SEDGE FAMILY. CYPERACEAE.
Fig 26. [Yellow Nut-Grass. Cyperus esculentus] L.
![[Yellow Nut-Grass. Cyperus esculentus]](#1525880611323293367_fig-026.jpg.id-2132270975474246583.wrap-0.html.html){kind=link}
Yellow Nut-Grass. Cyperus esculentus L. This is a species of sedge, and so far as I have examined, produces no seeds, perhaps having lost that method of reproduction, as it acquired the habit of spreading by tubers here illustrated. In moist soil, sometimes a troublesome weed.
Fig 27. [Ovoid Spike-rush. Eleocharis ovata] (Roth.) R. & S.
![[Ovoid Spike-rush. Eleocharis ovata]](#1525880611323293367_fig-027.jpg.id-8309842588751101851.wrap-0.html.html){kind=link}
Ovoid Spike-rush. Eleocharis ovata (Roth.) R. & S. Spike ovoid, 4–10 mm. long, achene pale to chestnut brown, shining, obovate-oblong, compressed, about 1 mm. long, bearing a triangular tubercle at the apex, and six to eight barbed bristles, 1.3–1.7 mm. long, very variable. Not troublesome except in low land.