POACEAE: FESTUCEAE 33 



2. Eatonia obtusata (Michx.) A. Gray. 



Common on prairies throughout the state. Belmont; Broken Bow; 

 Crawford; Cherry County; Halsey; Hat Creek Basin; Kearney; Lin- 

 coln; Long Pine; Mullen; Plummer Ford; Thedford; Valley. 



3. Eatonia pennsylvanica (D.C.) A. Gray. 



Wooded bluffs, mostly in the eastern part of the state, Belmont; 

 Fort Niobrara; Nemaha; Valentine; Valley of the Bow. 



14. Eragrostis. 129. 

 Stems not creeping. 



Annuals. 



Spikelets 2-5 flowered, 2-3 mm. long. 1. E. capi Maris. 



Spikelets 5-many flowered, 3-16 mm. wide. 



Spikelets about 1 mm. wide. 2. E. pilosa. 



Spikelets over 1 mm. wide. 



Spikelets 1.5 mm. wide. 3. E. purshil. 



Spikelets 2.5 mm. or wider. 4, E. major. 



Perennials. 



Flowering scales less than 2 mm. long. 5. E. pectinaceae. 



Flowering scales, at least the lower, over 2 mm. long. 



6. E.trichodes. 

 Stems creeping. 



Flowering scales 2 mm. long, glabrous. 7. E. hypnoides. 



Flowering scales 3-4 mm. long, pubescent. 8. E. capitata. 



1. Eragrostis capillaris (L.) Nees. 



In the southeastern part of the state. Weeping Water. 



2. Eragrostis pilosa (L.) Beauv. 

 Introduced but not common. Lincoln. 



3. Eragrostis purshii Schrad. 



Common in waste places, especially in the eastern half of the state. 

 Broken Bow; Dukeville; Minden; Mullen; Plainview; Rushville; 

 Weeping Water. 



4. Eragrostis major Host. Stink Grass. 

 A common weed all over the state. Callaway; Culbertson; Halsey; 

 Hooker County; Kearney; Mullen; Niobrara; Talmage; Thomas 

 County; Brown County. 



5. Eragrostis pectinacea (Michx ) Steud. 



Common in waste places except in the extreme western part of the 

 state. Ainsworth; Callaway; Chelsea; Halsey; Lincoln; Long Pine; 

 Minden; Republican Valley; Thomas County. 



6. Eragrostis trichodes (Nutt.) Nash. Blow-out Grass. 

 Common in sandy places, often found in "blow-outs." Dismal River; 

 Franklin; Halsey; Howard County; Keya Paha; Plummer Ford; Thed- 

 ford; Valentine. 



7. Eragrostis hypnoides (Lam.) B. S. P. 



Wet places, mostly along streams in the eastern part of the state. 

 Franklin; Glen Rock; Guide Rock; Lincoln; Neligh; Norfolk; Wahoo. 



8. Eragrostis capitata (Nutt.) Nash. 

 Nebraska according to Britton's Manual. 



15. Diplachne. 128. 

 1. Diplacline acuminata Nash. 



Wet soil, frequent on sand-bars. Basset; Callaway; Kearney; Min- 



