326 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
LEEWARD IsLAaNps: Guadeloupe, Duss 3175, 3176, 3920; Hitch- 
cock 16412 (Amer. Gr. Nat. Herb. 711); L’Herminier 61. 
2. Echinochloa polystachya 
CH ae) Slee 
Contrib. U. S. Natl. 
Herb; 222° 135: "1920: 
Oplismenus polystachyus © 
iH. B. Ko Noy. Gen set 
Sp. 1: 107. 1815. Colom- 
bia. 
Panicum spectabile Nees, 
in) Crin.. Gram. Pane dss: 
1826. “Braval. 
Echinochloa  spectabilis 
Link, Hort. Berol. 2: 209. 
1833. 
Perennial, usually in 
colonies; culms coarse, 1 
to 2 m tall, from a long 
creeping rooting base, gla- 
brous; nodes densely hispid 
with appressed yellowish 
hairs; sheaths glabrous or 
papillose-hispid; ligule a 
dense line of stiff yellowish 
hairs as much as 4 mm 
long; blades as much as 2.5 
em wide, scabrous on the 
FIGURE 297.—Echinochloa pyramidalis, X1 (Duss 3175). | Margins and upper surface; 
panicle 10 to 30 cm long, 
rather dense; racemes ascending, the lower mostly 3 to 6 cm long, 
densely hispid at base, the rachis very scabrous and more or less 
papillose-hispid ; spikelets rather 
closely set, nearly sessile, 
about 5 mm long; sterile floret 
staminate, the awn 2 to 10 
mm long; fruit rather soft, 
about 4 mm long, extending 
into a point about 0.5 mm long 
(fic. 298). 
Marshes and ditches near the 
coast, Mexico, and the West 
Indies to Argentina. 
Cusa: Habana, Léon 4168; 
Ekman 13524. Almendares, 
Ekman in 1921. Sierra de 
Imias, Léon 12451 (cultivated). 
Habana, Ekman 13405. 
JAMAICA: Savanna-la-Mar, 
Hitchcock 9868. 
Haiti: Dessalines, Ekman H 
8532. Port-Margot, Ekman H 
A798. 
Dominican ReEpusiic: San 
: . FIGURE 298.—Echinochloa polystachya, X 1 
Francisco de Macoris, Ekman H (Pittier 4383). 
