TRIANDRIA— MONOGYNIA. Scirpus. 57 



3. $. fluitans. Floating Club-rush, 



Stem branched, leafy, pliant and floating. Flower-stalks 

 alternate, naked. Spikes terminal, of few flowers. 



S. fluitans. Linn. Sp. PL 71. Willd. v. 1 . 295. Vahl Enum. v. 2. 



246. Fl.Br.5\. Engl. Bot.v. 3. £.216. Hook. Scot. 18. Don 



H. Br. 129. Schrad. Germ. v.\. 130. FL Dan. t. 1082. 

 S. equiseti capitulo minori. Raii Syn. 431. Scheuchz. Agr. 365. 



t.7.f.20. 

 Isolepis fluitans. Br. Pr. 221. 

 Gramen junceum clavatum minimum, seu Holosteuin palustre 



repens, foliis capitulis et seminibus psyllii. Moris, v. 3. 230. 



sect. 8. t. 10./. 31. Pluk. Phyt. t.3o.f. 1. 



In .ditches and ponds; as well as in pools upon grassy commons 



and heaths, occasionally dried up. 

 Perennial. June, July. 

 Stem zigzag, most slender in the lower part. Leaves awl-shaped, 



keeled, spreading at nearly a right angle with their sheaths ; 



those that are under water longest and almost capillary. Flower- 



stalks 2 or 3 inches long, compressed, contracted at the top. 



Spikes solitary, small, pale green, with obtuse glumes, and 



yellow anthers. Style short. Stigmas 2, long and feathery. 



Seed pale, round, with 3 angles, and a very small point - } no 



bristles underneath. 



* # Stem round, with several spikes. 



4. S. lacustns. Bull-rush. 



Stem round, naked. Panicle cymose, twice compound, 

 terminal. Spikes ovate. Bracteas generally much shorter 

 than the panicle. 



5. lacustris. Linn. Sp. PL 72. Willd. v. 1. 296. Vahl Enum. v. 2. 

 267. Fl.Br.52. Engl. Bot. v. 10. t.666. Hook. Lond. t.9l. 

 Scot. 18. Br. Pr. 223. Ehrh. Calam. 1 1 2. FL Dan. t. 1 1 42. 



S. palustris altissimus. Raii Syn. 428. Scheuchz. Agr. 354. 

 Juncus maximus, seu Scirpus. Bauh. Theatr. 178./. 



In clear ditches, ponds, and the borders of lakes and rivers. 



Perennial. July, August. 



Root thick, creeping. Stems 4 — 6 feet high, soft, spongy, smooth, 

 used for thatching, and especially for platted chair-bottoms. 

 Leaves at the base 1 or 2, short, with long sheaths. Panicle 

 various in luxuriance, or number of spikes, which are brown, 

 soft, half an inch long, with fringed, pointed glumes. Stam. 3, 

 flat. Stigm. 3, rarely but 2. Seed obovate, flat at one side, 

 keeled at the other, having 6 rough bristles at the base, and 

 ending in a very small brown point. 



