ParRT 2, 1912] POACEAE 177 
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 suppres- 
sion of the midnerve, the fruiting scale yellowish-white. 
TYPE LOCALITY: Van Cortlandt Park, New York City. 
DISTRIBUTION : New Hampshire to Oklahoma, and south to Florida and Texas. 
ILLUSTRATION : Britt. & Brown, Il. Fl. £ 232. 
24, Paspalum pubescens Muhl.; Willd. Enum. Hort. 
Berol. 89. 1809. 
A tufted branched perennial, with flat pubescent leaf-blades and glabrous spikelets. 
Stems 4-8 dm. tall, long-hirsute below the racemes; leaf-sheaths glabrous, or sometimes 
pubescent on the margins or toward the apex, the basal ones sometimes pubescent all over; 
blades 2.5 dm. long or less, 3-6 mm. wide, rarely broader, linear, flat, of medium texture, 
strongly pubescent on both surfaces with long spreading rather stiff hairs arising from pa- 
pillae, if ciliate on the margins the hairs short; raceme usually 1, rarely 2 on the main stem, 
generally straight, or sometimes a little curved, 6-12 cm. long, rarely shorter; spikelets in 
pairs, on shorter puberulent pedicels, about 2 mm. long and 1.5-1.8 mm. wide, broadly obovate, 
glabrous, the first scale wanting, the second and third scales 3-nerved, or the third 2-nerved 
by the suppression of the midnerve, the fruiting scale yellowish-white. 
TYPE LOCALITY : Carolina. 
DISTRIBUTION : Connecticut and New York to Mississippi and Texas, 
25. Paspalum debile Michx. Fl. Bor. Am. 1: 44. 1803. 
Paspalum villosissimum Nash, Bull. Torrey Club 24: 40. 1897. 
A tufted branched yellowish-green perennial with rather stout stems, flat leaf-blades 
which are pubescent with long hairs and crowded at the base of the stem, and pubescent 
spikelets. Stems 4-10 dm. tall; leaf-sheaths very densely pubescent with long white spreading 
hairs; blades 2 dm. long or less, 3-10 mm. wide, linear-lanceolate to lanceolate, truncate or 
slightly rounded at the base, flat, thick; pubescent with very long white hairs; racemes single, 
rarely with an additional one below, slender, usually strict or the longer a little curved, 7-11 
em. long, the rachis about 0.5 mm. wide; spikelets in pairs, on hispidulous pedicels about one 
half their length, 1.5-1.8 mm. long, 1.5 mm. wide, broadly obovate, the first scale usually 
wanting, rarety present, the second and third scales densely pubescent with spreading glandular- 
tipped hairs, the second scale 3-nerved, the third 2-nerved, or the midnerve very rarely present, 
the fruiting scale yellowish-white. 
TYPE LOCALITY: Carolina. _ : 
DISTRIBUTION : South Carolina to Florida and Texas. 
26. Paspalum supinum Bosc; Poir. in Lam. Encye. 5: 29. 1804. 
Paspalum hirsutum Poir, in Lam. Encye. 5: 28. 1804. Not P. hirsuium Retz. 1781. 
Paspalum dasyphyllum Ell. Bot. 8. C. & Ga.1: 105. 1816. 
Paspalum setaceum supinum Trin. Ic. pl. 130. 1828. 
Paspalum ciliatifolium dasyphylium Chapm. FI. S. U.S. ed. 3. 578. 1897. 
A tufted branched yellowish-green perennial, with flat leaf-blades which are pubescent 
with long yellowish hairs, and pubescent spikelets. Stems 2-6 dm. tall, stout; leaf-sheaths 
densely pubescent with long spreading yellowish hairs; blades 2 dm. long or less, usually 1-2 
cm. broad, sometimes a little narrower, lanceolate, flat, thick, densely pubescent with long 
spreading yellowish hairs; racemes usually but little exserted, on the main stem in 2’s or 
3’s, single on the branches, 4-10 cm. long, rather stout, the rachis about 1 mm. wide; 
spikelets in pairs, on shorter puberulent pedicels, 2-2.2 mm. long and about 1.8 mm. wide, 
broadly obovate, the first scale wanting, the second usually pubescent with spreading glandular- 
tipped hairs, sometimes glabrous, 3-nerved, the third glabrous, usually 2-nerved, sometimes 
3-nerved, the fruiting scale yellowish-white. 
TYPE LOCALITY: Carolina. ae ; 
DISTRIBUTION : South Carolina to Illinois, and south to Florida and Texas. 
ILLUSTRATION: Trin. Ic. p/. 130. 
