Victorian Plants. 491 



Outer bracts ending in one long point. 



Rather tall ; leaves almost filiform from marginal involution, 

 gradually pointed ; panicle elongated, generally some- 

 what dense, its branches almost capillary and sometimes 

 twisted ; fruit-supporting bract quite small, its vestiture 

 appressed and shining ; awn long, capillary, glabrous ; 

 fruit loose within its bracts. S. crinita. 



2073. Panicle very dense, almost spikelike-contracted. 



Often tall, always robust ; leaves elongated, rather flat, 

 gradually much narrowed upwards ; panicle pale, some- 

 what cylindrical in outline, attaining considerable length ; 

 spikelets very numerous, quite small ; bracts of almost 

 equal length ; awn very thin, many times longer than 

 the fruit-supporting bract, without any torsion, infra- 

 terminal ; stamens one or two or rarely three ; fruit loose 

 within its bracts. S. Di chelae line. 



Panicle open, variously spreading ... ... ... 2074 



2074. Branches of the panicle short, glabrous. 



Seldom tall ; leaves comparatively short, rather flat but 

 gradually much narrowed upwards ; panicle only mode- 

 rately spreading ; awn generally about three times longer 

 than the bracts, almost without any torsion, slightly 

 rough ; stamens three ; fruit loose within its bracts. 



S. micrantha. 



Branches of the panicle long, provided with vestiture 2075 



2075. Panicle-branches beset with very short hairlets and 



bearing rather small spikelets. 



Desert-plant, dwarf ; leaves rather flat, closely beset with 

 very short vestiture ; branches of the panicle rather long, 

 much spreading, the lower whorled, the upper mostly 

 fascicled, their vestiture soft, whitish and patent ; outer 

 bracts many times shorter than the awn ; fruit loose 

 within its bracts. S. Tuckeri. 



Panicle-branches beset with very conspicuous hairlets 

 and bearing rather large spikelets. 



Desert-plant, finally very tall, branched ; leaves narrow, 

 glabrous ; branches of the panicle very long, weak, soon 

 spreading, the lower whorled, their vestiture soft, whitish, 

 patent ; outer bracts several times shorter than the awn ; 

 fruit loose within its bracts. S. elegantissima. 



