REED-MACE FAMILY 



505 



fruits resembling those of 6". neglectum, but smaller. — Ditches ; 

 common. — Fl. June — August. Perennial. 



4. S. ndtans (Floating Bur-reed).- — A weak, unbranched 

 floating plant, with very long, grass-green, flat, floating leaves 



SPARC AN7U.M KRECTi'M {Branched Bur-rced). 



several staminate heads ; and stalked, long-beaked fruits. — Lakes ; 

 rare. — Fl. August. Perennial. 



5. S. minimum (Least Bur-reed). — A more slender form, with 

 pale, pellucid leaves; i — 2 staminate heads ; and sessile, short- 

 beaked fruits. — Lakes and ditches ; more common. — Fl. July, 

 August. Perennial. 



