REED-JIACE FA^tlLY 



5°5 



fruits resembling those of S. neglectum, but smaller.— Ditches : 

 common. — Fl. June — August. Perennial. 



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

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



several staminatc heads : and stalked, long-beaked friiils. — Lakes ; 

 rare. — Fl. August. Perennial. 



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

 pale, pellucid leeives : i — 2 staminate heads: and sessile, short- 

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

 August. Perennial. 



