27 



Fig. 323. Andropogon melanocarpus Ell. Sk. Bot. S. Car. 

 &Ga.,l:146. 1817. ( Stipa melanocarpa Muhl.) Large-fruited 

 Beard-grass. — A stout, branching annual with slightly com- 

 pressed culms, 5 to 20 dm. high, leaves 15 to 40 cm. long, 0.5 to 

 1 cm. wide, and terminal or lateral racemes 4 to 6 cm. long. Sessile 

 spikelet (b) 7 to 9 mm. long with a sharp barbate callus 3 mm. 

 long, and a stout, densely villous awn 8 to 12 cm. long. — Fields 

 and roadsides, Florida to Alabama. [Throughout the tropics.] 



