132 



Fig. 428. Stipa neo-mexicana (Thurber). new comb. (S. pen- 

 nata neo-mexicana Thurber in Vasey, 111. N. Anier. Grasses (2- : No. 

 8, 1891.) New Mexican Feather-grass. — A rather stout, erect, 

 densely tufted perennial 3 to 9 dm. high, with involute leaves and 

 nairow, racemose panicles 8 to 10 cm. long. Awns 8 to 12 cm. 

 loug, feather-plumose excepting near the base. — High northern 

 slopes of the mountains of southern Colorado, New Mexico, Ari- 

 zona, and Texas. May-September. Ornamental. 



