YELLOW-FA'ED GRASSES. 427 



XYRIDACEAE. Yellow-eyed Grass Family. 



XYRIS L. Sp. PI. 1 : 42. 1753.' 



About 50 species, mostly of the tropical and subtropical zone. Perennials, chiefly 

 iu America, Australia, Africa. North America, 14. 



Xyris ambigua Beyr. in Kuuth, Euum. 4 : 13. 1843. 



Beykich's Ykllow-eyed Grass. 

 Xyris stricta Chap. Fl. 500. 1860. 

 X rJiombipetala Sauv. Fl. Cub. 160. 1868. 

 Chap. Fl. 500. 



CUIJA, 



Louisianian area. North Carolina to Florida, west to eastern Texas. 



Alabama: Lower Pine region. Coast plain. Sandy wet borders of piue-barren 

 streams, ponds, ditches. Washington County, Yellowpine. Escambia, Mobile, and 

 Baldwin counties. Flowers yellow, .July, August; fre(|uent. 



Type locality: "Georgia, ad ripas ijaludum." 



Herb. Geol. Surv. Herb. Mohr. 



Xyris flexuosa Muhl. Cat. 5. 1813. Bulbous Yellow-eyed Grass. 



Xip-is biilbosa Kunth, Eiium. 4 : 11. 1843. 



Ell. Sk. 1 : 51. Gray, Man. ed. 6, 537. Chap. Fl. 500. Coulter, Coutr. Nat. Herb. 

 2 : 442. 



AUeghenian to Louisianian area. Ontario and New England west to Minnesota, 

 south to New Jersey, Florida, Texas, Arkansas, and southern Missouri. 



Alabama: Mountain region to the Coast plain. ^Vet sandy soil. Lee County, 

 Auburn {Baker i^- Earle). IJekalb County, De Soto Falls. Cullman Couuty, 800 fei t 

 altitude. Chilton County (£. A.Sinith). Washington County, Yellowpine. Autauga 

 and Mobile counties. July, August; frequent. 



Type locality : " Georgia, Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



Xyris elliottii Chap. Fl. 500. 1860. Elliott's Yellow-eyed Grass. 



Chap. Fl. 1. c. 



Louisianian area. South Carolina to Florida, Mississippi. 



Alabama: Coast Pine belt. Coast plain. Sandy swamps. Clarke County, Choc- 

 taw Corner. Monroe County, Claiborne. Escambia, Mobile, and Baldwin counties. 

 July to October ; common. 



Type locality : "Wet grassy pine barrens, Florida to South Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Xyris communis Kunth, Enum. 4 : 12. 1843. Common Yellow-eyed Grass. 



Xyris diformis Chap. Fl. 500. 1860. 



X. (nimnoptera Griseb. Cat. PI. Cub. 223. 1866. 



X. laj-i folia Mart. Flora, 24, Beibl. 2 : 53. 1841. 



Chap. Fl. I.e. 



Cuba, West Indiks to Brazil, Argentina. 



Carolinian to Louisianian area. Maryland to Florida and western Louisiana. 



Alabam.a.: Lower hills to Coast plain. Damp grassy banks, etc. Dekalb Couuty, 

 Valley Head. I^ee County (-/. I). Smith). Mobile Countj'. July ; infrequent. 



Type locality : "Cajenna (Desf.), Caracas (E. Otto). 



Herb. Geol. Surv. Herb. Mohr. 



Xyris serotina Chap. Fl. 500. 1860. Late-klowehixg Yellow-eyed Grass. 



Louisianian area. W^estern Florida. 



Alabama: Coast plain. Shallow pine-barren ponds. Mobile County, Kelly's jtond. 

 October; rare. 



Type locality: "Pine-barren swamps, west Florida." 



Herb. Geol. Surv. Herb. Mohr. 



Xyris caroliuiana Walt. Fl. Car. 69. 1788. 



Xyris elata Chap. Fl. 501. 1860. 



Gray, ^Nlau. ed. 6, 537. Chap. Fl. 501. 1860. 



AUeghenian to Louisianian area. New England, New York, south to Florida and 

 the Gulf States, to western Louisiana. 



' Heinrich Ries, Review of the North American species of Xyris, Bull. Terr. Club, 

 vol. 19, pp. 35 to 43. 1892. 



