24 



Koeleria cristata, var. 



Common on low dry ground. 



Poa IcevisJ 



Occasionally found on low ground. 

 Poa tenuifolia. 



Common at the summit. 

 Poa purpurascens. 



Common in the same locality. 

 Poa flexuosa, var. occidentalis. 



Abundant in a cation near the summit. 



Ammophila longifolia. 



Rare on wet ground. 

 Muhlenbergia glomerata, var. 



Occasional on wet ground and in the canons. 

 Muhlenbergia comata, var. 



On the river-bank. 

 Qlyceria arundinacea. 



Occasionally found on ditch-banks. 

 Qlyceria nervata. 



In a caiion near summit. 

 Distichlis maritima. 



Everywhere on alkaline soils. Nowhere have I found it consid- 

 ered of any value except at Winslow, Ariz., where it is almost 

 the only green thing found. 



Cenchrus tribuloides. 



Common here, but seen elsewhere only at Caiion City, Cal. 



Stipa comata. 



Common on the bench lands. 



Stipa viridula, var. 



Abundant on the upper half of the mountain. 

 Bromus secalinus. 



The most common species on low, dry, sandy land. 

 Bromus breviar [status. 



Common in the caiion. 

 Bromus racemosus. 



Occasional in the caiion. 



Panicum capillar e. 



Occasionally found on the river-bank. 



Phalaris arundinacea. 



On the river-bank ; also found at Palisade, Kev. 



Deyenxia neglecta. 



On the river-bank. 



