434 POACE.E. 



Texas, NeaUeij in 1884. 



4. L. Domingensis (Jacq.) Trin. Fund. Agrost. 133(1820); 

 Link, Enum. 1:103(1821). Cynosurus Domingefisis Jacq. Icon. 

 1: 22 (1781). L. virgata Wight. Steud. Syn. PI. Gram. 213 (1855). 



Culms erect, sparingly branched, 30-90 cm. high. Sheaths 

 longer than the internodes; ligule very shortly ciliate; blades flat, 

 smooth,- 15-30 cm. long, 4-7 mm. wide. Panicle 10-15 cm. long, 

 spikes 15-30 in number, 3-4 cm. long. Spikelets purplish, 2-3- 

 flowered, 1.7 mm. long; empty glumes 1-nerved, first about 1 mm. 

 long, second 1.5 mm. long; floral glume 3-nerved, 1.5 mm. long, 

 oval, slightly ciliate on the margins, emarginate, the awn 1.5 mm. 

 long; palea as long as its glume. 



Southern Florida, Simpson for U. S. Nat. Herb, in 1892; Texas, 

 Nealleij in 1888 for U. S. Nat. Herb. 



5. L. spicata (Dcell) Scribn. Proc. Acad. Phila. 304 (1891). 

 Diplacli)ie S2)icata Da3ll, Benth. Jour. Linn. Soc. 19:111 (1881). 

 Triodia Schaffneri S. Wats. Proc. Amer. Acad. 18:181 (1883). 

 D. BeverchoniV&sej, Bull. Torr. Club, 13: 118 (1886). 



Ca?spitose; culms erect, simple, 10-25 cm. high. Blades mostly 

 from sterile shoots, numerous, setaceous, smooth, 2-10 cm. long. 

 Raceme simple, spikelike, 5-8 cm. long. Spikelets sessile, ap- 

 pressed, mostly imbricate, linear-lanceolate, 7-9-flowered, 5-9 mm. 

 long; empty glumes linear, 1-nerved, rather obtuse, comin-essed ; 

 first 2 mm. long, second 2.5 mm. long; floral glume ovate-lanceolate, 

 3-nerved, slightly pubescent on the base and on the rachis, lateral 

 nerves not extending into the obtuse lobes, awn 0.5 mm. long; 

 palea contracted at the base appearing stalked. 



Texas (Lano County), lieverchon 1613, Nealley; Mexico, 

 Pringle 3267. 



5. L. viscida (Scribn.). D. viscida Scribn. Bull. Torr. Club, 

 10:30(1883). 



Similar in habit and inflorescence to L. fascicularis, but usu- 

 ally smaller throughout and '^ covered with acrid viscid glands," 

 and often more or less tinged with light red or purple. Culms 5-40 

 cm. high. Sheaths loose. Panicle 2-8 cm. long, terminal or ses- 

 sile in the axils of the leaves, mostly enclosed by the inflated 



