240 



Fig. 222. Pappophorum apertum Scribn.; Bull. Torr. Bot. 

 Club, 9: 148; Beal, (brasses N. Am., 2: 447. — A caespitose peren- 

 nial 3 to 8 dm. high, with long, narrow, mostly involute leaves 

 and narrow, pale, or often straw-colored panicles 15. to 20 cm. 

 long. — Valleys, western Texas to Arizona and Mexico. June. 



