16 



Fig. 312. Andropogon gracilis Spreng. Syst. 1 : 284, not 

 Presl. Slexder Broom Sedge. — A slender, erect perennial 3 to 

 4 dm. high, with thread-like leaves 10 to 20 cm. long and termi- 

 nal, silky-hairy racemes 3 to 5 cm. long. Sessile spikelet («) 4 to 

 6 mm. long, with the awn of the flowering glume (e) 13 to 19 mm. 

 long. — Dry pine woods, Southern Florida. [West Indies.] June- 

 August. 



