68 A SCIENTIFIC EXPEDITION TO TEMENGOH. - 
APOCYNACEAR. 
Rauwolfia perakensis, King and Gamble. Limestone rocks, 
Lenggong. Flowers pinkish. 
Dyera costulata, Hook. fil. A few small trees about Ulu 
Temengoh. | . 
Ervatamia peduncularis, King. Woods by the Temengoh and 
Kertai rivers. 
E. cylindrocarpa, King and Gamble. Woods, Temengoh. 
Chonemorpha macrophylla, Don. Temengoh. 
Wrightia laevis, Hook. fil. Ulu Temengoh, Flowers white. 
Ichnocarpus ovatifoluus, A. D. C. Scrambling over trees by 
the Temengoh river. 
ASCLEPIADEAE. 
Marsdenia tinctoria, Br. Temengoh. 
Pentasacme caudatum, Wall. On rocks in the rivers, Temengoh 
and Kertai. 
Gymnemaflava, N. sp. 
Stem slender climbing long covered with short hairs. 
Leaves ovate acuminate base rounded herbaceous 
glabrous 1-24 inches long by 1 inch wide, nerves 3 pairs, 
apices inarching some way from the margin, petiole half 
an inch long. Peduncles axillary slender 1 inch long 
pubescent with one or two pedunculated cymes, pedun- 
cles $ inch long. Flowers small yellow pedicels $ inch 
long pubescent. Sepals free to the base ovate pubes- 
cent, as long as the corolla tube. Corolla campanulate 
with narrow linear twisted lobes obtuse rather fleshy 
pubescent, whole corolla nearly ¢ inch long. Corona 
of corolla none. Staminal corona cylindric, connectives 
prolonged oblong rounded at the tip, longer than the 
low style apex. Pollinia in pairs, pyriform waxy pendu- 
lous, pollen carriers small horny, dark colored. 
Temengoh on the river bank climbing over trees. 
Jour. Straits Branch 
