28 A TEXT-BOOK OF GRASSES 



ton. The term "bunch-grass" is applied to diverse spe- 

 cies in different regions. The name refers to any species 

 that forms conspicuous tufts. In western Kansas it refers 

 to Sporobolus airoides; in Oregon to Agropyron spicatum; 

 in other locaHties to various other species. (See Yearbook 

 for 1900.) 



