Triandria. 39 
Mardus. Gen* char.-— Cal. none ; cor. a two-valv* 
ed glume. 
Nar. Stricta , Mat-grass ; spike setaceous, upright, 
with the flowers on one side ; perennial ; flowers in July, 
and is very common in moist sandy heaths. This grass is 
separated from its natural family by having only one 
pistil. 
Order II. Digynia. 
This order includes almost the whole of the valuable 
tribe of grasses, which either grow up spontaneously, or 
are cultivated for the sake of their leaves as food for 
domestic animals, or for the sake of their seeds as food 
for man. A few of the more common may be noticed. 
Phleum. Gen. char. — Cal. two-valved, truncated, 
acuminated, sessile, one flowered, including the co- 
rolla. 
Ph. Pratense, Common Cats-tail Grass, or Timothy- 
grass ; with a very long cylindrical spike, the glume ci- 
liated on the back, longer than the awn ; perennial ; 
flowers from June to October, and is common in mea- 
dows and moist pastures. This grass sometimes rises 
to the height of three or four feet. 
Axopecurus, Gen. char.—GsH. two-valved ; one 
flowered; cor. one-valved. 
A1 , Pratensis, Meadow Fox-tail Grass; with a smooth 
erect stem, spike somewhat lobed ; glumes of the calyx 
villous, and united at the base ; perennial ; flowers in 
May, and is very common in meadows and pastures. 
D 2 
