32 



Summary : 



a. Blade tapered from the base, ending in an acute 



point, and always shining on lower surface. 



b. A pair of yellow lines in a light ground. 



c. Sheath with acute edges. 



The thin bladed meadow grasses may be readily 

 distinguished thus : 



Bent grass (Agrostis). For the characters of this 

 very variable grass, see Group XIV., Part II. 



