Cyperaceae. 1 59 



ELEOCH'ARIS PALUS'TRIS (107). Creeping Spike-rush. 6—7. 

 (1523) Root creeping with many tufts of leaves and stems, fruit crowned 



with the flattened triangular base of the style, stigmas 2. Bogs and 



ditches. 



ELEOCH'ARIS PAUCIFLO'RA (84). Chocolate-headed Spike-rush. 

 (1526) Stems tufted round with narrow leafless sheaths, fruit triangular obovate 

 mucronate, bristles 3 — 6 barbed. Moorlands. 



Vl.—BLYSMUS. 



BLYS'MUS COMPRESS'US (51). Compressed Club-rush. 6—7. 



(1540) Stem 4—10 in. triangular, spikelets alternate imbricated on opposite 

 sides of the stem forming a flat terminal spike with a leafy bract, 

 leaves shorter than the stem keeled flat rough at the edges and keel. 

 Wet pastures and marshes. 



Vll.—SCIRPUS. 



Flowers perfect, glumes imbricated on all sides, spikelets many-flowered 

 in terminal or lateral clusters, bristles about 6 not longer than the glumes, 

 style not jointed at the base, fruit not swollen at the top. 



Stem leafless, S. lacustris. 



Stem leafy, 609 



609 Spikelets large brown, ..... S. maritimus. 



609 Spikelets small green, . . . . . S, sylvaticus. 



SCIR'PUS LACUS'TRIS (95). Bulrush. 7—8. Stem round 1—8 ft. 

 (1533- leafless spongy | in. diameter at the base, spikelets | in. numerous 

 1535) forming a dense terminal compound panicle. Marshes. 



SCIR'PUS SYLVAT'ICUS (70). Wood Club-rush. 7—8. Stem 

 (1539) I — 3 ft- leafy, leaves flat | in. broad keeled, spikelets small ovoid 

 green forming a highly compound terminal panicle. Moist woods. 



SCIR'PUS MARIT'IMUS {77). Sea Club-rush. 7—8. Stems 1—3 

 (1538) ft. tufted rigid leafy below, leaves \ in. broad channelled, spikelets 

 \ — I in. few brown in a corymbose cyme. Salt marshes. 



VIII. —RHYNCHOSPORA. 



Spikelets terete in terminal or axillary panicles or corymbs, glumes im- 

 bricate all round the axis, hypogynous bristles 6 or more shorter than the 

 glumes, fruit compressed terminated by the 2-cleft style. 



RHYNCHO'SPORA ALBA (75). White Beak-Sedge. 6—7. Stems 



(1548) 6 — 18 in. very slender tufted, leaves mostly radical subulate, spikelets 



white usually 1 -flowered, in small terminal corymbs, \ in. diam. Bogs. 



