Family POACE® 41 
Flowering scales with 3 prominent nerves, the intermediate 
faint or obsolete. 
Branches of the inflorescence bearing spikelets above the 
middle. 2. P. nemoralis. 
Branches of the inflorescence bearing spikelets only at the 
nds. 6. P. alsodes. 
Flowering scales without cobweb-like hairs at the base. 
Spikelets decidedly flattened; flowering scales acute. 
7. P. pseudopratensis. 
Spikelets but slightly flattened; flowering scales rounded at 
the apex. 
Flowering scales scabrous all over. 9. P. confusa. 
Flowering scales scabrous above; strigose on the lower por- 
tion. 
Flowering scales ovate, not longer than the empty scales. 
10. P. arida. 
Flowering scales oblong, longer than the empty scales. 
11. P. buckleyana. 
1. Poa annua L. Low Spear-grass. 
Reported from Lincoln. 
2. Poa nemoralis L. Spear-grass. 
In the western part of the state. Belmont; Johnstown. 
3. Poa pratensis L. Kentucky Blue-grass. 
Commonly cultivated and often escapes, especially in the eastern 
part of the state. Ashland; Halsey; Nemaha; Thedford; Valentine. 
4. Poa reflexa V. & S. 
Norfolk. 
5. Poa sylvestris A. Gray. 
Long Pine. 
6. Poa alsodes A. Gray. 
In woods in the northwestern part of the state. War Bonnet canyon. 
7. Poa pseudopratensis Scribn. & Rydb. 
In the western part of the state. Deuel county; Thedford. 
8. Poa compressa L. Canada Blue-grass. 
Over most of the state but not common. Bassett; Chadron; Ken- 
nedy; Lincoln; Sheridan county. 
9. Poa confusa Rydb. 
Nebraska, according to Rydberg’s Flora of Colorado. 
10. Poa arida Vasey. 
In dry prairies over most of the state. Belmont; Chadron; Craw- 
ford; Culbertson; Hardy; Harvard; Lincoln; Minden; Thedford. 
11. Poa buckleyana Nash. 
Belmont; Chadron; Crawford. 
7. Dactylis. 136. 
1. Dactylis glomerata L. » Orchard-grass. 
Sometimes escapes from cultivation. Lincoln; Minden; Valentine. 
8. Distichlis. 135. 
1. Distichlis spicata (L.) Green. Alkali-grass. 
In alkaline and saline soil, common throughout the state. Callaway; 
