BOTANY OF THE MAYA AREA


1. Olyra yncatana Chase, Proc. Biol. Soc. Washington 21: 178. 1908. Carrizo.
 Perennial; culms in small clumps, simple, erect, about 1 m. tall; blades
unsymmetrical, 10 to 16 cm. long, 2 to 5 cm. wide; short-petiolate, the
petioles hispid; panicles narrow, terminal and axillary, 5 to 10 cm. long;
staminate spikelets 6 mm. long, purple; pistillate spikelets 15 to 25 mm.
long; fruit 7 mm. long. Rich woods, Yucatan to British Honduras and
Guatemala.
 BRITISH HONDURAS. Corozal District: San Antonio, Lundell 4759. Orange
Walk District: Tower Hill Estate, Karling 56. El Cayo District: El Cayo,
Bartlett 11475. Roaring Creek, Lundell 331.
 GUATEMALA. Pet6n: El Paso, Lundell 1574. La Libertad, Lundell 3375,
3497. Hiltun, Lundell 3586. Uaxactun, Bartlett 12167; Monte Santa
Teresa, Lundell 2682, 2768.

2. Olyra latifolia L. Syst. Nat. ed. 10, 2: 1261. 1759. Zit, Carrizo.
 Perennial; culms somewhat woody, usually erect, freely branching, as
much as 5 m. long; blades asymmetrical, lanceolate-oblong, as much as
20 cm. long and 5 mm. wide; panicles ovoid, 10 to 15 cm. long, the branches
stiffly ascending or spreading; fruit 5 to 6 mm. long, glabrous. Rich woods,
Mexico and the West Indies to Bolivia and Brazil.
 BRITISH HONDURAS. Orange Walk District: Tower Hill Estate, Karling
38. Belize District: Manatee Lagoon, Peck 109. Maskall, Gentle 1020.
Gracie Rock, Gentle 1639. El Cayo District: Little Cocquericot, Lundell
3874. Roaring Creek, Lundell 331. El Cayo, Bartlett 11566. Duck Run,
Bartlett 11538. Mountain Pine Ridge, Bartlett 11850. Stann Creek Dis-
trict: Stann Creek Valley, Kinloch 177, 179. Cockscomb Mountains, Schipp
531. Toledo District: Toledo, Peck 533. Without locality, Peck 609.
 GUATEMALA. Pet6n: La Libertad, Lundell 3610; Aguilar 47.

 47. LITHACHNE Beauv.
 1. Lithachne pauciflora (Swartz) Beauv. in Poir. Dict. Sci. Nat. 27: 60. 1823.
 Perennial; culms tufted, slender, woody, 30 to 50 cm. tall, more or less
 geniculate below at the enlarged grooved nodes; lower sheaths bladeless;
 blades flat, asymmetrical, acuminate, 5 to 8 cm. long, 1.5 to 2.5 cm. wide,
 the margins scabrous; panicles terminal and axillary, the terminal wholly
 staminate, the axillary composed of a single terminal pistillate spikelet,
 and 1 to several staminate spikelets below it; second glume and sterile lemma
 of the pistillate spikelet equal, attenuate, about 1 cm. long; fruit 4 to 5 mm.
 long, triangular, white and shining. Moist rich woods, Mexico and the
 West Indies to Argentina.
 BRITISH HONDURAS. El Cayo District: El Cayo, Bartlett 11492. Toledo
 District: Toledo, Peck 507.
 GUATEMALA. Pet6n: La Libertad, Lundell 2328, 3863.

 48. IMPERATA Cyrillo
1. Imperata contract (H.B.K.) Fitchc. Rep. Mo. Bot. Gard. 4: 146. 1893.
 Perennial; culms erect from strong rhizomes, 1 to 1.5 m. tall; blades elon-
gate, about 1 cm. wide, acuminate, narrowed toward the base to little more
than the midrib, ciliate and pilose on the upper surface at the base, the
margins scabrous; panicles silky, as much as 40 cm. long, the short branches