48 Order POALES 
2. Bouteloua oligostachya (Nutt.) Torr. Blue Grama-grass. 
Common on dry prairies throughout the state. Callaway; Centrai 
City; Cherry county; Halsey; Hardy; Hat Creek basin; Mullen; 
Pishelville; Plummer Ford; Valentine. 
5. Atheropogon. 123. 
1. Atheropogon curtipendulus (Michx.) Fourn. Prairie Oats. 
Common all over the state. Bazile creek; Bellevue; Belmont; Frank- 
lin; Hardy; Lincoln; Louisville; Plummer Ford; Red Cloud. 
6. Schedonnardus. 122. 
1. Schedonnardus paniculatus (Nutt.) Trelease. Wild Crab-grass. 
Common in dry places throughout the state. Beatrice; Brunswick; 
Cushman; Grand Rapids; Halsey; Kearney; Lincoln; Minden; Ne- 
braska City; Thedford; Valentine. 
7. Bulbilis (Buchloe). 125. 
1. Bulbilis dactyloides (Nutt.) Raf. Buffalo-grass. 
On dry prairies, mostly in the western part of the state. Alliance; 
Belmont; Box Butte county; Central City; Franklin; Halsey; Lin- 
coln; Minden; Norway; Plainview; Thedford; Valentine. 
Tribe 4. AVENEZ. 
Spikelets 2—6-flowered, the lower perfect. 1. Avena. 
Spikelets 2-flowered, the lower staminate. 2. Arrhenatherum. 
1. Avena. 117. 
Annual; empty scales as long as the spikelet. 1. A. fatua. 
Perennial; empty scales much shorter than the spikelet. 2. A. striata. 
1. Avena fatua L. Wild Oats. 
A single plant was found near Lincoln. Common in South Dakota 
as a weed in grain fields and probably has been introduced in our 
state also. Differs from cultivated oats in the hairy flowering scales 
and the bent twisted awns. 
2. Avena striata Michx. Purple Oats. 
In woods in the western part of the state. Long Pine; War Bonnet 
canyon. 
2. Arrhenatherum. 118. 
1. Arrhenatherum elatius (L.) Beauv. Tall Oat-grass. 
In fields and waste places. Lincoln; Minden. 
Tribe 5. PHALARIDEZ. 
1. Phalaris. 92. 
Panicle elongated, over 5 cm. long. 1. P. arundinacea. 
Panicle ovoid, less than 5 ecm. long. 2. P. canariensis. 
1. Phalaris arundinacea L. Reed Canary-grass. 
In moist places, abundant in the eastern part of state and in the 
sand-hills. Ashland; Bassett; Lincoln; Plainview; Talmage; Whit- 
man. 
