62 



Fig. of,. PANICCTM BXTLBOS-CTM H. B. K. Nov. Gen. et Sp. PI. 1 : 99. 1815. 

 ALKALI SACCATOX.— A stout, glabrous perennial 9-15 dm. (3°-5o ) high, from 

 a bulbous base, with flat leaves and usually ample panicles 20-40 cm. f8'-16') 

 long. Branches scattered, verticillate. Spikelets {aj 3 mm. (11") long, smooth, 

 obtuse, or acute; lower glume nearly one-half as long as the spikelet, broad, 

 3-nerved, acute; second and third glumes equal, 5-nerved, the third .subtending 

 a staminate flower; flowering glume as long as the outer ones, obtuse. A small 

 form about 6 dm. i2°)high, with much reduced panicles, is var. minor Vasey, 

 U. S. Dept. Agr. Div. Bot. Bui. 8 : 38. 1889.— In canyons, Texas to Arizona. 

 (Mexico.) June to September. 



A valuable and productive hay grass for alkaline soils. 



