24 CONTRIBUTIONS FROM THE NATIONAL, HERBARIUM. 



DESCRIPTION. 



Climbing to a height of 3 or 4 meters, forming a strong central cane, the 

 culms glabrous, the branches solitary or two or three together, elongate; 

 sheaths glabrous except the margin, the collar conspicuously villous; ligule 

 inconspicuous ; blades oblong-ovate or elliptic-lanceolate, 10 to 15 cm. long, 2.5 

 to 4 cm. wide, those of the branches smaller, narrowed at the asymmetric base, 

 abruptly narrowed above to an acuminate point, somewhat papery in texture 

 when dry, glabrous on both surfaces or scabrous above, scabrous on the margin ; 

 panicles open and usually loosely few-flowered, 10 to 20 cm. long, the branches 

 distant and widely spreading, the lower as much as 10 cm. long, flexuous, 

 scaberulous ; spikelets 4 to 5 mm. long, elliptic. 



DISTRIBUTION. 



Climbing among bushes and small trees, West Indies and Mexico to South 

 America. 



San Luis PoTOsf : Las Canoas, Pringle 3808. Tamasopo Canyon, Pringle 3403. 

 Veracruz : Yecoatla. Liebmann 288. Consoquitla, Liebmann 292. Misantla, 



Liebmann 289. Papantla, Liebmann 297. 

 Oaxaca : Cafetal Montecristo, Reko 3474. 

 Nicaragua: Jinotepe, Hitchcock 8673, 8700. 

 Costa Rica : Turrialba, Pittier 9056 ; Tonduz 8319. 

 Cuba : San Diego de los Banos, Ledn 4563, 5148. Sierra Mendoza, Shafer 11147. 



Sierra de Anafe, Wilson 11421. Matanzas, Rugel 872. Hanabana, Wright 



in 1865. Valestina, Wright 3878. Camoa Hills, Ledn 766. Jamaica, Ledn 



1969. Cojimar, Ledn 1973. San Antonio, Hitchcock 128. Guanajay, Baker 



4587. Isle of Pines, Britton & Wilson 15134. 

 Jamaica: Constant Spring, Amer. Gr. Nat. Herb. 590; Hitchcock 9280. Troy, 



Hitchcock 9801. Ipswich, Hitchcock 9606. Bog Walk, Amer. Or. Nat. Herb. 



591. Ewarton, Hitchcock 9413. Bryans Hill, Harris 11531. Gordon Town, 



Harris 11454. Halls Delight, Harris 11260. Ferry River, Harris 11325. 

 Santo Domingo : Without locality, Wright, Parry c£ Brummel 614. 

 Porto Rico: San Juan, Chase 6412. Mayaguez, Chase 6824, 6825. Vieques, 



Shafer 2549, 2570. 

 Leeward Islands : Dominica, Jones 49. 

 Windward Islands: St. Vincent, Eggers 6546. Grenada, Broadioay 947, 1385, 



4666, 4674a. 

 Trinidad : Manzanilla, Hitchcock 10374. 

 Colombia : Santa Marta, Smith 2145, 2148 in part. 



Explanation of Plate 20. — Lasiacis sloanei. Specimen from Ewarton, Jamaica, Hitch- 

 cock 9413 (U. S. Nat. Herb. no. 075676). Natural size. 



12. Lasiacis patentiflora Hitchc. & Chase. 



Lasiacis patentiflora Hitchc. & Chase, Contr. U. S. Nat. Herb. 18: 338. 1917. 

 " Type in the U. S. National Herbarium, no. 865566, collected in the edge of 

 woods on a mountain side, center of the island of Tobago, December 20, 1912, by 

 A. S. Hitchcock (no. 10268)." 



DESCRIPTION. 



High-climbing, with a strong central cane as much as 8 mm. thick, the plant 

 glabrous throughout except at the summit of the sheaths ; branches numerous, 

 solitary, widely spreading and finally repeatedly branching, the branches, and 

 branchlets straight or arcuate, divergent at a rather narrow angle ; sheaths 



/ 



