CLASS III. ORDER l] SCIRPUS. 49 



2. aS. Holoschoe'nus, Linn. (Fig. '69.) round cluster-headed Club- 

 rusk. Spikelets in compact globular stalked or sessile lateral 

 heads, bristles none, stem erect, round, and smooth, leaves subu- 

 late channelled. 



English Botany, t. 1612,— English Flora, vol. i. p. 58.— Hooker, 

 British Flora, vol. i. p. 28. — Holschce'nm vulga'ris, landley. Synopsis, 

 p. 283. 



Root in dense brown liifts. Stem two or three feet high, erect, round, 

 smooth, enveloped at the base with membranous pointed sheaths. 

 Leaves narrow, short, acute, and channelled. Heads oi flowers very 

 various in number, stalked or sessile, generally both on the same plant. 

 Glumes obovate, keeled, pointed, and fringed, of an opaque brown 

 colour. ^Stewiejw as long or longer than the three-cleft style. Fruit 

 small, without bristles. 



Habitat. — Sandy sea-shores of the southern counties, — Devonshire, 

 Dorsetshire, Hampshire, Somersetshire, &c. Very rare. 



Perennial ; flowering in September. 



3. S. seta'ceus, Linn. (Fig. 70.) bristle-stalked Club-rush. Spikelets 

 terminal, one or two, rarely more, stem very slender, compressed, 

 terminating in a leafy bractea, elongated beyond the spikelets, 

 fruit ovate, ribbed, and marked with transverse furrows, without 

 bristles at the base. 



English Botany, t. 1693. — English Flora, vol. i. p. 59. -Hooker, 

 British Flora, vol. i. p. 28.— Isole'pis sfm'cea, Lindley, Synopsis, p. 283. 



Roots long and fibrous. Stem from two to six inches high, very 

 slender, compressed, smooth, striated, bearing one, two, or sometimes 

 three spikelets at its extremity, and two or three leaves at the base. 

 Bractea sometimes two, but generally only one, which is an apparent 

 continuation of the stem, leafy, dilated at the base, with membranous 

 edges. Leaves numerous, bristle-shaped, striated, sheathing at the base, 

 and surrounded with a number of pinkish scales. Spikelets ovate. 

 Glumes nearly round, pinkish brown, margins green, as well as the 

 keel. Stamens two, about as long as the style. Stigmas three. Fruit 

 slightly pointed, ovate, ribbed, and beautifully marked with transverse 

 furrows. Bristles none. 



Habitat. — Common in moist places, in sandy or gravelly situations, 

 especially in an elevated or hilly country. 



Annual ; flowering in July and August. 



^4. S. Sa'vii, Spreng. (Fig. 71.) SavVs Club-rush. Spikelets sessile, 



terminal, from one to three, involucre of two unequal leaves, 



longer than the spikelets, stem round, branched, and leafy below, 



fruit subglobose, indistinctly three-angled, roughish. 



Hooker, in English Botany, Supplement, t. 2782.— British Flora, 



vol. i. p. 28. 



