311 



Fig. 607. Hordeum adscendeus lliJK. Nov. Geu. 1: l^iO. 181.">. 

 Scribn. Sr Smith, U. S. Dept. Agr., Div. Agros. Bull. 4 : 24. 1897. 

 A rather slender, erect, leafy annual (?) 6 to 9 <lm. high, with 

 pubescent litwer sheaths, flat and ratlier rigid loaves, and bearded, 

 terminal spikes (5 to H eni. long. Kmpty glumes setaceous, rounded 

 on the back, grooved on the inner face below ; those of the cen- 

 tral spikelet about '2 cm. long. Flowering ghinie of the centra! 

 spikelet 9 to 10 mm. long, with an awn L'O to l.'l mm. long. L.iteral 

 spikelets neutral. Along irrigating ditches, Arizona. [Mexico. ] 

 .\]>ril-.Iune. 



