54 Order POALES 
First scale % as long as the second, scabrous keeled. 
6. S. cryptandrus. 
Empty scales about equal. 
Rootstock present; leaves 2 mm. wide or more. 
7. S. asperifolius. 
Rootstock wanting; leaves less than 2 mm. wide. 
8. S. confusus. 
1. Sporobolus asper (Michx.) Kunth. 
Throughout the state. Kennedy; Lincoln; Valentine. 
2. Sporobolus vagineflorus (Torr.) Wood. 
Common in waste places except in the extreme west. Atkinson; 
Bellevue; Carns; Hardy; Lancaster; Lincoln; Long Pine; Minden. 
3. Sporebolus neglectus Nash. 
Over most of the state. Callaway; Long Pine; Valentine. 
4. Sporobolus heterolepis A. Gray. 
In the eastern part of the state, not common. Anselmo; Atkinson; 
Ewing; Lincoln. 
5. Sporobolus airoides Torr. 
In prairies in the western part of the state. Alliance; Box Butte 
county; North Platte; Sheridan county. 
6. Sporobolus cryptandrus (Torr.) A. Gray. 
Common in sandy soil all over the state. Anselmo; Box Butte 
county; Brunswick; Cherry county; Culbertson; Republican City; 
Scotts Bluff county; Thedford; Valley county; Verdigris creek. 
7. Sporobolus asperifolius Nees & Meyen. 
In the western part of the state. Box Butte county; Hitchcock 
county; Kearney; Simeon; Rushville. 
8. Sporobolus confusus Vasey. 
Scotts Bluff county. 
6. Phleum. 102. 
1. Phleum pratense L. Timothy. 
Cultivated for hay and often escapes. Long Pine; Lincoln; Sioux 
county; Thedford; Valentine. 
7. Alopecurus. 102. 
1. Alopecurus aristulatus Michx. Water Fox-taii. 
Common in wet places throughout the state. Box Butte county; 
Deuel county; Halsey; Lincoln; Long Pine; Minden; Rushville; Scotts 
Bluff county; Thedford. 
8. Polypogon. 107. 
1. Polypogon monspeliensis (L.) Desf. Beard-grass. 
In wet soil. Newark. 
9. Oryzopsis. 97. 
1. Oryzopsis micrantha (Trin. & Rupr.) Thurb. Mountain Rice. 
In the western part of the state. Belmont; Dismal river; Long Pine; 
Plummer Ford; Valentine. 
10. Eriocoma. 98. 
1. Eriocoma cuspidata Nutt. Indian Millet. 
On dry plains and hillsides in the western part of the state. Bel- 
