370 XYRIDACEAE. 



4. Xyris Caroliniana Walt. Carolina Yellow-eyed Grass. (Fig. 896.) 



.\\rris Caroliniana Walt. Fl. Car. 69. 1788. 

 Xyris Jupacai Michx. Fl. Bor. Am. i: 23. 1803. 

 Xyris data Chapm. Fl. S. States, 501. 1860. 



Scapes mostly slender, straight or somewhat 

 twisted, 2 edged above, i-2 tall, not thickened at 

 the base. Leaves linear or linear-lanceolate, flat, 

 4 / -i5 / long, i // -5 // wide, head globose, ovoid or 

 broadly oval, blunt, 4 // -8 // long; scales oval or 

 slightly obovate, entire or somewhat lacerate; lat- 

 eral sepals linear, about as long as the bracts, the 

 narrowly winged keel lacerate or incised-serrate 

 only above the middle. 



In swamps and bogs, Massachusetts to Pennsylvania, 

 Florida and Louisiana, mostly near the coast. Young 

 states of this plant may be mistaken for X. monlana. 

 June-Aug. 



5. Xyris fimbriata Ell. Fringed Yellow- 

 eyed Grass. (Fig. 897.) 



Xyris fimbriata EH. Bot. S. C. & Ga. i: 52. 1816. 



Scapes rather stout, roughish, straight or some- 

 what twisted, strongly 2-edged above, 2-4 high. 

 Leaves flat, one-half as long as the scapes or more, 

 3 // -6 // wide; head oblong-cylindric, X / -i / long or 

 sometimes globose-ovoid and about l / t f in diameter; 

 scales obovate, their margins entire or the apex 

 lacerate; lateral sepals longer than the bracts, ex- 

 serted, long- fringed on the winged keel above the 

 middle. 



In wet pine barrens, southern New Jersey to Florida 

 and Mississippi, mostly near the coast. July-Sept. 



6. Xyris torta J. E. Smith. Twisted Yellow-eyed Grass. (Fig. 898.) 



Xyris /or/a J. E. Smith in Rees' Cycl. 1819. 



Scapes stout, much spirally twisted, i -edged be- 

 low, or 2-edged at the summit, smooth or very 

 nearly so, the base conspicuously bulbous-thick- 

 ened and with the sheathing leaves sometimes i' 

 in diameter. Leaves narrowly linear from a broad 

 shining nearly black base, rigid, rather shorter 

 than the scapes, spirally twisted (very markedly so 

 when old); head oblong or oblong-cylindric, acute 

 or subacute, y-t'-V long; bracts oblong-obovate, 

 minutely lacerate-serrulate at the apex or entire; 

 lateral sepals linear, exserted, the winged keel 

 fringed with rather short processes above the 

 middle. 



In dry pine barrens, southern New Jersey to Flori Ja, 

 west to Texas, mostly near the coast, extending 1 " m >rth 

 to Arkansas (according to Watson and Coulter). y..i\ 

 Aug. 





