14 TRIANDRIA MONOGYN1A. [CI. 3. 



Moist, past. Little Chelsea, now extinct. 0.9. B. fibr. Stems 

 several, smooth and pliant. 6 in. 



25. SClRPUS. Club-rush, and Bull-rush. 



* Spikes solitary. 



1. S. ccespitosus, 15. 1029. (Scaly-stalked C.) Stem round, striated ; 



sheathed and invested with numerous scales at the base. Spike 

 terminal. Outer glumes largest, with leafy points. 

 Turfy heaths. If. . 7. Ste?ns erect. Spike small, reddish brown. 



2. S.pauciftorus, 16. 1122. (Chocolate-headed C.) Stem round, 



with a tight leafless sheath at the base. Spike terminal, of few 



flowers, longer than its blunt, membranous-tipped outer glumes. 



Moist, mount. If . 8. Stems slender. Spike with about 4Jiowers. 



3. S. fluitans, 3. 216. (Floating C.) Stem branched, leafy, pliant 



and floating. Flower-stalks alternate, naked. Spikes terminal, 

 of few flowers. 

 Ditches, and moist heaths, y. . 8. Stems zigzag, very slender, 

 2 — 3 in. Sp. small. 



** Stem round, with several spikes. 



4. S. lacustris, 10. 666. (Bull-rush.) Stem round, naked. Panicle 



cymose, twice compound, terminal. Spikes ovate. Bracteas 

 shorter than the panicle. 

 Clear ponds. If. 7. Stem 4 — 6f dark green, simple, without leaves. 



5. S. glaucus, 33. 2321. (Glaucous C.) Stem round, naked, glaucous. 



Panicle cymose, not higher than the bractea. Spikes ovate, 

 conglomerate. Stigmas two. 

 Salt marshes. If. 7, 8. Stem 2 f. Pan. less compound. 



6. S. Holoschcenus, 23. 1612. (Round-cluster-headed C.) Stem 



round, naked. Spikes numerous, in globular, sessile, or stalked 

 heads. Bracteas 2, unequal, leafy. Leaves channelled. Seeds 

 without bristles. 

 Sandy sea-shores, rare. If. 8 — 11. Stem Sf. 



7. S. setdceus, 24. 1693. (Bristle-stalked C.) Stem compressed, 



with one or two leaves at the base. Spikes about 2, terminal. 

 General bractea erect, leafy, much shorter than the stem. Seed 

 ribbed, obovate and marked with transverse lines. Bristles none. 

 Moist gravelly places, frequent. If. 7, 8. Tufted, 2 — 5 inches 

 high. Stam. 2. Stigmas 3. 



7. S. Sdvii, Suppl. 2782. (Savi's C.) Stem round, leafy below. 



Spikes 1 — 3, terminal, shorter than the unequally 2-leaved 

 involucre. Seed subglobose, rough with slightly elevated points, 

 bristles none. 

 Bogs, Irel. and W. of Engl, and Scotl. If. 7. Similar in habit 

 to the last, but fruit quite different. Stam. 3. 



8. S. caricinus, Schoenus compressus, 11. 791. (Compressed CO 



Stem roundish, leafy at the base. Spikes aggregate, two- 



