Journal of the Federated Malay States museums - Sabrizain.org

XVIII. THE NATURAL HISTORY OF KEDAH PEAK.
VI. Botany.
By H. X. Ridley, M.A.. C.M.G., F.R.S., F.L.S.
Lam- Director of Gardens, Straits Settlements.
The fulli'j'ing order belonging to the Monocotyledons was omitted
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in Mr. Ridley's account of the Botany of Kedah Peak. Antea
pp. 37-88.]
XYKIDEyE.
Xyris Ridleyi Rendle.
Mixed with the next species. This was the original
locality of this plant.
Xyris oreophila, sp. nov.
A tufted plant about 12-18 in. tall. Stems swollen at
base. Leaves linear flaccid acuminate 8 in. long .1 in. wide,
(No. 6138) or rigid and narrower (5962). Culms slender,
terete 8 to 18 in. long. Capitulum obovoid .2 in. long.
Glumes brown, oblong, the lower ones truncate, emarginate,
uppermost blunt, entire, a paler thickened ridge in the centre,
the margin thinner but not scarious. Flowers bright yellow
.3 in. long, the tube slender, exsert. Petals broadly oblong.
obovate, minutely toothed at the rounded top, .15 in. wide.
Stamen? about half as long, staminodes short, plumed, style
and stigmas shorter than anthers. Fruit fusiform, dehiscing
down one side, seeds numerous, linear cyhndric, narrowed at
both ends 1 mm. long.
Kedah Peak 3000 feel alt. Nos. 5962, 6138, 6139. The
specimens of the latter number are evidently from a wetter
spot and are shorter and more flaccid. It is a much bigger
plant than X. Ridleyi. The petals are described as butter cup
yellow.