20 Gramineae. 



Saba: along roads between Bottom and Windwardside 200 M. : 

 n. 1289 B., 1328 B.; Mountain 600 M. : n. 1772 B.; locality un- 

 known : n. 133 L. 



St. Croix ex Millspaugh. 



Berraud., Baham., AntilL, trop. and temp, countries of both 

 hemisph. (Symb.). 

 Setaria setosa Beauv. Agrost. (1812) 51; Gris Fl. 555; Duss 525. 



ChaetocMoa setosa (Sw.) Scribn. in U. S. Dep. Agr. Div. Agrost. 

 Bull. 4 (1897) 37; Millspaugh 473. 



St. Eustatius : Slope of Signalhill : n. 1054 B.; along roads in 

 Oranjestad : n. 1130 B.; slope of Signalhill : n. 451; seashore: n. 386, 

 389; along roads in Oranjestad : n. 452; locality unknown : n. 278 G. 



Saba : Top of the Cliff near the seaside of Boobyhill : n. 1608 B.; 

 Mountain 800 M. : n. 1812 B.; Bottom : n. 1857 B.; gut between 

 Hellsgate and Masticgut 300—400 M. : n. 2064 B. 



St. Martin : Nakedboyhill 50—200 M. : n. 2688 B., 2694 B.; 

 between Belvedere and Oysterpond: n. 3070 B. 



St. Croix ex Millspaugh. 



Antill., Amer. cont. trop. (Syrab.). 



Setaria viridis Beauv. Agrost. (1812) 51; Gris. Fl. 554. 

 St. Martin : from Filipsburg to Guanabay : n. 2404 B. 

 Jamaica, Europa and Asia sept. (Gris. Fl.). 



174. Cenchrus Linn. 



Cenchrus tribuloides Linn. Spec. (1753) 1050; Gris. Fl. 556; 

 Duss 526. Burr grass. 



St. Eustatius : Slope of the lower part of Signalhill: n. 109B.; 

 slope of the Quill near Bengalen 100 M. : n. 673 B.; Fort de Wind : 

 n. 802 B.; along roads near Glassbottle : n. 863 B.; lower part of 

 the hills near Concordia : n. 984 B.; along roads near Bengalen : 

 n. 1191 B.; locality unknown : n. 249 G., 265 H. 



Saba : along roads between Bottom and Windwardside 200 

 M. : n. 1283 B. ; between Bottom and Marypoint 100—200 M. : n. 

 1539 B., 1563 B.; along roads : n. 1710 B.; Ladder : n. 1372. 



I also saw Cencliru.s tribuloides in tlie gut between Hellsgate and 

 Masticgut 



St. Martin : from Filipsburg to Guanabay : n. 2402 B.; Colebay 



(coll. George) : n. 2518 B.; neai- Mulletpond : n. 2758 B., 2775 B.; 



in pasture ground near Bellcvue : n. 2830 B.; along roads near 



Bethlehem : n. 2932 B.; Tintamarre : n. 3385 B. 



I also saw Cenchrus tribuloides: Top of Mount Paradis 400 M,; Naked- 

 boyhill. 



