LOTUSES, WATER HYACINTHS 165 



is with the cabomba {C. Caroliniana). This 

 makes luxuriant green plumes, growing in 

 great bunches one to two feet long. It is 

 hardy in two feet of water at Philadelphia, 

 and grows wild near Washington, D. C. 

 It is the commonest plant sold for aquaria. 



The bladderworts are also beautiful for 

 under-water effects, especially the purple 

 one {Utricularia purpurea). It grows in big 

 loose tufts, extremely soft and fine. Each 

 leaf bears a number of tiny bladders which 

 catch small insects for the nourishment of 

 the plant. The common bladderwort {U . 

 vulgaris) and the inflated bladderwort 

 (U. inflata) float freely in the water, usually 

 near or at the surface. They have yellow 

 flowers. All the aquatic bladderworts re- 

 quire very still water, in both summer or 

 winter. 



FOR BORDERING PONDS 



A good foliage plant for the border and 

 for the decoration of vases and aquaria is 



