182 NORTH AMERICAN FLORA [VoLuME 17 
4-nerved by the suppression of the midnerve, the third 3-nerved, the fruiting scale white to 
yellowish, about as long as the other scales, broadly oval. 
TYPE LOCALITY: Near Marianao, Province of Havana, Cuba. 
DISTRIBUTION : Province of Havana. 
43. Paspalum rupestre Trin. Linnaea 10: 293. 1836. 
A densely tufted perennial. Stems up to 5 dm. tall, glabrous, slender, simple, or some- 
times branched at the base; leaf-sheaths glabrous or sparingly hirsute; blades up to 1 dm. long, 
4-6 mm. wide, glabrous or sometimes sparingly hirsute, occasionally sparingly ciliate; racemes 
1-3, 2-4 cm. long, straight or curved, erect or ascending, the rachis about 0.5 mm. wide; 
spikelets singly disposed, 1.5 mm. long, 0.9 mm. wide, elliptic, appressed-pubescent, the first 
scale wanting, the second and third scales 3-nerved, the fruiting scale oval, yellowish. 
TYPE LOCALITY: On dry rocks, Cuba. 
DISTRIBUTION: Andros ; Jamaica ; Cuba; Haiti. 
44, Paspalum parviflorum Rohdé; Fliigge, Gram. 
Monog. 98. 1810. 
An annual grass. Stems up to 1.5 dm. tall, erect, branched, the nodes somewhat pilose; 
leaf-sheaths lax, commonly shorter than the internodes, hirsute; blades linear, narrow, flat, 
covered with long spreading hairs; axis of the inflorescence 4-6 mm. long, the axils pilose; 
racemes 2 or 3, 8-14 mm. long, alternate, erect, finally horizontal or reflexed, the rachis strongly 
flexuous, as wide as the spikelets, hispidulous on the margins; spikelets singly disposed, on 
somewhat longer pedicels, elliptic, obtuse, glabrous, the first scale wanting, the second and 
third scales equal, 2-nerved, the fruiting scale yellowish, as long as the spikelet. 
TYPE LOCALITY : Porto Rico. 
DISTRIBUTION : Porto Rico ; also in Brazil. No material of this has been seen, and the above 
is compiled from the original description. 
ILLUSTRATION: Trin. Ic. p/. 116. 
45. Paspalum nanum Wright; Griseb. Cat. Pl. Cub. 230. 1866. 
? Paspalum Lindenianum A. Rich. in Sagra, Hist. Cuba 11: 299. 1850. 
Paspalum caudicatum Wright; Sauv. Anal. Acad. Ci. Habana 8: 205. 1871. 
Stems tufted, up to 6 dm. tall, glabrous, the nodes barbed; leaves papillose-hirsute with 
spreading hairs; blades up to 1.5 dm. long, 3-4 mm. wide, flat; raceme single, or sometimes 
with another a short distance below, 3-8 cm. long, the rachis about 1 mm. wide; spikelets 
singly disposed, 2-2.5 mm. long, 1.5—1.8 mm. wide, oval, glabrous, the first scale wanting, 
the second and third scales transversely wrinkled, 5-nerved, the fruiting scale oval, yellowish. 
TYPE LOCALITY: In savannas, near Hanabana, Province of Matanzas, Cuba. 
DISTRIBUTION: Cuba. 
46. Paspalum laeve Michx. Fl. Bor. Am. 1: 44. 1803. 
Paspalum undulosum Le Conte, Jour. de Phys. 91: 284. 1820. 
Paspalum floridanum Le Conte, Jour. de Phys. 91: 284, 1820. Not P. floridanum Michx. 1803. 
Paspalum angustifolium Le Conte, Jour. de Phys. 91: 285. 1820. 
Paspalum Leconteanum Schultes, in R. & S. Syst. Veg. Mant. 2: 168. 1824. 
Paspalum punctulatum Bertol. Mem. Accad. Sci. Bologna 2: 599. 1850. 
? Paspalum alternans Steud. Syn. Gram. 26. 1854. 
Paspalum laeve undulosum Vasey, Bull. Torrey Club 13: 165. 1886. 
Paspalum laeve angustifolium Vasey, Bull. Torrey Club 13: 165. 1886. 
Paspalum laeve brevifolium Vasey, Contr. U. S. Nat. Herb. 3: 18. 1892. 
Paspalum australe Nash, in Britton, Man. 1039. 1901. 
A nearly glabrous perennial, with few racemes and glabrous spikelets. Stems 3-10 dm. 
tall, tufted; leaf-sheaths glabrous or hirsute on the margins, compressed; blades 2-6 dm. long. 
5-8 mm. broad, flat, glabrous, or the upper surface with a few hairs; racemes 2-6, 3-10 cm, 
long, the rachis less than 1 mm. wide; spikelets singly disposed, 2-3 mm. long and 1.8-2.5 
mm. wide, oval, the first scale wanting, the second and third scales firm, 5-nerved, the lateral 
nerves approximate, the fruiting scale yellowish-green, at least half as thick as broad. 
