FESTUCE.E. 517 



involute, scabrid above, smooth below. Panicle erect, slender, 20- 

 30 cm. long, rays spikelike, appressed, 1—4 cm. long. Spikelets 

 short-pedicelled, broadly wedge-shaped or oval, about 3 mm. long, 

 3-4-flowered; the two lower empty glumes equal, awl-shaped, 1.6 

 mm. long ; first floral glume obtuse, ovate-lanceolate when spread, 

 2 mm. long, keels smooth, not winged, about 7-nerved ; palea sub- 

 falcate, 2 mm. long. Stamen 1. 



Maryland, Garher ; District of Columbia, McCarthy ; Georgia, 

 Small. 



Sandy, damp soil, near the coast, Long Island to Florida. 



4. TJ. longifolia Scribn. Bull. Bot. Club. 21: 229 (1894). 

 More robust than U. laxa. Sheaths two- thirds the length of 



the internodes or longer; ligule a dense ring of soft hairs; blades of 

 the culm 30-45 cm. long, 6-10 mm. wide. Panicle 25-60 cm. 

 long. Spikelets broadly oval or cuneate, 7-8 mm. long, 3-4-flow- 

 ered; first and second empty glumes subequal, nearly 2 mm. long, 

 first floral glume ovate, truncate when spread, 3.5-5 mm. long, 9- 

 11-nerved, vipper floral glume longer. Some of Mr. Small's plants 

 seem to connect this with U. laxa. 



Georgia (Little Stone Mountain), ./. K. /iS'?na?/ July 1895; Florida, 

 Curtiss,2>b'^l; Mississippi, Tracy. 



5. TJ. sessiliflora Poir. Encyc. 8 : 185 (1804). U. nifida Baldw. 

 Ell. Bot. S. C. & Ga. 1:167 (1816). 



Culms slender, 30-90 cm. or more high from scaly rootstocks. 

 Leaves 6-10, ligule a fringe of hairs; blades flat, smooth, 15-20 

 cm. long, 3-4 mm. wide. Panicles spikelike, simple, 2-8 mm. long. 

 Spikelets subsessile, wedge-shaped, 6-8-flowered, 12-16 mm. long; 

 empty glumes awl-shaped or lanceolate, first 2 mm. long, second 

 about 3 mm. long; floral glume 6-8 mm. long, acute, ovate-lanceo- 

 late when spread, keels scabrous, about 13-nerved; palea falcate as 

 long as its glume. Stamen 1. 



South Carolina, Ra venal ; northern Alabama, U. S. Dejif. 

 Agricul. 619; Florida, Curtiss 3521; Mississippi (Ocean Springs), 

 Tracy. 



Swamps of South Carolina to Texas. 



120. (247). DiSTICHLIS Kafin. Jouni. Phys. 89:104 (1819). 



