252 



Fig. 548. Poa pattersoni \'as(iy, Coutrib. Nat. Herb. 1:275. 

 1893. Pattkusox's lil.tixJitAss. — A low, densely tufted perennial 

 1 to 1.5 dui.bigb, witb iiunicious basal leaves, 4 to G cm. long and 

 oblong, den.sely flowered panicles. Spikelets 2- to 3-flowered 4 to 6 

 mm. long witb nearly c<inal, acute emiity glunie-s nearly as long as 

 Ibe lloral ones (4 mm.) wbicb ;ire pubescent on tbe lateral nerves 

 and keel below tbe middle but not webbed.— Higb mountains of 

 Colorado. August. 



