FESTUCK.E. 517 



involute, scabrUl abovo, smootli below. Panicle erect, slender, 20- 

 30 em. long, rays spikelike, ai)[)resse(l. 1— i em. long. Spikeiets 

 short-pedieelled, broadly wedge-sbaped or oval, about '.) mm. long, 

 3— 4-flowered; tbc two lower empty glumes equal, awl-sliaped, 1.6 

 mm. long ; first floral glume obtuse, ovate-lan(.'eolate wben spread, 

 2 mm. long, keels smootli, not winged, about T-nerved ; palea sub- 

 faleate, 2 mm. long. Stamen 1. 



Maryland, GarOcr ; District of Columbia, AfcCnrfhi/ ; Cieorgia, 

 iSwalL 



Sandy, <lainp soil, near tlie coast. Long Island to Florida. 



4. U. longifolia Seribn. Kull. Hot. Club. 21: 2:.>!) (1S(I4). 



^Fore robust tban IJ. hua. Slieatbs two-lbirds tlie lengtb of 

 tbe internodesor longer; ligule a dense ring of soft bairs; blades of 

 tlie culm oO— tf) em. long, G-10 mm. wide. ]*aiiicle 2.")-()() cm. 

 long. Spikelets broadly oval or euueate, 7-8 mm. long, ;)-4-llow- 

 ered; first and second empty glumes sube(iual, nearly 2 mm. long, 

 first floral glume ovate, trun(;ate wlien s[»read, .'J..-)-.") mm. long, !>- 

 11 -nerved. u[)per floral glume longer. Some of ^Ir. Small's })lauts 

 seem to conneet tbis witli I', hi.ra. 



Ticorgia (Little Stone Mountain). J. K. Small 3\\\y\'6^db; Florida, 

 CVW/.s'.v, 3521 ; Mississii)[)i. Tranj. 



a. U. sessiliflora Poir. Kncyc <S : IS.^) (1801). T. nUiiUt I'.aldw. 

 Ell. !'.()t. S. (\ cS: Oa. 1 : 107 (ISlC). 



Culms slender, 30-1)0 cm. or more bigb from scaly rootstocks. 

 Leaves G-10, ligule a fringe of bairs; blades Hat, smootli, ir>-2(» 

 cm. long, 3-4 mm. wide. Panicles spikelike, simi)le, 2-8 mm. long. 

 Kpikelets subsessile, wedge-sbaped, 0-8-llowered, 12-1 G mm. long; 

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

 Hlx>ut 3 mm. long; floral glume G-S mm. long, acute, ovate-lanceo- 

 late wben spread, keels scabious, about 13-nerved; j)alea falcate as 

 long as its gliune. Stamen 1. 



Soutli Carolina, Ravenal ; nortbern Alabama, V. S. Jh/if. 

 Afirlcnl. GIO; Florida, 6'»/'//.s.v 3521 ; ]N[ississip[)i (Ocean Springs), 

 Tnirji. 



Swami)s of Soutli Carolina to Texas. 



120. (247). DiSTICHLIS Ualin. .Tourn. Pbys. 89:104 (1810). 



