Part 2, 1912] POACEAE 159 
the lower ones usually on long peduncles, the rachis very nearly glabrous to hirsute; spikelets 
4-5 mm. long, acute, ovate, the first scale wanting, the second and third scales appressed- 
hirsute, except at the apex, about equal, the fruiting scale about three fourths as long as the 
spikelet, puberulent at the apex, papillose-roughened, apiculate or with a very short hispidu- 
lous awn. 
TYPE LOCALITY: Florida. 
DISTRIBUTION : Southern Georgia and Florida. 
ILLUSTRATIONS: Bull. U.S. Dep. Agr. Agrost. 7: f. 34; 20: f. 22. 
6. Eriochloa punctata (1,.) Desv.; Hamilt. Prodr. 5. 1825. 
Milium punctatum U,. Syst. Nat. ed. 10. 872. 1759. 
Paspalum punciatum Fligge, Gram. Monog. 127. 1810. 
Piptatherum punciatum Beauv. Agrost. 168,173. 1812. 
Ocdipachne punctaia Link, Hort. Berol.1: 51. 1827. 
Helopus punctatus Nees, Agrost. Bras. 16. 1829. 
flelopus mollis C. Muell. Bot. Zeit. 19: 314. 1861. 
? Helopus gracilis ourn. Mex. Pl. Gram. 13. 1881. 
Annual. Stems up to 1 m, tall, pubescent at or near the nodes and below the inflorescence, 
or occasionally all over; leaves commonly glabrous, sometimes pubescent; blades up to 2.5 dm. 
long and 2 cm. wide; inflorescence 1-2 dm. long, its axis pubescent, rarely glabrous; racemes 
commonly numerous, erect, 1-6 cm. long, the rachis usually pubescent, rarely glabrous; spikelets 
4-5 mm. long, acute, the first scale wanting, the second and third scales appressed-hirsute 
below, acute, sometimes awn-pointed, about equal, or the second a little longer, the fruiting 
scale one half to two thirds as long as the spikelet, elliptic, papillose-roughened, obtuse, bearing 
a hispidulous awn 0.5-1.25 mm. long. 
TYPE LOCALITY: Jamaica. 
x DISTRIBUTION: Mississippi to Kansas and Mexico; West Indies; also in tropical South 
merica. 
ILLUSTRATIONS: Bull. U. S. Dep. Agr. Agrost. 7: 7.35; Britt. & Brown, Ill. Fl. f. 239. 
7. Eriochloa filifolia Hitchc. Contr. U. S. Nat. 
Herb. 12: 207. 1909. 
Perennial. Stems up to 2 dm. tall, glabrous, slender; leaves glabrous, striate; blades 
convolute, those on the innovations 4-8 cm. long, those on the stem shorter; inflorescence 
usually of 2 racemes, the axis glabrous; racemes 1-2 cm. long, the minutely pubescent rachis 
very slender; spikelets about 3.5 mm. long, narrowly ovate, acuminate, the first scale wanting, 
the second and third scales about equal, appressed-hirsute, the fruiting scale about half as long 
as the spikelet, not shining, papillose-roughened, elliptic, obtuse, bearing a hispidulous awn 
about half its length. 
TYPE LOCALITY: Jata Hills near Guanabacoa, Cuba. 
DISTRIBUTION: Central and western Cuba. 
8. Eriochloa sericea (Scheele) Munro; Vasey, Bull. U. S. Dep. Agr. 
Bot. 12’: p/. 7. 1890. 
Paspalunt racemosum Nutt. Trans. Am. Phil. Soc. II. 5: 145. 1834. Not P. racemosum Lam. 
ee seviceum Scheele, Linnaea 22: 341. 1849, 
Helopus junceus C. Muell. Bot. Zeit. 19: 314. 1861. 
Perennial. Stems tufted, glabrous, except at the puberulent nodes and below the in- 
florescence, up to 1 m. tall, simple; leaves pubescent or glabrous, flat, folded, or convolute, 
up to 2 dm. long and 5 mm. wide, those on the innovations longer and narrower, those on the 
stem shorter and broader; inflorescence 1-2 dm. long, the axis pubescent; racemes appressed, 
2-4 em. long, the rachis pubescent, the pedicels very short, bearing at the apex numerous 
long stiff hairs from half to as long as the spikelet; spikelets 4-4.5 mm. long, elliptic, acute, the 
first scale wanting, the second and third scales appressed-hirsute, equal, acute, the fruiting 
scale from four fifths to nearly as long as the spikelet, papillose-roughened, obtuse, usually 
apiculate. 
TYPE LOCALITY: Near New Braunfels, Texas. 
DISTRIBUTION: Oklahoma, Louisiana, and Texas. 
ILLUSTRATIONS: Bull. U.S. Dep. Agr. Bot. 121: 7. 17; Bull. U. S. Dep. Agr. Agrost.17: f. 338. 
