238 CLXIII. GRAMINE^. [Isachne. 
Panicle 9 to 10 in. long, of very many spreading capillar}' branches 
frequently rebranched. Spikelets pale, and very small, ellipsoid. 
Glumes I and II elliptic-ovate blunt, white, smooth, glabrous; 
glumes III and IV very nearly as long, white, smooth. Hah. 
Mountains at 4000 to 5000 ft. altitude in exposed spots. Pahang, 
Gunong Tahan, at 4000 to 5000 ft. altitude. Selangor, Semangkok 
Pass (Ridley) to Fraser Hill (Burkill). Perak, Thaiping Hills on 
Gunong Hijau at 4600 ft. altitude (Wray, Curtis). Distrib. India, 
China, IVlalay isles. 
(4) I. javana Nees in Miq. PI. Jimgh. 376; Hook, fil, F.B.L 
vii. 24; Ridl. Mat. hi. 128. 
Culms erect, solitary or 2 to 3 together, stiff, rather stout, i to 
3 ft. tall. Leaves lanceolate acuminate, base cordate rigid striate, 
midrib narrow, edge thickened, 1-5 to 2 in. long, -25 to -3 in. widei 
glabrous or hairy beneath, mouth and edge of sheaths ciliate! 
Panicle pyramidal, eventually spreading, of many capillarv branches. 
Spikelets ellipsoid, blunt, pale, *05 in. long. Glumes'^ I and H 
elliptic blunt, faintly ribbed, tips pubescent; glumes III and IV as 
long, ellipsoid, tips pubescent. Hah. Damp spots on mountains 
at from 3000 to 5000 ft. altitude. Malacca, Mount Ophir (Lobb, 
Hullett). Pahang, Gunong Tahan (Ridley). Perak, Gunong 
Terbakar, Cameron's Highlands (Henderson); Gunong Bubii 
(Wray): Gunong Batu Putih (Kunstler); Gunong Kerbau (Robin¬ 
son); Gunong Inas (Yapp). Kelantan, Gunong Bintang (Kloss). 
Disirih. Burma, Borneo, Java. 
(5) I. sylvestris Ridl. Journ. Roy. Hs. Soc. S. Br. 44, p. 206; 
Mat. hi. 129. 
Culms stout, ascending, 9 in. tall. Leaves herbaceous, lan¬ 
ceolate acuminate, base broad, glabrous above, shortly rough 
hairy beneath, 3 in. long, -5 in. wide, edge thickened, sheaths hairy 
with long hairs from tubercles. Panicle 6 in. long, 3 in. wide, of 
numerous capillary branches and branchlets bearing one or two spike¬ 
lets. Spikelets -06 in. long, ovoid-ellipsoid, shortly or long pedicelled. 
Glumes I and H elliptic, with few ribs, purple hairy; glumes III 
and IV elliptic as long, white, tip pubescent. Hah. In lowland 
woods, rare. Bindings at Telok Sera (Ridley). 
(6) I. rigida Nees in Steudl. Syn. Gram. 75; Hook. fit. F.B.I. 
vii. 24. 
Culms wiry slender, often branched at the top, 12 to 16 in. tall, 
fluted. Leaves remote, ovate to ovate-lanceolate acute, stiff 
nearly pungent, base cordate, edges serrulate, bristly, -5 to i in. 
long, -I to -2 in. wide, sheaths shorter, -25 in. long. Panicle i to 
2 in. long, branches spreading, -5 to *75 in. wide. Spikelets few, 
white, globose. Glumes I and II oblong blunt, glabrous or silky 
hairy; glumes III and IV semi-ellipsoid, as long. Hah. Sandy spots 
local. Kedah Peak at 3000 ft. altitude (Robinson). Setul Heath 
(Ridley). Distrib. Tenasserim, Nicobars, Borneo, Java. 
