6 BULLETIN 205, IT. S. DEPARTMENT OF AGRICULTURE. 



gelatinous substance. The seeds are covered by minute tangled 

 processes which cause them to cohere in masses. The fruit ripens 

 in August. 



DISTRIBUTION. 



Frogbit is a local plant, especially in the northern part of its 

 range. It has been found at Braddock Bay, N. Y., Monmouth 



Fig. 3.— Frogbit. 



County, N. J., and in Delaware, but the normal range probably is 

 from North Carolina and Missouri southward. The range here 

 mapped (fig. 4) is not complete, since the plant has been found in 

 Mexico. 



PROPAGATION. 



Frogbit is extensively used in aquaria and water gardens, and 

 may be obtained from dealers in plants for such purposes. The 

 plants themselves should be set out in water a few inches deep over 

 a mucky bottom or in soft mud near the water's edge. 



