31. 



form dense mats. Flowering stems numerous, smooth, flowers 

 in spikes; leaves from 4 to 12 inches long, smooth or sometimes 

 pubescent; spike 3 to 10 inches long; the separate parts of the 

 spikes are spoken of as spikelets, these contain from 4 to 8 flow- 

 ers. The chaffy scales of the spikelets are spoken of as the empty 

 glumes. Each flower has a flowering glume and a palet; each 

 flower contains stamens and pistils. 



This plant, quack grass, is closely related to western wheat 

 grass which may be readily distinguished by the glaucus green 



Squirrel Tall Grass, Wild Barley (Hordeum jubatum). Winter annual 

 or annual, a part of stem, b portion of spike showing the sterile and fertile 

 flowers and the long awned glumes, c single flower with long awned glume. 

 A troublesome weed everywhere in the state. (Charlotte M. King.) 



Drop Seed Grass or Wild Timothy (Muhlenbergia racemosa). I single 

 spikelet to the right. Stalk with roots (rootstock) clustered. 



color which forms a decided contrast to the ordinary green of 

 blue grass or other grasses in this state. The spikelets, too, are 

 denser and thicker. This grass is commonly found along rail- 



