Part 2, 1912] POACEAE 171 
. XXXVI. Norata. 
Spikelets 1.5 mm. long or less. 
Spikelets circular, glabrous, often papillose. 93. P. multicaule. 
Spikelets obovate, pubescent. 94. P. clavuliferum. 
Spikelets 2 mm. long or more. 
Spikelets 2.7-4 mm. long. 95. P. notatum. 
Spikelets 2-2.5 mm. long. 96. P. minus. 
XXVII. Disticwa. 
Spikelets ovate, 2,5-3 mm. long, the convex side appressed-pubescent. 97. P. distichum. 
Spikelets ovate-lanceolate, 3-4 mm. long, glabrous. 98. P. vaginatum. 
XXVIII. LInearia. 
One species. 99. P. lineare. 
XXIX. FASCICULATA. 
One species. 100. P. fasciculatum. 
XXX. ERIANTHA. 
One species. 101. P. erianthum. 
XXXI. HUMBOLDTIANA. 
One species. 102. P. Humboldtianum., 
XXXII. PECTINATA. 
One species. 103. P. pectinatum. 
XXXIII. SacCHAROIDEA. 
One species. 104. P. saccharoides. 
1. Paspalum elongatum Griseb. Abh. Ges. Wiss. Gott. 19: 260. 1874. 
Stems up to I m. tall or more; leaves pubescent or glabrous; blades 1-2 dm. long, 6-15 
mm. wide; panicle 1-2 dm. long, of 10-15 spreading or ascending racemes, the rachis with 
scattered hairs; spikelets in pairs, 2-2.5 mm. long, elliptic, obtuse, the first and second scales 
wanting, the third scale herbaceous, glabrous, 3-nerved, the fruiting scale prominently 5-ridged, 
papillose-striate. 
TYPE LOCALITY: In valleys near Ascochinga, Cordoba, Argentina. 
DISTRIBUTION : Yucatan; also in South America. 
ILLUSTRATION: Field Columb. Mus. Publ. Bot. 3: 27, f. 
2. Paspalum cymbiforme Fourn. Mex. Pl. Gram. 5. i881. 
Stems up to 8 dm. tall, branched, glabrous, the nodes usually pubescent; leaf-sheaths 
glabrous, crowded and overlapping below; blades flat or the upper ones involute, 8-15 cm. 
long, 5-7 mm. wide, glabrous, long-acuminate; inflorescence 8-10 cm. long, of 2 or 3 racemes 
4-6 cm. long, the rachis with brown wings about 0.5 mm. wide; spikelets 2.5-3 mm. long, 
elliptic, acute, the first scale wanting, the second and third scales 3-nerved, the second ciliate 
on the lateral nerves with very long stiff hairs and pubescent on the internerve near the base. 
TYPE LOCALITY: Mirador, Vera Cruz. 
DISTRIBUTION : Mexico and Guatemala. 
3. Paspalum heterotrichon Trin. Ic. J/. 285. 1836. 
Paspalum heterotrichum paucispicatum Hack. Notizbl. Bot. Gart. Berlin 1: 328, 1897. 
Stems up to 8 dm. tall, tufted; leaf-sheaths glabrous, excepting the usually ciliate margin; 
blades spreading or ascending, up to 1.5 dm. long, 2-3 mm. wide, flat, often involute on the 
margins, glabrous, with a ring of long hairs back of the ligule; racemes commonly 3-7, rarely 1 or 
2, 3-7 cm. long, the brown wings 1-1.5 mm. wide; spikelets barbed at the base, elliptic, 2-2.5 
mm. long, the first scale wanting, the second 2-nerved, the nerves marginal and ciliate with 
two kinds of hairs, one stouter than the other, the midnerve faint or wanting, the third scale 
ciliate only at the apex, faintly 3-nerved, the fruiting scale shorter than the outer scales. 
TYPE LOCALITY: Brazil. : 
DISTRIBUTION : Haiti; also in Colombia and Brazil. 
ILLUSTRATION: Trin. Ic. Al. 285. 
4, Paspalum stellatum Fltigge, Gram. Monog. 62. 1810. 
Paspalum cujabense Trin. Ic. pl. 284. 1836. 
Stems up to 8 dm. tall, tufted; leaf-sheaths glabrous or pubescent; blades up to 2 dm. 
long, 2-4 mm. wide, involute above, glabrous or hirsute; racemes conjugate in pairs at the 
