ALTAMAHA GRIT REGION OF GEORGIA 301 



Fl. July-Sept. Also in the upper third of the coastal plain. 

 Widely distributed in the Eastern United States and Canada. 



often a weed in old fields in the North. 

 Anatomy of leaves and roots studied by W. E. Britton, Bull. 



Torrey Club 30 : 589, 599. pi. 2je. 1903. 

 ? A. Tracyi Nash 



Moist pine-barrens, irwin (abundant near Fitzgerald), ber- 



rien (1707). Fl. Sept.-Oct. 

 A. Virginicus L., Sp. PI. 1046. 1753. 



Dry pine-barrens, screven, wilcox, and doubtless else- 

 where. Inland to the mountains, where it grows on dry 



sunny slopes. (See Torreya 5 : 56. 1905.) 

 Widely distributed in the Eastern United States, but probably 



not everywhere native. 

 A. Mohrii Hack.; Vasey, Contr. U. S. Nat. Herb. 3: 11. 1892. 

 irwin: Moist pine-barrens near Fitzgerald, Oct. 4, 1902 (1708). 

 West to Mississippi, in the pine-barrens. 

 A. corymbosus [Chapm] Nash; Britton, Manual 69. 1901 (without 



proper synonymy). 

 irwin: With the preceding {ijog). 

 Virginia to Florida and Mississippi (?), in the coastal plain. 



A. scoparius Mx., Fl. 1: 57. 1803. Broom Sedge. 



berrien: Rather dry pine-barrens near Brookfield, Sept. 27, 



1902 (1684). Possibly not indigenous. 

 Nearly all over North -America, but usually as a weed. 

 Anatomy of leaves and roots described by W. E. Britton, 



Bull. Torrey Club, 30 : 588, 598-599. pi. zjd. 1903. 



A. tener (Nees) Kunth, Rev. Gram. 2 : 565. pi. igy. 1832. 



Dry and intermediate pine-barrens, usually where the Lafay- 

 ette formation is at or near the surface; often abundant. 

 Rarely on rocks, dodge, teifair, coffee, wilcox, dooly, 

 colquitt, thomas, decatur. Fl. summer. Inland to 

 Sumter County and coastward at least to Lowndes. 



West to Texas and south to Argentina. 



This species is as good an illustration as any of the singular fact 

 that nearly all the species in our territory which range 



