GRASSES. 363 



SIBERIA, JAPAN. 



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

 west to Florida and Texas, Arkansas, and Missouri. 



ALABAMA: Coast plain principally; 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. 



WATER 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. Surv. Herb. Mohr. 



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

 (LEERSIA Sw. Nov. Gen. et Sp. 21. 1788. Not Hedwig. 1782.) 



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

 American. 



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



WHITE GRASS. 



Leersia virginica Willd. Sp. PL 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. 



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

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

 Type locality : u Hab. in America boreali." 

 Herb. Geol. Surv. Herb. Mohr. 



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



RICE-LIKE CUTGRASS. 



Phalaris 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. Tenn. 2 : 60, 1. 17, f. 67. 



EUROPE, TEMPERATE ASIA, NORTH AFRICA, WEST INDIES. 



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

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

 the Atlantic States south to Florida, Mississippi, 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.) Kuiitze, Rev. Gen. PI. 2 : 773. 1891. 



SOUTHERN CUTGRASS. 



Leersia hexandra Sw. Gen. et Sp. PI. 21. 1788. 



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



WEST INDIES, 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. 



