GRASSES OF IOWA. 



61 



DESCRIPTION. 



Small TumbIe Grass. A slender annual, rarely more than i\ 

 feet (3 dm.) high, with long-pilose sheaths, narrow, flat leaves, and 

 oval or pyramidal, few-flowered panicles 4 to S inches (8-16 cm.) Ion;:. 

 Leaves i\ to 5 inches (5-10 cm.) Long, 1 to 3 inches (2-6 cm.) 



Fio. 2. Panicum minimum.— a, l>, spikelets; c, d, flower. (Charlotte M. King".) 



wide, erect, more or less pubescent. Panicles open, the lower branches 

 2% to 3 inches (5-7 cm.) long, spreading or ascending. Spikelets about 

 3.5 inches (1.5 mm.) long,. elliptic, acute, smooth, usually borne in pairs 

 at the extremities of the ultimate branches of the panicle; first glume 

 about one-third as long as the equal, acute, second and third -:nes; 

 flowering glume somewhat shorter than the third. 



DISTRIBUTION. 



• Iowa. Slater (Fawcett and Tener) ; High Bridge (Lummis). 

 Missouri to Iowa. 



