- 

 erates plenty of oxygen. It grows well in 

 gravel and is satisfied with a moderate 

 amount of light. It is easily propagated 

 from the ends of the rapidly growing stems, 

 which, when cut off and placed in the bottom 

 gravel of the aquarium, will soon root and 

 often grow so fast that a thinning out may 

 be necessary. It grows well during the win- 

 ter, but should not be planted in dense 

 bunches. 



Pinnate-leaved Thousand-leaf (Myriopliyllum 

 pinnatum) is a native of the southern states 

 where it is found in ponds or slow-flowing 



