18 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
Cusa: Banao Mountains, Léon 4026 (sterile); Daiguiri, Ekman 
1570 (fertile); Lomade Gato, Léon 10294, 10294b, 10612 (all sterile). 
Haiti: Ganthier, Ekman H 7752. Petit Goave, Ekman H 6596. 
Mission, Leonard 3691, 3817, 3857, 3951. Morne Cabaio, Ekman H 
1696. Ma Blanche, Hkman H 508. Furcy, Leonard 4641, 4783. 
Morne de la Selle, Buch 1139. 
Dominican Repustic: Constanza, Ekman H 14109. 
Purrto Rico: Maricao, Chase 6201; Sintenis 209; Britton and 
Cowell 4222. Cayev, Chase 6751; Britton and Brown 6542. Adjuntas, 
Chase 6470; Sintenis 4106. Joyuya, Britton and Cowell 953. San 
Narciso, Britton 7300. 
FIGURE 2.—Arthrostylidium sarmentosum. Plant, X 144; spikelet, X 5 (Chase 6730). 
5. Arthrostylidium sarmentosum Pilger, in Urban, Symb. Antill. 4: 
108. 1903. Puerto Rico, Heller 1089; Sintenis 354, 4046; all 
sterile specimens. 
Culms apparently herbaceous, not more than 3 mm thick, high- 
climbing and pendent from trees, as in A. capillifolium; branchlets 
commonly 10 to 15 cm long, leafy, in distant usually dense whorls, 
the foliage pale green, drying glaucous, the divergent blades 3.5 to 
5 cm long, 3 to 5 mm wide, rather thin; inflorescence of numerous 
short-exserted terminal and axillary zigzag racemes of 2 to 5 narrow 
pubescent spikelets (fig. 2). 
Along streams and trails, wet mountain forests, at higher altitudes,. 
Cuba, Hispaniola, Puerto Rico, and Trinidad. Nearly all the specimens 
are sterile. : 
Cusa: South of Sierras de Moa, Shafer 8047. Guantdinamo, 
Ekman 10253. Monte Verde, Léon 3825. Yateras, Maxon 4487a. 
Haiti: Ennery, Leonard 9080a; Ekman H 2517. Marmelade, 
Leonard 8358. Morne Brigaut, Ekman H 2660. St. Louis du Nord, 
