86 ELATINACE^E. 



1. FRANK^NIA (Sea- Heath). 



F. Icevis (Smooth Sea-Heath). Leaves narrow, rolled 

 back at the edges, smooth, fringed at the base ; flowers 

 terminal, or from the forks of the stem. A small pro- 

 cumbent plant, with wiry stems, crowded leaves, and 

 pale rose-coloured flowers, growing in muddy salt 

 marshes on the eastern coasts of England. Fl. July. 

 Perennial. 



* Another species, F. pulverulenta (Powdery Sea- 

 Heath), formerly grew on the sea-coast of Sussex, but is 

 now extinct. 



ORDER XIII. EL ATmACE^E.-- WATER- WORT TRIBE. 



Sepals 3 5, distinct, or growing together at the base ; 

 petals equal in number to the sepals ; stamens equalling, 

 or twice as many as the petals ; ovary with 3 5 cells, 

 and as many styles and globular stigmas ; capsule with 

 3 5 cells and valves ; seeds wrinkled, springing from 

 the centre of the capsule. Minute, annual, aquatic 

 herbs, with rooting stems and opposite leaves ; found 

 in most parts of the world. 



1. ELATIN^ (Water- wort). Sepals 3 4, growing 

 together at the base ; petals 3 4 ; stamens 3 4, or 

 6 8 ; styles 3 4-celled, many-seeded ; seeds cylin- 

 drical, furrowed, and transversely striated. (Name of 

 doubtful origin.) 



1. ELATIN (Water-wort). 



1. E. hexandra (Six-stamened Water- wort). Flowers 

 stalked ; petals 3 ; stamens 6 ; capsule 3-celled ; seeds 

 straight. A minute plant, forming turfy beds on the 

 margin of lakes, or growing entirely submersed. When 

 left by the subsiding water it assumes a bright red tue, 

 but the flowers are at all times inconspicuous. Rare. 

 Fl. July September. Annual. 



2. E. Hydropiper (Eight-stamened Water- wort). 



