106 



Fig 100 MUHLENBERGIA MEXICANA<L. j Trin. Unifl. 189. 1824. {Agrox- 

 ti.- m..dmm L. Mant. 1:31. 1767.) MEXICAN DROPSEED.-An upright or 

 ascending, usually much-branched perennial 3-9 dm. (l°-3°) high, with a scaly, 

 creeping rootstock, numerous flat leaf-blades, and contracted, densely flowered 

 panicles, its spike-like branches 2-5 cm. (l'-2') long. Spikelets (a, b) 2.5-3 mm. 

 (l"-li")long; empty glumes slightly unequal, lanceolate, long-acummate- 

 pointed, aboit the length of the very acute and awnless flowering glume.- 

 Sandy or rocky banks of streams and low thickets, New Brunswick and Ontario 

 t<j North Carolina, Indian Territory, and South Dakota. 



Of some agricultural value as a native hay grass in low, wet meadows; by 

 its strong creeping rhizomes it sometimes does good service in binding sandy 

 river banks subject to wash. 



