It; I 



Grazing results in the destruction of the larger species of 

 bunch-formers, leaving Fanieinii coi/iKitinii and the undeter- 

 mined PinilcHtH, Pdspa I II III .sffuccn III. iind Boiiteloiia hirsiita as the 

 predominant grasses. The other species, such as Eragrostis 

 fric/ini/f's and Sfipa spuiini, so prominent in the original vege- 



TABLE II. PASTIIRKIJ BUNCH-GRASS. 

 (Not ]>a.«tured for two years preceding count. 



Bouteloua hirsuta 

 Panicum cognatuiii 

 Panicum sp. 

 Paspalum setaceum 

 Upuntia luimifusa 

 Leptilon canadense 

 Ambro.sia psilostachya 

 Moiiarda punctata 

 Cassia cliamnjcrista 

 Petalostemon candidus 

 Carex gravida 

 Eragrostis trichodes 

 lonac.tis linariifolius 

 Polygala verticillata 

 Cyperus Schweinitzii 

 ('rotoiiO[)sis linearis 

 Poa pratensis 

 Polygonum tenue 

 Commelina virginica 

 Croton glandulosus 

 Ohrysopsis camporuni 

 Litiiosperniuni lineari folium 

 (Jallirrhoe triangulata 

 Phlox bifida 



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tation, are present only rarely and in scattered bunches. The 



*See p. 1?)9. 



