A BOTANICAL EXCURSION TO PULAU ADANG. 57 
Tournefortia argentea, Li. f. 
Pulau Nipis. 7 
Distribution: Ceylon, Nicobars, Mauritius, Malay Islands, and 
Polynesia. 
Vike CONVOLVULACEAE. 
Tpomaca campanulata, L. 
Pulau Tengah in fruit only. 
Ipomaea pes-caprae, Roth. 
Pulau Nipis. 
ACANTHACEAE. 
Acanthus ilicifolius, L. 
Pulau Rawi. 
Hranthemum porphyranthos, Clarke. 
Seashore in sandy spots. Pulau Butong, Pulau Adang and 
Pulau Tengah. 
Gymnostachyum insulare, n. sp. 
Herb about 2 feet tall, glabrous. Internodes long 3. inches. 
Leaves lanceolate acuminate at both ends, herbaceous, 7 nerved, 
7 inches long 24 inches wide, petiole slender 1 inch long. Panicle 
lax, terminal, branches short to 2 inches long. Bracts linear 
acuminate 34 inch long. Pedicels ~5 inch long, in flower, twice 
as long and thicker in fruit. Calyx lobes lanceolate acuminate as 
long as the corolla tube § inch long. Corolla tube short and thick, 
little longer than the lobes, limb 4 inch across pubescent. Upper 
lip bilobed with 2 equal oblong lobes rounded at the tip. Lower 
lip with 3 rounded lobes of which the centre is the widest. Stamens 
%, filaments exsert. Anthers oblong 2-celled. Cells equal and 
parallel, no appendage. Style longer, stout, apex decurved. 
Capsule not flattened terete, an inch long borne on a thickened 
lengthened stem; the base of the calyx swollen globose. Sepals 
persistent retinacula, oblong with a rounded apex, yellowish flat, 
obscurely reticulate $ inch long. 
Rawi island. 
Allied to G. magnum, Clarke, of Tampin Hill in Malacca, 
(differing in its lanceolate glabrous leaves, (those of G. magnum 
being scurfily pubescent in the midrib and nerves beneath.) 
Justicia gendarusa, L. 
Pulau Rawi. 
Justicia inconspicua, n. sp. 
A tall slender weeding straggling herb, internodes often as 
much as 3 inches long, nodes swollen, scurfy pubescent with 
appressed hairs. Leaves large lanceolate acuminate membrana- 
R. A. Soc:, No. 61, 1912. 
