74 Trans. Acad. Sci. of St. Louis. 



spikelets o-8-flowered, 4-6 mm. long, short-oblong, broadly 

 oval when mature, usually purple; lower scales slightly 

 shorter than the lower flowers; flowering scales broadly 

 oblong, pubescent below the middle; palet equaling the 

 flowering scales, ciliolate on the nerves which are more curved 

 at the base than at the rounded and apiculate apex. Low 

 swampy pine barrens. July to October. Perennial. 



Louisianian area. South Carolina and Georgia to Alabama, 

 Florida, Texas and Arizona. 



Type locality: " Found in the mountains of Carolina, by 

 Dr. McBride, and in the lower country of Georgia, by Dr. 

 Baldwin.'^ 



Specimens EXAMINED. — Florida: Apalachicola and Quincy, Chapman; 

 Duval County, Curtiss, 10736; Jacksonville, Curtiss, 3455, 1877.— Texas: 

 Point Ysabel, Nealley, 819.— Louisiana: De Quincy, Bush, 973, 1901. 



15. Triodia Chapmani (Small) B. F. Bush. 



Sieglingia Chapmani Small, Bull. Torr. Club. 22 : 365. 1895. 

 Tricnspis Chapmani (Small) Heller, Cat. PI. N. A. 28. 1900. 



Culms 9-15 dm. tall, mostly purple about the nodes, erect, 

 wiry, glabrous, bright green. Lower leaves rather numer- 

 ous, nearly erect, 4-6 dm. long, the upper few, divaricate, 

 somewhat shorter, all firm, flat when young, soon involute 

 and almost filiform, 7-11-ribbed, smooth and glabrous ; lower 

 sheaths about 1 dm. long, the upper ones often 2 dm. long, 

 all 1/3 to 1/2 shorter than the internodes; ligule a short 

 f rinse of rigid villous hairs, above which on the surface of 

 the leaf, is a tuft of longer villous hairs; panicle averaging 

 about 2 dm. high, viscid above, broadly ovoid, its branches 

 rigid, filiform, divaricate, the nodes tufted with bunches of 

 silvery-villous more or less viscid hairs ; spikelets very slender, 

 pedicelled, rather few, 7-8mm. long, tinged with purple, almost 

 linear, about 5-flowered ; empty scales lanceolate, 1-nerved, 

 the lower one 3/4 longer than the upper ; flowering scales 

 oblong-elliptic, 5-nerved, 3-pointed by the excurrent nerves 

 which are villous for one-half their length ; palet 2-nerved, 

 scabrous on the two nerves, slightly curved. Dry sandy pine 

 barrens. August to October. Perennial. 



Louisianian area. Georgia and Florida to Alabama and 

 Texas. 



