MANUAL OF THE GRASSES OF THE WEST INDIES 201 
Purrto Rico: Mona Island, Hess 439. Mayaguez, Chase 6307; 
Sintenis 6857. Santurce, Chase 6343. Humacao, Eggers 691. 
Vieques Island, Chase 6694. ; 
VirGin IsuaNnps: St. Croix, Benzon; Paulsen 313. 
Lrewarp Isitanps: Antigua, Hitchcock 16383. Guadeloupe, Hitch- 
cock 16409. 
WINDWARD Istanps: Martinique, Duss 545 in part; Sieber 20, 367. 
Barbados, Bot. Station Herb. 277. 
TRINIDAD: Port-of-Spain, Hitchcock 10050. San Fernando, Hitch- 
cock 10108. Cedros, Hitchcock 10139. 
Toxsaco: Scarborough, Broadway 4655; Hitchcock 10287. Studley 
Park, Broadway 3045. 
8. Paspalum distachyon Poit.; Trin., Mém. Acad. St. Pétersb. VI. 
Sci. Nat. 1: 142. 1834. Santo Domingo. 
Culms erect, 15 to 40 cm tall, slender, wiry, 
with hard yellow rhizomes; blades 6 to 15 cm 
long, 1 to 2 mm wide, drying involute; racemes 
2, 1.2 to 5 cm long, erect; spikelets about 3 mm 
long (fig. 130). 
Moist or dry brackish or 
alkaline soil, mostly near 
the coast, West Indies. 
Cusa: Habana, Léon 
2614, 2783. Ciénaga de 
Zapata, Léon 9534. Bara- 
sud, Hitchcock 23340, 23341. 
Tiffin, Shafer 2874, 2905. 
Guantinamo, Hioram 12. 
Jamaica, Hioram and Bap- 
tiste 1289. Jticaro, Léon 
15639, 15641. Isla de Pinos, 
Ekman 12423. 
Jamaica: Montego Bay, 
Hitchcock 9678. Savanna- 
la-Mar, Hitchcock 9864. 
Black River, Harris 12548; 
Hitchcock 9642. Inverness, 
Harris 11695, 12716. 
Hartt: Cape Haitien, 
FIGURE 130.—Paspalum 9 FIGURE 131.—Paspelum dis- 
distachyon. Panicle, X 1; Ekman H oes 13) 2756. tichum. Panicle, X 1; two 
De een ee Ont erinces Pee AO ner enneounge 
’ ry tene Cue A 
cock 9678). DoMINICAN REPUBLIC: 
Santiago, Hkman H 16536. 
Lrewarp Istanps: Dominica (probably Povteau). 
9. Paspalum distichum L., Syst. Nat. ed. 10. 2: 855. 1759. Jamaica. 
KNOTGRASS. 
Widely creeping perennial with slender rhizomes, extensively 
stoloniferous; flowering culms 6 to 50 cm tall; blades flat, 3 to 12 cm 
long, 2 to 6 mm wide; racemes usually 2, rarely as many as 4, erect 
to reflexed, commonly incurved, 1.5 to 7 cm long; spikelets 2.5 to 3.5 
mm long, acute, the glume minutely appressed-pubescent; first glume 
frequently developed (fig. 131). 
