18 TRIAN13. — MONOG. 



Stigmas 3. Style swelling at the base. Fruit with 5 — C bristles 

 at the base. 



3. Sc. paluslris [Marsh Club-rush), culm rounded, sheaths at 

 the base leafless, spike oblongo-ovate naked, glumes nearly 

 equal in size, stigmas 2. Lightf. p. h7 . E. B. t. 131. 



/3. minor, smaller, spikes fewer-flowered, glumes deeper brown. 

 S. multicmdis, E. B. t. 11S7. 



Hab. Ditches and marshy places, frequent. /3. Isle of Skye, Mr. 

 Mackaij. Various parts of Scotland, G.Don. FL .July. % . 



Culms many from the same root, 6 — 12 inches high. No leaves at all. 

 Spike many-flowered, brownish, margin scariose, 2 outer ones ste- 

 rile, obtuse, inner ones more acute. Fruit crowned with the swell- 

 ing base of the stigma, which constitutes, in conjunction with the 

 almost constant presence of its bristles at its base, the genus Eleo- 

 charisoi Mr. Brown. Bristles 4 — 5 around the fruit. 



4. Sc. acicularis {least Club-rush), culm compressed grooved, 

 sheaths leafless, spike ovate acute naked (no involucrum), 

 glumes acuminate, stigmas 3, fruit without bristles. Lightf. 

 p. 88. E. B. t. 749. 



Hab. Sides of lochs, even under water, and marshy places ; about a 

 mile N. W. from Laswade, Dr. Parsons in Light/. Lochleven, and 

 Loch W. of Dunning, Mr. Arnott. Loch of Clunie and Stormont 

 Loch, Rev. Mr. M' Richie. Ft. July, Aug. 1/ . 



The most slender and delicate of all the club-rushes. Culms 3 — 4 

 inches high, setaceous or capillary, tufted, often without flowers. 

 Spikes small, pale brown, with a broad green nerve. Fruit oblong, 

 beautifully impressed with points in lines, tipped with the sphuerical 

 base of the style. 



tt Cubns branched. 



5. Sc. Jluitans (floating Club-rush), culm rounded leafy flaccid, 

 spikes ovate naked (no involucrum), glumes rather obtuse, 

 stigmas 2, fruit destitute of bristles. Lightf. p. 88. £. B. 

 t. 216. Lolepisfluitaiis, Br. Pr. Fl. Nov. Holl. 



Hab. Pools and ditches ; Loch, l.sle of Rum, Lightf. Braid Hill 

 marshes and Revelrig Toll Moss, Mr. Arnott. Fl. July. % . 



Stems 6 — 10 inches in height, much branched, slender, jointed. Leaves 

 linear, short, floating, sheathing, and thus concealing the whole 

 stem. Peduncles, or rather the fertile branches of the culm, ter- 

 minal and lateral. Spike small, few, 3 — 4 flowers. Glumes green- 

 ish, with a scariose whitish margin. Fruit without bristles, and 

 no incrassated base to the style, articulated as it were on the 

 germen : hence the Isolepis of Brown. 



** Sp'ikelets many. 

 t Culms rounded. 



6. Sc. lacustris {Bull-rush), upper sheaths leafy, cyme termi- 

 nal twice compound, involucrum 2-Ieaved. Lightf. p. 88. 

 E. B. t. 666. 



|S. glaucuSf smaller and glaucous. S. glauais,E. B. t. 2321. 



