SEDGE FAMILY 



525 



obovate, 3-angled, with tapering point. — In wet mud : common. — 

 Fl. July, August. Perennial. 



2. .S'. ccBSpilosus (Deer's-hair). — A similar ^ species, with the 

 stem .covered at the base for i or 2 in. with imbricate sheaths, the 

 outer brown, the inner green, with narrow leafy tips i to 2 lines 

 long ; spikelet ovoid, brown, i — ^ in. long ; outer bract as long as 

 the spikelet, green, stiff; fluwers 6 — 8; perianth-bristles 4 — 6; 

 style 3-cleft ; nut brown, obovate, 



pointed. — l'>ogs ; common. — Fl. 

 June — August. Perennial. 



3. S. nanus (Dwarf Club-rush). — 

 A minute plant, with long, creeping, 

 hair-like rhizome with small tubers 

 and distant, dense tufts, each of 

 several round, grooved stems, i— 2 

 in. high, each with a close-pressed, 

 transparent sheath ; spikelet minute, 

 pale ; outer bract short, blunt, flower- 

 less ; perianth of 4 — 8 bristles ; )/;// 

 obovate, 3-anglcd, pale. — Sandy 

 sea-shores in the south ; rare. — Fl. 

 July. Annual. 



** Spil^elets small, lateral, sessile, 

 clustered., or sometimes solitary ; 

 perianth absent 



4. S. fliiitans (Floating Mud- 

 rush). — A slender floating plant, 

 rooting from its lower nodes and 

 much branched in a zigzag manner; 

 /eaves linear, very slender, i — 2 in. 

 long ; spikelet solitary, terminal, 

 ovate, pale ; outer bracts 2, shorter 

 than the spikelet enclosing it ; 

 flowers few ; stigmas 2 ; nut obovate, 

 smooth, pointed, pale. — Ditches ; 

 common. — Fl. June, July. Perennial. 



5. 5. filiformis (Savi's !Mud-rush). — A slender, tufted plant, 3 — 

 10 in. high, with i or 2 narrow, channelled le'aves ; spikelets 1 — 

 3, sometimes an inch long; outer bracts not longer than the 

 .spikelet ; stigmas 3 ; fruit sub-globose, 3-angled, pale, shining, 

 rough, with lines of minute raised points. — Bogs : rare. — Fl, July. 

 Perennial. 



6. 5". setdceus (Bristle-like llud-rush;. — A very similar, but 



^^CIRITS SET.\CEr? 

 (B?-istlc-likc Mud-rush). 



