Paspalum setaceum var. setaceum

Paspalum eggertii Nash, Bull. N. Y. Bot. Gard. 1 : 434. 1900
A tufted branched perennial with flat glabrous leaf -blades and pubescent spikelets. Stems 4^6 dm. tall; leaf -sheaths somewhat compressed, the basal ones usually pubescent, the others ciliate on the margin; blades flat, the lower ones 5-10 cm. long, or in robust forms sometimes 2 dm., 6-10 mm. wide, of medium texture, glabrous, lanceolate to linear-lanceolate; racemes usually in pairs on the main stem and generally single on the branches, the former long-exserted, the latter partly included or somewhat exserted, 4-6 cm. long, the rachis about 0.5 mm. wide; spikelets in pairs, about 2.2 mm. long, oval or a little obovate, the first scale wanting, the second scale pubescent with spreading hairs, 3-nerved, the third scale more sparingly pubescent or glabrous, often 2-nerved by the suppression of the midnerve, the fruiting scale about one half as thick as broad, yellowishwhite.
Type locality : Arkansas.
Distribution : Georgia and Florida to Texas.

Paspalum muhlenbergii Nash, in Britton, Man. 75. 1901
Paspalum ciliatifolium I^e Conte, Jourt de Phys. 91 : 284. 1820. Not P. ciliatifoUum Michx. 1803.
A tufted branched perennial, with pubescent narrow leaf-blades and glabrous spikelets. Stems at first erect, finally reclining, 4—8 dm. long, smooth and glabrous; leaf -sheaths generally pubescent all over with long hairs; or sometimes only on the margins; blades 2 dm. long or less, rarely longer, usually 7-11 mm. wide, or sometimes narrower, linear to linear-lanceolate, flat, of medium texture, more or less pubescent on both surfaces with long hairs, ciliate on the margins with generally long hairs; racemes single or in 2's, 5-10 cm. long, straight or curved, the rachis less than 1 mm. wide; spikelets in pairs, on shorter puberulent pedicels, about 2 mm. long and 1.8 mm. wide, oval or broadly obovate, glabrous or rarely pubescent, the first scale wanting, the second and third scales 3-nerved, or the third one rarely 2-nerved by the suppression of the midnerve, the fruiting scale yellowishwhite.
Type locality : Van Cortlandt Park, New York City.
Distribution : New Hampshire to Oklahoma, and south to Florida and Texas.

Paspalum psammophilum Nash ; Hitchc
Rhodora 8: 205. 1906.
Paspalum prostraium Nash, in Britton, Man. 74. 1901. Not P. prostratum Scribn. & Merr. 1901.
A tufted branched softly pubescent perennial with prostrate stems, forming dense mats, flat leaf-blades, and densely pubescent spikelets. Stems 5-8 dm. long; leaf-sheaths softly and densely pubescent with short hairs; blades 3-10 cm. long, 5-8 mm. wide, lanceolate, erect or nearly so, of medium texture, softly and densely pubescent on both surfaces, ciliate on the margins; racemes on the main stem 2, rarely more or only 1, 5-8 cm. long, the rachis less than 1 mm. wide; spikelets in pairs, about 2 mm. long and 1.8 mm, wide, oval, densely pubescent, the first scale wanting, the second and third scales 3-nerved, or the third usually 2-nerved by the suppression of the midnerve, the fruiting scale yellowishwhite.
Type locality : [Kingsbridge,] New York City. Distribution : Massachusetts and New York to Delaware.

Paspalum ciliatifolium Michx. FL Bor. Am. 1 : 44. 1803
Paspalum dehile Ell. Bot. S. C. & Ga. 1 : 105. 1816. Not P. debile Michx. 1803. Paspalufn seiaceum ciliaiifolium Vasey, Contr. U. S. Nat. Herb. 3 : 17. 1892. Paspalum blepharophyllum Nash, in Small, Fl. SE. U. S. 71. 1903.
A tufted branched perennial, with flat ciliate leaf-blades, and glabrous spikelets. Stems 4-8 dm. tall; leaf-sheaths rather loose, glabrous, or ciliate on the margin; blades 2.5 dm. long or less, 6-15 mm. wide, flat, linear to lanceolate, smooth and glabrous on both surfaces, conspicuously ciliate with long hairs on the margins, and with a row of stiff erect hairs at the base just back of the ligule; racemes single, or sometimes in 2's, 5-11 cm., long, usually more or less curved, the rachis 1 mm. wide or less; spikelets in pairs, 1.8-2.1 mm. long, 1.5-1.8 mm. wide, oval to broadly obovate, glabrous, the first scale wanting, the second and third scales 3-nerved, or the third rarely 2-nerved by the suppression of the midnerve, the fruiting scale yellowish -white.
Type locality : Carolina.
Distribution: Maryland to Colorado, and south to Florida, Texas, and Sonora; also in Bermuda.

Paspalum bushii Nash, in Britton, Man. 74. 1901
A tufted branched pubescent perennial, with fiat ciliate leaf-blades and pubescent spikelets. Stems erect or ascending, 4-10 dm. tall; leaf-sheaths, at least the lower ones, softly pubescent, ciliate on the margins; blades 5-20 cm. long, 5-15 mm. wide, lanceolate, erect or ascending, flat, rather firm in texture, softly and densely pubescent on both surfaces with short hairs more or less intermixed with long rather stiff hairs, ciliate on the margins; racemes usually in pairs on the main stem, 6-12 cm. long, the rachis less than 1 mm. wide; spikelets in pairs, 2-2.2 mm. long, 1.4—1.7 mm. wide, oval, the first scale wanting, the second and third scales densely pubescent, 3-nerved, or the third scale sometimes 2-nerved by the suppression of the midnerve, the fruiting scale yellowishwhite.
Type locality : [Bernie,] Missouri.
Distribution : Illinois to Nebraska, and south to Texas and Mexico.

Paspalum rigidifolium Nash, Bull. N. Y. Bot
Gard. 1 : 292. 1899.
A tufted branched nearly glabrous perennial, with narrow flat stiff leaf-blades. Stems 3-8 dm. tall; leaf -sheaths rather loosely embracing the stem, the basal ones softly pubescent with rather long spreading hairs; blades 2 dm. long or less, 3-5 mm. wide, elongate, narrowly linear, erect or ascending, flat, firm, glabrous with the exception of a row of erect stiff hairs just back of the ligule, rarely sparingly hispid or ciliate; racemes single, or rarely in 2's, 6-13 cm. long, straight or nearly so, the rachis about 1 mm. wide; spikelets in pairs, 2-2.5 mm. long, 1.7-2 mm. wide, oval or broadly obovate, on shorter glabrous or nearly glabrous pedicels, the first scale wanting, the second scale glabrous, or more or less pubescent with short spreading hairs, 5-nerved, the third scale glabrous, 5-nerved, or sometimes 4-nerved by the suppression of the midnerve, the fruiting scale triangular in crosssection, yellowish-white.
Type locality : Eustis, Lake County, Florida. Distribution : District of Columbia ; Florida to Texas ; Cuba.