225 



Fig. 219. LEPTOCHLOA MUCRONATA (Michx.) Kunth, Rev. Gram, l : 91 

 1835. {Eleiisine viucronata Michx. F]. Bor. Am. 1 : 65. 1803.) FEATHER- 

 GRASS.— A more or less branching annual 6-12 dm. (20-4°) high, with rather 

 broad, flat leaves and long terminal panicles of many slender spikes 8-10 cm. 

 (3'-4') long. Sheaths shorter than the internodes, glabrous; ligule short" 

 lacerate; leaf-blades 5-20 cm. (2'-8') long, 2-6 mm. (F-3") wide, scabrous' 

 Spikelets about 2 mm. (1") long, 2 to 4 flowered; empty glumes (a) very acute 

 scabrous on the keel; floral glumes (b) obtuse or slightly emarginate, eiliate 

 on the nerves.— A weed in cultivated and waste grounds, Virginia, Illinois, 

 south to Texas and California. (Northern Mexico and Cuba.) June to 

 October. 



20801— No. 7 15 



