MANUAL OF THE GRASSES OF THE WEST INDIES Byei 
12318. Sanchez, Taylor 66. Rincon, Fuertes 1419. Jaina, Ekman 
12473; Faris 100, 400. Santiago, Ekman H 16392. 
Puerto Rico: Mayaguez, Chase 6290, 6319. Bayamon, Hioram 
324 in part. Caguas, Sintenis 2543. Lares, Chase 6583. 
LEEWARD Istanps: Antigua, Wullschlaegel 635; Box 110. 
Winpwarp Istanps: Martinique, Duss 542. St. Lucia, Bor 198. 
Tosaao: Broadway 4896; Hitchcock 10284. 
3. Echinochloa colonum (L.) Link, Hort. Berol. 2: 209. 1833. 
J UNGLE-RICE. 
Panicum colonum L., Syst. Nat. ed. 10. 2: 870. 1759. Jamaica. 
Milium colonum Moench, Meth. Pl. 202. 1794. 
Oplismenus colonus 
H. B. K., Nov. Gen. et Sp. 
OSe | PSG. 
Pamcum zonale Guss., 
Mise penodiet: O24 S27, 
Sicily. 
Panicum colonum var. 
zonale L. H. Dewey, 
Contrib. U. S. Nat. Herb. 
2: 502. 1894. 
Echinochloa colonum var. 
zonalis Woot. and Standl., 
N. Mex. Coll. Agr. Bull. 
O24. 1912, 
Annual, usually much 
branched at base; culms 
prostrate-spreading, ascend- 
ing or erect, usually 20 to 
40 cm long, glabrous; 
sheaths glabrous; blades 
rather lax, 5 to 10 cm long, 
rarely longer, 3 to 6 rarely 
10 mm wide, somewhat 
scabrous on the margin, 
occasionally bearing trans- 
verse purple bands (zonate); 
panicles 5 to 10 or even 15 
cm long; racemes several, 1 
to 2 cm long, rarely longer, 
appressed or ascending, the 
lower usually distant as FIGURE 299.—Echinochloa colonum, X 1 (Bentley). 
much as 1 cm; spikelets 
about 3 mm long, crowded, nearly sessile, in about 4 rows; awn reduced 
to a short point (fig. 299). 
Ditches and moist places, a common weed in the warmer parts of 
both hemispheres; introduced in the Americas where it is found from 
Virginia and Missouri to Argentina; originally described from India, 
the type being, however, from Jamaica, collected by Patrick. Browne. 
The word “colonum”’ appears to be a genitive plural. To be found 
on probably all the islands.” 
79See Hitchcock, Contrib. U. S. Natl. Herb. 17: 256. 1913. 
