328 



Fig. 624. Sitanion hanseni (8cribii.) ,T. 0. S. n. ^-omh. {El yiniis 

 hanseni Sciibu., V. S. Dept. Agr., Div. A<,mos. Bull. 11: 50, fig. 12 

 1W>«). IIan.si:n"s Sitanion.— A rather istoiit, glabrous pereuuial 

 9 to 12 dm. liigb, with iiarrow, Hjireadiug leaves and slender, 

 fragile Hiiikes5 to 8 cui. long, heaves 10 to 30 cm. long. Spike- 

 lets 3- to .5-llo\vered, about 1.5 iijm. long, exclusive of the awns, 

 which are 2 to 5 cm. long. Empty glumes tipped with 2 or some- 

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

 ojieu grounds. Amador County, California. 



