28 Order POALES 
3. Eleocharis palustris (L.) R. & S. 
Common in wet ground throughout the state. Arabia; Lincoln; Red 
Cloud; St. Paul; Springview; Thedford. 
3a. Eleocharis palustris var. glaucescens (Wild.) A. Gray. 
Common in wet places all over the state. Anselmo; Arabia; Bassett; 
Bordeaux; Crawford; Ewing; Long Pine; Natick; Pauline. 
4. Eleocharis acicularis (L.) R. & S. 
In wet places throughout the state. Anselmo; Bellevue; Deuel 
county; Lincoln; Lodge Pole creek; Louisville; Minden; Nebraska 
City. 
5. Eleocharis acuminata (Muhl.) Nees. 
In wet places, mostly in the western part of the state. Arabia; 
Ewing; Kennedy; Long Pine; Minden; Valentine. 
4. Stenophyllus. 173. 
1. Stenophyllus capillaris (L.) Britton. 
In moist soil over most of the state, not common. Atkinson; Ewing; 
Minden. 
5. Fimbristylis. 173. 
1. Fimbristylis interior Britton. 
In wet soil over most of the state. Franklin; along Horse creek in 
Scotts Bluff county; Newark; Scotia Junction; Valentine. 
6. Scirpus. 174. 
Club-rushes. 
Involucre of a single bract or wanting. 
Spikelets few, 1 to 12, appearing lateral. 
Culm terete, bristles none; annuals. 1. S. hallii. 
Culm sharply triangular, bristles 2-4; perennials with root- 
stocks. 2. S. americanus. 
Spikelets numerous, umbellate. 
Achene 2 mm. long, nearly equalling the scale. 3. S. validus. 
Achene 2.5-3 mm. long, much exceeded by the scale. 
4. S. occidentalis. 
Involucre of two or more bracts. 
Spikelets large, 1-5 cm. long, 5-10 mm. thick. 
Achene lenticular; spikelets capitate. 5. S. paludosus. 
Achene sharply triangular; spikelets umbellate. 6. S. fluviatilis. 
Spikelets small, 2-15 mm. long, 1-3 mm. thick. 
Scales dark brown, one-third longer than achene. 
7. S. atrovirens. 
Seales light brown, twice as long as the achene. 8. S. pallidus. 
1. Scirpus hallii A. Gray. 
Not common. Holt county; Kennedy. 
2. Scirpus americanus Pers. 
Common in the western part of the state, halophytic and does well 
in alkaline pools. Anselmo; Aten: Broken Bow; Franklin; Hack- 
berry Springs in Banner county; Hat Creek basin; Louisville; Red 
Cloud; Thedford. 
3. Scirpus validus Vahl. Great Bulrush. 
Common in marshes. Broken Bow; Cherry county; Lincoln; Nebraska 
City; Newcastle; Scotts Bluff county; Thedford; Valentine; Wahoo. 
