68 TIUANDRIA MONOGYNIA. [CL. III. 



10. ELEO'CHARIS. SPIKE-HI 



Calyx a chaff-scale. Corolla none. Spikes imbricated all 

 round. Filaments hair-like. Anthers linear. Germen com- 

 pressed. Style enlarged at the base, united to the germen by a 

 narrow joint. Seed triangular, crowned by the permanent style. 

 Named from elos, a marsh, and chairo, to rejoice. 26. 



1. E. palui'tris. Common Spike-rush. Steins round; stigmas two; 



seed flattened. Roots fibrous : stems many together, erect, smooth, 



from six inches to a foot and a half high : sheaths at the base two or 

 three, the upper long, close, and green, the others brown : no leaves : 

 spike egg-shaped or oblong, acute, reddish-brown. Perennial : flowers 

 in June and July : grows in ditches, rivulets, and marshy ground, and 

 at the edges of pools and lakes : abundant. Eng. Bot. vol. ii. pi. 131. 

 Eng. Ft. vol. i. p. 64. 88. 



2. E. multicaulis. Munu-stalked Spike-rush. Stems round ; stigmas 



three ; seed acutely triangular. Root fibrous : stems numerous, 



smooth, spreading, eight or ten inches high : spikes smaller and more 

 slender than in the last. Perennial : flowers in July : grows in wet 

 moors. This seems to be merely a variety of the last. Eng. Bot. vol. 

 xvii. pi. 1187. Eng. Fl. vol. i. p. 64. JBrit. Fl. p. 29. 89. 



3. E. aciculdris. Least Spike-rush. Stem four-cornered ; stigmas 



three. Roots creeping, fibrous, thread-like : stems thread-like, about 



three inches high : leaves none, the parts usually considered as such 

 being sterile stems: spike very small, narrow, elliptical, brownish. Pe- 

 rennial : flowers in July and August: grows by the sides of lakes, and 

 in wet places on moors. Eng. Bot. vol. ii. pi. 749. Eng. Fl. vol. i. 

 p. 65. 90. 



11. ERIO'PHORUM. COTTON-GRASS. 



Calyx a flat membranous chaff-scale. Corolla none. Spike im- 

 bricated all round. Filaments hair-like; anthers linear, protruded, 

 pendulous. Germen inversely egg-shaped. Style thread-shaped ; 

 stigmas three, longer than the style, reflected. Seed three-cornered, 

 tapering to a point, furnished at the base with very long, soft, silky 

 hairs. Name from erion, wool, and phero, to bear. 27. 



* Spike single. 



1. E. vaginitum. Hare's-tail Cotton-grass. Stem triangular above, 



round below ; uppermost sheath inflated ; spike egg-shaped. Root 



creeping : stems jointed, smooth, about a foot high : leaves channelled, 

 'heathing : spike large, egg-shaped, pointed, blackish, with mem- 

 oranous scales : hairs numerous, long, white, and shining. Perennial : 

 flowers in March and April : grows on heaths and iu boggy places : 

 common. Eng. Bot. vol. xiii. pi. 873. Eng. Fl. vol. i. p. 66. 91. 



2. E. capitdtum. Round-headed Cotton-grass. Stem round in its 



whole length ; uppermost sheath inflated ; spike roundish. Root 



creeping : stems jointed, smooth, about eight inches high : leaves thicker 

 than in the last : chaff-scales smaller, but firmer, brown : hairs much 

 shorter. Perennial: flowers in July and August : grows in heaths in high 

 situations: very rare. Ben Lawers. G. l)on. Eng. Bot. vol. zxxiv. 

 pi. 2387. Eng. Fl. vol. i. p. 67. 92. 



