30 POALES 



Inflorescence open, its branches spreading. 5. F. scabrella. 



Inflorescence narrow and spilvelilie. 6. F. ccnfinis. 



1. Festuca octoflora Walt. Slender Fescue-grass. 

 In dry sandy soil all over the state. Alliance; Ashland; Box Butte 

 County; Broken Bow; Callaway; Kearney; Halsey; Lincoln; Thed- 

 ford; Valentine. 



2. Festuca ovina L. Sheep's Fescue-grass. 

 In prairies throughout the state. Box Butte County; Broken Bow; 

 Lincoln; Thomas County; War Bonnet Canon. 



3. Festuca elation L. Tall or Meadow Fescue-grass. 

 Sometimes escapes from cultivation. Atkinson; Grand Island; Valen- 

 tine. 



4. Festuca nutans Willd. 



In the eastern part of the state. Elmwood; Lincoln; Nebraska City; 

 Fort Niobrara; Omaha; Nemaha; Ponca; Weeping Water. 



5. Festuca scabrella Torr. 

 Custer County. 



6. Festuca confinis Vasey. 

 Festuca watsoni Nash. 



In the western part of the state. Crawford; Harrison. 



3. Puccinellia. 145. 



1. Puccinellia airoides (Nutt.) Wats. & Coult. 



In western parts of the state. Belmont; Crawford; Cheyenne County; 



Lodge Pole; Long Pine. 



4. Panicularia. (Glyceria). 142. 



Second empty scale about 1 mm. long. P. nervata. 



Second empty scale 2 mm. long or more. P. americana. 



1. Panicularia nervata (Willii.) Kuntze. 



Common in wet places, especially in the western parts of the state. 

 Anselmo; Belmont; Emerson; Lincoln; Long Pine; Newark; Saun- 

 ders County; Valentine. 



2. Panicularia americana (Torr.) MacM. 

 Glyceria grandis Wats. 



Frequent along streams in the sandhill regions. Callaway; Emerson; 

 Mullen; Thedford. 



5. Scolochloa. 142. 



1. Sclolchloa festucacea (Willd.) Link. 



In marshy places in the western part of the state. 



6. Poa. 87. 



Annuals, rarely over 2 dm. tall. 1. P. annua. 



Perennials, usually taller. 



Stems flattened. 9. P. compressa. 



Stems not flattened, round or nearly so. 



Flowering scales with cobweb-like hairs at the base of the flowers. 

 Flowering scales with all 5 nerves prominent. 



Branches of the inflorescence erect or spreading, with many 

 spikelets. 4. P. pratensls. 



