FLOBA OF ADEN . ' 871 
Panicum caesium Nees in Hook, and Arn. Bot. Beech. Voy. 235 ; 
Steud. 1. c. 47. 
Panicum confertum Herb. Rottl. ex Wall. Cat. n. 8687 B. 
Panicum Crus-galli Wall-Cat. n. 8687 I; var. colonum Coss. ExpL 
Alger. 28; var. minor Thw. Enum. PL Zeyl. 359. 
Panicum cuspidatum Roxb. FL Ind. I, 298; Duthie Grass. N. W. 
Ind. 3; Steud. 1. c.; Fig. & de Not. in Mem. Acad. Tor. (1854), 340, 
t XIII, f, 1—16. 
Panicum Daltoni Parlat. ex Webb in Hook. Niger FL 185 ; 
Steud. l.c. 
Panicum flaccidum Wall. Cat. n. 8692 H (partim). 
Panicum grossarium Griff. NotuL III, 36, Ic. Pl. Asiat. t, 139, 
f. 113. 
Panicum haematodes Presl FL Sic. I, 43. 
Panicum numidianum Presl Cyp. et Gram. Sic. 19. 
Panicum Petiveri Kotscb ex Griseb. FL Brit. W. Ind. 545. 
Panicum pseudo-colonum Roth Nov. Sp. 147. 
Panicum semiverticillatum Herb. Rottl. (non Rottl. in Ainsl. Mat. 
Med.). 
Panicum tetrastickum Forsk. FL Aeg.-Arab 19. 
Panicum zonale Presl Prodr. FL Sic. I, 82. 
Oplismenus colonus H. B. & K. Nov. Gen. et. Sp. I, 108; Kuntli 
Enum. PL I, 142 ; Dalz. & Gibs. Bomb. FL 291 ; Aitekis. Cat. Panj. 
PL 161. 
Oplismenus pseudo-colonus Kuntk Rev. Gram. I, 44, Enum. I, 142. 
Description Annual ; stem 1-2 feet long, slender, decumbent or 
shortly creeping below ; nodes glabrous or puberulous. Leaves 4-8 by 
inch, narrowly lanceolate or linear, acuminate, flat, glabrous, with 
scaberulous margins; sheaths up to 6 inches long ; ligule 0. 
Spikes 8-20, suberect, usually distant, inch long ; rhachis stout, 
angular, scaberulous on the angles. Spikelets tV"iV inch long, globosely 
ovoid, acute or subcuspidate, more or less hispidly pubescent, secund, 
sessile, 3-5 seriate. Glumes 4 ; lower involucral glume about \ as long 
as the lower floral glume, broadly ovate or suborbicular, membranous, 
3-nerved, ciliolate ; upper involucral glume about equal to the lower 
floral glume, broadly ovate, cuspidate, concave, 5-7 -nerved, hairy; 
lower floral glume similar, empty, with a hyaline palea ; upper 
floral glume coriaceous, broadly ovate, turgid, acute, finely striolate, 
polished, yellowish-white, with a coriaceous palea. 
Flowers and fruits from January to March (Schweinf.). 
