GRASSES OF PorTo RIco ait 
7. PASPALUM ORBICULATUM Poir. in Lam. Encycl. §: 32. 1804. 
Paspalum pusillum Vent.; Fluegge, Gram. Mon. 100. 1810. 
Wet banks, south of San Juan, Heller 664. 
8. PASPALUM FIMBRIATUM H.B.K. Nov. Gen. & Sp. 1: 93, fu. 
28. 1815. 
In ditch, Coamo to Ponce, Underwood and Griggs 576; Ponce, 
Heller 6219. 
9. Paspalum Portoricense sp. nov. 
A low tufted nearly glabrous slender perennial. Stems about 
1 dm. tall, glabrous, with the exception of a few hairs at the nodes, 
simple : leaves 2 or 3; sheaths glabrous, usually shorter than the 
internodes and shorter than the blades ; ligule scarious, acute, 1-2 
mm. long; blades ascending, flat, rather thin, the upper surface 
with some long hairs at the very base and a few scattered ones 
elsewhere, sparingly ciliate on the margins, the lower surface glab- 
rous, linear, acuminate at the apex, usually more or less narrowed 
toward the base: inflorescence very slender, about 2 cm. long, of 
I or 2 erect branches: spikelets in pairs, one on a long and the 
other on a short pedicel, elliptic, 1.8 mm. long and 0.7 mm. wide, 
usually purplish tinged, glabrous, the first and second scales 
3-nerved, the third scale greenish-white, a little shorter than the 
outer scales, obtuse. 
Type collected between Aibonito and Cayey, February 8, 
1899, by Heller, no. 524. 
10. PAsPALUM ConJUGATUM Berg. Act. Helv. '7: 129, fl.8. 1772: 
Near Mayaguez, Heller 4397; Mayaguez to Joyua, Under- 
wood and Griggs 175 ; Luquillo Mts., Wilson 159. 
1o. ANASTROPHUS Schlecht. Bot. Zeit. 8: 681. 1850. 
1. ANASTROPHUS CoMPRESSUS (Sw.) Schlecht. ; Doell. in Mart. Fl. 
Oras 2" 103. 1877: 
Milium compressum Sw. Prod. 24. 1788. 
Rio Blanco, Blauner. 
11. ISACHNE R. Br. Prod. 196. 1810 
1. Isachne angustifolium sp. nov. 
A prostrate leafy branching perennial, forming large mats, 
with narrow leaf-blades and rather small panicles. Stems I m. 
long or less, glabrous or very sparingly pubescent below, the 
