Bush — A New Genus of Grasses. 181 



at the summit; leaves 2-5 cm. long, 1-2 mm. wide, flat, 

 smooth beneath, rough above; spikelets dioecious, 10-40- 

 flowered, 4-16 mm. long; lower scales unequal, the first 

 one-half to two-thirds as long as the second; flowering 

 scales about 2.5 mm. long, the lateral nerves prominent; 

 scales of the pistillate flowers more acute than those of the 

 staminate. — On sandy or gravelly shores, common through- 

 out nearly all North America and in the American tropics. 



fSpecimens examined : — 



District of Columbia : Washington, Steele, 1896. 



Connecticut: No locality, D. C. Eaton, 1859. 



New York: No locality. Gray exsicc, date of collection 

 not given. 



Kentucky: No locality, Short, 1840; Hadley, Sadie F. 

 Price, 1899; Harlan County, Kearney 55, 1893. 



Ohio: Milan, Moseley, 1894; Cincinnati, Lloyd, 1884. 



Iowa: Ames, Hitchcock, 1888; Clinton, Pammel 239, 

 1896; Boone County, Pammel and Ball 108, 1896; Des 

 Moines, Ball 1379, 1898; Turin, Pammel 1032, 1894. 



Wisconsin: LaCrosse, Pammel, 1887; LaCrosse Eiver, 

 Hall, 1861. 



Nebraska, Wabash, Williams, 1889; Lincoln, Webber, 

 1877; Fort Pierre, ^a?/cZe7i, 1853. 



North Carolina: Wilmington, McCarthy, 1885; Lincoln 

 County, Curtis, 1847. 



Louisiana: Baton Rouge, Joor, 1885; New Orleans, 

 Hale 1603, 1605, date of collection not given; Alden Bridge, 

 Trelease, 1898; Jackson, Buckley Herbarium, without date; 

 Comite Swamp, Joor, 1885. 



Arkjvnsas: Fulton, Bush 963, 1900; no locality, Beyrich, 

 145, 1834. 



Tennessee: Columbia, Shimek, 1891. 



Indian Territory: Sapulpa, Bush 825, 1894. 



Missouri: Jefferson Barracks, Pammel, 1886; Courtney, 

 Bush 591, 1896; Kennett, Bush, 1893; Jackson County, 

 Bush, 1891; Campbell, Bush 810, 1894; Swan, Bush 602, 

 1899; St. Louis, Engelmann 108, 1838. 



