THE GRASSES OF BRITISH HONDURAS AND THE PETEN, GUATEMALA 149

 Plants perennial, erect; panicles large, the branches somewhat
 spreading ...___ 5. E. domingensis
Panicles open, the very slender widely spreading branches naked
 below _.. 6. E. lliottii

1. Eragrostis ciliaris (L.) R. Br. in Tuckey, Narr. Exp. Congo App. 478. 1818.
 Annual; culms slender, tufted, usually decumbent at the base, mostly
10 to 30 cm. tall; blades 5 to 8 cm. long, 1 to 3 mm. wide, attenuate-pointed;
panicles dense, spikelike, interrupted at the base, 3 to 8 cm. long; spikelets
2 to 3 mm. long, 6 to 10 flowered. Waste places, usually in sandy ground,
in tropical regions of both hemispheres.
 BarnsH HONDURAS. Corozal District: San Antonio, Lundell 4954.
Orange Walk District: Honey Camp, Lundell 360, 597. Stann Creek Dis-
trict: Stann Creek, Schipp 888.
 GUATEMAxL. Peten: La Libertad, Lundell 2641; Aguilar 346. Lake
Pet6n, Lundell 3855.
2. Eragrostis hypnoides (Lam.) BS.P. Prel. Cat. N. Y. 69. 1888.
 Annual, stoloniferous, forming dense mats; culms 5 to 10 cm. tall, blades
1 to 2 cm. long, stiffly spreading, flat or becoming loosely involute; panicles
dense, subeapitate, 1 to 2 cm. long, nearly as broad; spikelets several to
many flowered, pale, 5 to 12 mm. long; lemmas 1.5 to 2 mm. long, acute.
Lake shores, stream banks, ditches, and wet places, United States to Brazil.
 BRmTISH HONDURAS. Belize District: Gracie Rock, Gentle 1592. Sibun
River, Peck 413.
 GUATEMALA. Pet6n: La Libertad, Lundell 2522.
3. Eragrostis maypurensis (H.B.K.) Steud. Syn. Pl. Glum. 1: 276. 1854.
 Annual; culms erect from a decumbent base, 20 to 40 cm. tall; blades
mostly basal, narrow, erect, involute pointed, hairy or subglabrous; panicles
8 to 12 cm. long, the short stiff branches appressed to widely ascending,
pilose in the axils; spikelets short-pedicellate, 6 to 10 mm. long, spreading,
pale, tinged with purple. Pine ridges, open ground, and waste places,
Mexico to Brazil and Bolivia.
 BRTISH HONDURAS. Belize District: Belize, Bartlett 11257. Sibun River,
Smart 72. Maskall Pine Ridge, Gentle 1093. El Cayo District: Mountain
Pine Ridge, Bartlett 11647. Stann Creek District: All Pines, Schipp 788.
4. Eragrostis acutiflora (H.BK.) Nees, Agrost. Bras. 501. 1829.
 Perennial; culms tufted, erect, 15 to 60 cm. tall; blades 5 to 20 cm. long,
2 to 4 mm. wide, acuminate, firm, sparingly pilose; panicles mostly 8 to
15 cm. long (rarely 30 cm.), the branches stiffly ascending, the axils pilose;
spikelets crowded, short-pedicellate, appressed, 4 to 5 mm. long; lemmas
acute or somewhat acuminate, about 2 mm. long. Open fields, ditches, and
pine ridges, usually in wet places, British Honduras to Brazil and Bolivia.
 BRITISH HONDURAS. Belize District: Bakers Pine Ridge, Lundell 3816.
Manatee Lagoon, Peck 281, 281a. Gracie Rock, Gentle 1615. Stann Creek
District: All Pines, Schipp 788.
 GUATEMALA. Petin: La Libertad, Lundell 3605.
5. Eragrostis domingensis (Pers.) Steud. Syn. PI. Glum. 1: 278. 1854. HAT Gasss.
 Perennial; culms erect in rather large, loose clumps, 1 to 2 m. tall;
blades flat to loosely involute, elongate, attenuate to a fine point, 2 to 5 mm.