76 HEXANDRIA MONOGYNIA. [CI. 6. 



forked. Heads lateral and terminal, about five-flowered, some- 

 what whorled. Capsule obtuse, rather longer than the calyx. 

 Watery pi. If . 7, 8. Root simple, fibr. Stems decumb. or floating, 

 emitting roots. — A var. of the preceding. 



16. J. capitdtus, Suppl. 2644. (Dense-headed R.) Stem erect, un- 



branched. Leaves bristle-shaped, channelled. Heads one or 

 two, lateral and terminal. Stamens three. Calyx keeled, bristle- 

 pointed, twice as long as the capsule. 

 Jersey, rare. 0. 5 — 7. Stem 3 in. leafy at the base. Stigm. 3. 



17. J. biglumis, 13. 898. (Two-flowered R.) Stem erect, simple ; 

 leafy at the base. Leaves flat. Head solitary, of two unilateral 

 flowers, surmounted by a leafy bractea. 



About mount, rills, rare. If. 8. 3 in. Fl. 2, one above the other. 



18. J.triglumis, 13.899. (Three-flowered R.) Stem erect, simple ; 

 leafy at the lower part. Leaves flat. Head solitary, terminal, of 

 about three upright flowers, with elliptical bracteas. 



By alpine rivul. If. 7. Rather larger. Fl. 2 — 4, usually 3 ; all erect. 



19. J. castdneus, 13. 900. (Clustered Alpine R.) Stem simple, leafy. 



Leaves keeled, flat, sheathing at the base. Heads terminal, 

 mostly in pairs, many-flowered, with leafy bracteas. 

 Breadalbane Mts. If. 7. If. shining. F I. dark brown. Cal. half 

 the length of the caps. 



20. J. acutiflarus, J. articulatus, 4. 238. (Sharp-flowered Jointed R.) 



Leaves apparently jointed, slightly compressed. Panicle re- 

 peatedly compound, forked. Calyx-leaves ail bristle-pointed, 

 shorter than the taper beak of the capsule. 

 Wet woods. If. 6. L. hollow, with transverse partitions. Fl. small. 



21. J. lampocdrpus, 30. 2143. (Shining-fruited Jointed R.) Leaves 

 apparently jointed, compressed. Panicle erect, compound, forked. 

 Capsule ovate, coloured, highly polished, longer than the calyx. 



/3. panicles less branched. Heads of more numerous flowers. 



J. polycephalus, Don. E. Fl. J. nigritellus, Suppl. 2643. 

 Humid mead. If. 6, 7. Inner calyx-leaves bordered. Caps, large, 



varnished. 



22. J. obtusiflorus, 30. 2144. (Blunt-flowered Jointed R.) Stem and 

 leaves apparentlyjointed, cylindrical. Panicle repeatedly com- 

 pound ; branches divaricated and reflexed. Calyx obtuse, as long 

 as the capsule. 



Marshes. If. . 7, 8. Fl. smaller. Caps. obov. of a light, shining brown. 



199. LUCfOLA. Wood-rush, 



1. L. pilosa, Juncus pilosus, 11. 736. (Broad-leaved Hairy W.) Pa- 



nicle cymose, widely spreading, and reflexed. Flowers solitary. 

 Capsule pointless. Crest of the seeds hooked. 

 Groves and thickets. If . 3, 4. Stem 9 — 12 in. L. flat, fringed 

 with white hairs. 



2. L. Forsteri, J. Forsteri, 18. 1293. (Narrow-leaved Hairy W.) 



Panicle cymose, erect. Flowers solitary. Capsule pointed. 

 Crest of the seeds straight and obtuse. 



