158 Cyperaceae. 



\V.—ERIOPHOR UM. 



Tufted grass-like plants, spikelets terminal or lateral, glumes imbricated 

 all round the stem, flowers perfect, bristles many at length much longer 

 than the spikelets assuming the form of long silky hair, stamens i — 3, 

 stigmas 2 — 3. 



Spikelets solitary terminal, E. vaginatum. 



Spikelets many lateral, E. polystachyon. 



ERIOPH'ORUM VAGINA'TUM (89). Hare's-tail Cotton-grass. 



(1543) 4 — 5. Stems many tufted 6—10 in. triangular above round below 

 with I or 2 inflated leafless sheaths above the middle, leaves filiform 

 triangular short, spikelets terminal ovate many-flowered. Boggy 

 moors. 



ERIOPH'ORUM POLYSTA'CHYON (109). Common Cotton-grass. 



(1544) 5 — 6, Stem 6 — 15 in. rigid slightly triangular, leaves chiefly radical 



(1545) smooth flat triangular at the tip, spikelets 4 — 12 in lateral corymbose, 

 cymes drooping with 2 — 3 bracts. Bogs. 



V.—ELEOCHARIS. 



Tufted grass-like plants, spikelets many-flowered solitary terminal, 

 glumes many imbricated on all sides, bristles 3—6 not longer than the glumes, 

 stamens 3, style jointed at the base, stigmas 3. 



Plants under 6 inches high, 606 



Plants 6 — 12 inches high, 607 



606 Stem round, E. csespitosa. 



606 Stem quadrangular, E. acicularis. 



607 Root creeping, 608 



607 Root with one tuft of leaves and stems not creeping, . E. multicaulis. 

 608 Fruit swollen at the top, .... E. palustris. 



608 Fruit beaked — not swollen at the topj . . E. pauciflora. 



ELEOCH'ARIS CiESPITO'SA (loi). Deer's Hair. 6—7. Stems 

 (1527) densely tufted wiry, bristles 4 — 6 smooth, fruit obovoid triangular 

 acuminate. Heaths and moors. 



ELEOCH'ARIS ACICULA'RIS (64). Least Spike-rush. 7—8. 

 (1522) Stems many very slender 2—8 in., bristles i — 3, fruit triangular 



ribbed crowned with the almost globose base of the style. Sandy 



margins of pools. 



ELEOCH'ARIS MULTICAU'LIS (77). Many-stalked Spike-rush. 

 (1525) 6 — 7. Root hardly creeping with one tuft of leaves and stems 6—12 



in. high, fruit triangular crowned by the triangular base of the style. 



Marshes and pools. 



