133 



Fig. 429. Stipa piinglei Scribu. C'ontrib. Nat. Ilcrli. 3:54. 

 1S92. (Ori/zopai-s pruxjlti Heal.) Pijixclk's Featiiki;-(;kass. A 

 slender, erect, ciesijitose perenuial (i to 12 dm. high, with lou<f, 

 Hat leaves and loosely few-flowered panicles 15 to 20 cm. loug. 

 Spikelets S to 10 mm. long, with acute, ^^-!ler^ed em])ty glumes 

 (a), and pubescent lloweriiig glumes (h). Awn slender, about 20 

 mm. long. Dry sloi)es, Texas, to Arizona and Calilbrnia. [Mex- 

 ico.] .luly-Oitobor. 



