No. 10. 

 STIPA KINGIl r.(.laii(l. I'loo. Gal. Acad. iv. 170. 



I'hiiil |ifi('iniial. cespitose at base, with niinieiuns rout til )cra. 



Ctdm elect, simple, terete, siiiooMi, iiake<l al)()\'e, with hut two nodes near the 

 base which are covered with the iciiiaiiis ot luaiiy sheaths, .") to 12 inches high. 



Leavex from the base rnuneious with mcinbrauaceous sheaths 1 to 1^ inches long, 

 and closely convolute, filit'orni. scabrous i)Iades I to IL' inches long. Leaves of culm 2; 

 lower one like the radical leaves, anil ujiper one with close, striate, smooth sheath .'5 to 

 6 inches long, and i)lade not exceeding the lower leaves; ligule membranaceous, acute, 

 often cleft, decuvrent. 



Injiorescenvf a uairow, erect or tiexuons panicle 2 to 5 inches long; branches 

 mo.stly in twos oi- threes, <Tect, scabrous, an inch or less long, bearing 1 to .'5 pedicel- 

 late spikelets. 



ISpikelets oblanceolate, 1 tlowered, 2 hues long; empty glumes elliptical, entire, 

 erose, or sometimes mucronate at the ape.x, iiyaline abov'e, ijurple beh>w, niiduerve 

 obscure, lateral nerves not manifest; first glume lA lines long, e<iualing the tloret; 

 second glume half a line longer; stii)e ol)conical, sciarcely acute, short-beaided. about 

 i line long; floret s])indle shajx-d, 1.^ lines long aiul 4 as thick; floral glume ovate, 

 minutely 2-toothed at the apex, chartaceous, brownish piu'i)le, clothed with a short 

 ])ubescence slightly longer at the apex, obscurely onerved, IJ U) lA lines long: awn 

 ])ersistent, finely i)ul)escent, loosely twist(Hl and somewhat bent below- the middle: 

 palet broadly ovate, obtuse, membranaceous, purple, slightly pubescent at the apex, 1 

 to 14 lines long; lodicules minute or wanting; anthers bearded at the apex; grain 

 oblong, slightly broader above, somewhat flattened, reddish with a yellow apex, nearly 

 opaque, 1 line long and nearly ;\ as thick. 



Plate X; a, sx>ikelet enlarged (i times; h, empty glumes; c, floret; il, palet. 



California and Nevada. This is one of the s])ecies near the dividing line between 

 Stipa and Oryzopsis. 



