328 



^ ' ^^ b 



Fig. 624. Sitaiiion hanseni (Scribn.) J. G. S. n. comb. {Ehjmns 

 hanseni Scribn., U. S. Dept. Agr., Div. Agios. Bull. 11 : 56, fig. 12 

 1898). Hansen's Sitaniox. A rather stout, glabrous perennial 

 9 to 12 dm. high, with narrow, spreading leaves and slender, 

 fragile spikes 5 to 8 cm. long. I..eaves 10 to 30 cm. long. Spike- 

 lets 3- to 5-llowered, about 15 mm. long, exclusive of the awns, 

 which are 2 to 5 cm. long. Empty glumes tipi)ed with 2 or some- 

 times 3 unequal awns, the longer ones often 3.5 cm. long. Dry, 

 open grounds, Amador County, California. 



