GEASSES. 363 



Siberia, Japax. 



Canadian zone to Louisianian area. Newfoundland, Ontario, Manitoba, south and 

 west to Florida and Texas, Arkansas, and Missouri. 



Alabama: Coast plain princijially ; copious in water (2 to 3 feet deep) in the estu- 

 aries of the rivers emptying into Mobile Bay. .June to July. Perennial. ? 



Type locality: " Hab. in Jamaicae, Virginiae inundatis." 



Economic uses: Valuable for its highly nutritious seeds. 



Herb. Geol. Surv. Herb. Mohr. 



ZIZANIOPSIS Doell & Aschers. in Mart. Fl. Bras. 2. pt. 2 : 12. 1871. 



One species, warmer temperate North America; Brazil. 



Zizaniopsis miliacea (Michx.) Doell & Aschers. ; Baill. Hist. PI. 12 : 293. 1893. 



Watek Millet. 



Zizania miliacea Michx. Fl. Bor. Am. 1 : 74. 1803. 



Louisianian area. North Carolina to Florida, west to eastern Florida and Arkan- 

 sas. 



Alabama: Lower Pine belt. Coast plain. In shallow still-flowing water and 

 marshes bordering streams. Mobile County, river delta. Baldwin County, Stock- 

 ton. June and July; frequent. Perennial. 



Type locality : "Hab. in aquosis Americae septentrionalis." 



Herb. Geol. 8urv. Herb. Mohr. 



HOMALOCENCHRUS Mieg. ; Hall. Hist. Stirp. Helv. 2 : 201. 1768. 

 (Leersia 8w. Nov. Gen. et Sp. 21. 1788. Not Hedwig. 1782.) 



Five species; perennial marsh grasses of temperate and warmer regions, mostly 

 American. 



Homalocenchrus virginicus ( Willd.) Brittou, Trans. N. Y. Acad. Sci. 9 : 14. 1889. 



Whi IE Grass. 



Leersia virginica Willd. Sp. PI. 1 : 325. 1797. 



Ell. Sk. 1 : 100. Gray, Man. ed. 6, 635. Chap. Fl. 548. Coulter, Contr. Nat. Herb. 

 2: 512. Scribner, Grass. Tenu. 2 : .59, 1. 17, f. 68. 



Canadian zone to Louisianian area. Newfoundland, Ontario, and New England, 

 west to Minnesota and Nebraska; south to Florida and Texas. 



Alaba.ma: Over the State. Swampy woods, shady borders of ponds. Cullman, 

 Tuscaloosa, Montgomery, and Mobile counties. July to September; common. 

 Type locality : " Hab. in America boreali." 

 Herb. Geol. Surv. Herb. Mohr. 



Homalocenchrus oryzoides (L.) Pollich, Hist. PL Palat. 1:52. 1776. 



RlCE-LIKE CUTGRASS. 



PhaJaris oryzoides L. Sp. PI. 1 :55. 1753. 



Leersia oryzoides Sw. Fl. Ind. Occ. 1 : 132. 



Ell. Sk. l": 101. Gray, Man. ed. 6, 635. Chap. Fl. 548. Coulter, Contr. Nat. Herb. 

 2 : 511. Wats. Bot. Calif. 2 : 262. Scribner, Grass. Tenu. 2 : 60, 1. 17, f. G7. 



Europe, temperate Asia, North Africa, West Indies. 



Canadian zone to Louisiauiau area. Newfoundland, Ontario, and New England 

 (Mount Desert Island) ; west to Nebraska, Oregon, and California, and throughout 

 the Atlantic States south to Florida, Mississijipi, Texas, and Arkansas. 



Alabama : All over the State. Alluvial districts, swamps. Montgomery and 

 Mobile counties. July to September. 



Type locality : "Hab. in Virginia paludibus nemorosis." 



Herb. Geol. Surv. Herb. Mohr. 



Homalocenchrus hexandrus (Sw.) Kuntze, Eev. Gen. PI. 2 : 773. 1891. 



Southern Cutgrass. 



Leersia lierandra Sw. Gen. et Sp. PL 21. 1788. 



Chap. Fl. 549. Vasey, Contr. Nat. Herb. 3 :41. Coulter, Contr. Nat. Herb. 2 :512. 



West Ixoies, Mexico to Argentina, Africa, Asia, Australia. 



Louisianian area. Florida to Texas. 



Alabama : Coast plain. Open swamps. Mobile County, river marshes. June to 

 August. Local; not frequent. 



Type locality not ascertained. 



Herb. Geol. Surv. Herb. Mohr. 



