220 CLXIII. GRAMINE^. [Urochloa. 
triquetrous). Spikelets close set in 2 or several rows, on one side 
of rachis, shortly pedicelled, broadly ovate or elliptic. Florets 2, 
lower one niale or barren. Glume I small semilunar; gliunes II 
and III ovate acute ribbed; glume IV obovate, apiculate. 
Lodicules 2, broad cuneate. Stamens 3. Stigmas plumose. 
Grain enclosed by the hardened glumes. Species 18, chiefly Asia 
and Africa; i all tropics, a weed. 
(i) U. reptans Slapf. FI. Trop, Africa xi. 601. Panicum 
reptans Linn. Syst. Nat. {Ed. x), 870. P. prostratum Hook. fit. 
F.B.I. vii. 33. 
Stem creeping, branched, branches ascending i ft. or more. 
Leaves triangular-lanceolate or ovate-lanceolate, acute, subcordate, 
base usually ciliate, i in. long, -i to -2 in. wide at base, sheaths 
•5 in. long, edges ciliate. Panicle 1-5 in. long, of about 10 crowded 
racemes -5 in. long, rachis narrowly strap-shaped. Spikelets small, 
ovate-elliptic, acute, shortly pedicelled with one or two bristles from 
the pedicel as long as the spikelet. Glumes green or purplish, 
conspicuously ribbed. Hah. Selangor, Port Swettenham {Burkill). 
Distrib. Indo-Malaya, Africa, and America. 
A weed of cultivation. 
32 . STENOTAPHRUM, Trin. 
Broad-leaved creeping grasses with flattened stems and dis¬ 
tichous leaves. Racemes flat on a broad green rachis. Spikelets 
on short pedicels, partly sunk in the rachis, ovate acute, in 2 rows. 
Glume I very small; glumes II and III lanceolate; glume IV 
coriaceous, as large. Species 7, tropics of both worlds. 
(i) S. Helferi Mimro in Hook. fit. F.B.I. vii. 91; Ridl. Mat. 
iii. 146. 
Glabrous plant, stems decumbent, i to 2 ft. long. Leaves 
linear or lanceolate-linear acute, 4 to 6 in. long, -3 in wide; sheaths 
flat, 2 in. long or less. Rachis i to 6 in. long, -25 in. wide. Spike¬ 
lets in 6 to 10 short racemes -25 in. long, partly sunk in the rachis, 
2 to 6 spikelets in a raceme. Gkune I small ovate, blunt; glume II 
broad ovate-lanceolate, 7-nerved; glume III as long, 5-nerved. 
Hah. Rather damp sandy spots, local, Malacca, Batang Malaka 
(Burkill). Perak, Plus River (Wray); Padang Rengas (Ridley). 
Province Wellesley, Permatang Bertam. Kedah (Kunstler), 
Kelantan, near Kota Bharu (Ridley). Distrib. Tenasserim, Cochin- 
china, 
33 . PSEUDECHINOUENA, Stapf. 
Slender ascending grass with thin broad leaves, lanceolate. 
Panicle slender with 4 or 5 slender distant branches. Spikelets 
laterally compressed, secund remote, shortly pedicelled. Glume I 
lanceolate acuminate 3-nerved; glume II boat-shaped, 7-nerved, 
