POACEAE: FESTUCEAE 



29 



6. B. kalmii. 

 B. hordeaceus. 



8. B. porteri. 



9. B. ciliatus. 



11. B. tectorum. 



Cheat; Chess. 



Crawford; Lin- 



Awns bent at the base. 5. B. squarrosus. 



Flowering scales pubescent. 

 Awns 2-3 mm. long. 



Awns 10 mm. long. 7. 



Second empty scale 3 nerved. 

 First empty scale 3 nerved. 

 First empty scale 1 nerved. 

 Awns shorter than the flowering scales. 

 Inflorescence drooping, scales awned. 

 Inflorescence not drooping, scales awnless or nearly so. 



10. B. inermis. 

 Awns longer than the flowering scales. 



1. Bromus breviaristatus (Hook.) Buckl. 

 Bordeaux; Belmont; Elmwood; Newcastle. 



2. Bromus brizaeformis F. & M. 

 Lincoln. 



3. Bromus secalinus L. 



Introduced in various places in the state as a weed, 

 coin; Minden; Newcastle; Talmage; Wabash. 



4. Bromus racemosus L. 

 Lincoln. 



5. Bromus squarrosus L. 



Introduced in a few places but not common. Alliance; Long Pine; 

 St. Paul. 



6. Bromus kalmii A. Gray. 



In the foot-hill regions. Hat Creek Basin; War Bonnet Canon. 



7. Bromus hordeaceus L. 



Introduced but not very common. Long Pine; O'Neill. 



8. Bromus porteri (Coulter.) Nash. 



Common in the western parts of the state. Belmont; Franklin; Valen- 

 tine. 



9. Bromus ciliatus L. 



Common throughout the state. Arapahoe; Belmont; Burwell; Cherry 

 County; Halsey; Lincoln; Norfolk; Scotia; Thedford; Turkey Creek 

 in Holt County. 



10. Bromus intermis Leyss. 

 Commonly cultivated and often escaes. 



11. Bromus tectorum L. 



Introduced and becoming a common weed in various places in the 

 state. Boelus; Brunswick; Lincoln; Minden; Sargent; Wisner. 



Smooth Brome Grass. 

 Callaway. 



2. Festuca. 145. 



Empty scales firm, the second 3-5 nerved. 

 Leaves narrow, usually involute, less than 4 mm, wide. 



Spikelets 6-13 flowered, annuals, stamens 2. 1. F. octoflora. 



Spikelets 3-5 flowered, perennials, stamens 3. 2. F. ovina. 



Leaves 4 mm. wide or more, flat. 



Flowering scales over 5 mm. long, spikelets 5-9 flowered. 



3. F. elatlor. 

 Flowering scales 4 mm. or less, long, spikelets 3-5 flowered. 



4. F. nutans. 

 Empty scales thin, more or less scarious, second scale 1 nerved or 



sometimes 3 nerved at the base. 



