324 



COLLEGE BOTANY 



There are a great many other grasses, many of which are of 

 great agricultural value. Among the most important are timothy 

 (Phleum pratense\ the orchard grass (Dactylis glomerata} and 



FIG. 164. Cyperaceae 



the blue grass (Poo, pratensis}. There are also many grasses 

 which are great annoyances to the farmer and may be classed 

 as weeds (Fig. 163). 



CYPEKACE.E (Sedge Family). Herbs which are grass-like 

 or rush-like in character; stems usually solid; leaves three- 



