CATALOGUE. 207 



pedicelled, all fertile, articulate at the base ; glumes 2, membranaceous, 

 subequal, awnless, externally covered with long silky liairs ; inferior flower 

 of 1 hyaline palet ; superior flower perfect, of 2 minute, hyaline, awnless 

 palets ; stamens 2, styles 2, elongated ; stigmas plumose ; panicle con- 

 tracted, spike-form, cylindrical ; spikelets externally surrounded with long 

 silky hairs ; culm erect, 2-3°, and with the nodes and the leaves glaucescent 

 and smooth; leaves linear, setaceo-acuminate (1° or more long, 2" wide), 

 rigid; panicle elongated-cylindrical, 4-8'. — Nevada, 1871 and 1872; 

 Sanoita Valley, 1874 (656). 



