II 

 II 



II 



H. N. Ridley: Botany of Gunong Tahan. 153 



have withered and the style has attained its full development, 

 and strikes the abdomen beneath as the stamens previously did. 

 The humble bees, Bombi, are by no means common in the 

 Malay Peninsula, and are practically, it appears, confined to 

 this and a few other of our mountains and Tenasserim. The 

 flower of the Hedyotis seems to be specially suited for pollina- 

 tion by the humble bee, and it may be suggested that its 

 peculiar modification is a special adaptation for pollination by 

 this insect. 



70. [Hedyotis rivalis, n. sp. 



A branched weedy plant, about 2 J to 3 feet tall. Stem j\j 

 inch through, half woody with a pithy centre, subquadrangular, 

 with four narrow ribs running from the basal angles of the 

 stipules. Leaves linear, acuminate, acute, base narrowed 

 gradually to the petiole, glabrous, subcoriaceous, drying 

 yellow-green, 3^ inches long, ^ inch wide or less, glabrous. 

 Stipules broadly triangular, mucronate, scurfy, \ inch long. 

 Inflorescence axillar}^ and terminal of dichotomous cymes an 

 inch long with a few flowers on short pedicels at the base ; 

 cyme-branches half an inch long with about 3 flowers in each 

 cymule, lower cymes rebranched. Bracts small, linear, acute. 

 Flowers small, white, ^ inch long, very shortly pedicelled. 

 Calyx small, campanulate, with 5 rather large ovate-lanceolate 

 pubescent green lobes longer than the tube. Corolla-tube 

 cylindric. glabrous, twice as long as the calyx-lobes, ribbed; 

 lobes oblong-acute, pubescent, recurved, as long as the tube. 

 Stamens 5, adnate to the mouth of the tube; anthers linear- 

 oblong, just protruding at the tips. Style stout, stigmas 

 elliptic, rather large. Disc pulvinate. Capsule ovoid, pale, 

 ^ inch long, crowned with the persistent calyx-lobes. Seeds 

 minute, very irregular in form, acutely angled, black, reticulate. 



On rocks at Jeram Ampai, Tembeling River.] 



71. Urophyllum glabrum, Wall. In the Teku woods, 

 apparently not common. I did not see the plant here, but 

 below Wray's Camp, 3,300 feet alt., I found a remarkable 

 plant of the Griffithianum form which was a tall bush, like an 

 elder bush, with a stem 4 inches through at the base, and strict 

 erect branches, all covered with pale corky bark. The rest of 

 the plant was quite indistinguishable from the ordinary slender 

 shrub, which is little or not branched from the base and with 

 smooth green or brownish thin bark. 



The species is common all over the Peninsula and most 

 of the Malay islands. 



*72. TiMONius MONTANUS, Ridl. Op. cit. p. 312. Common 

 on the Padang. A slender treelet like T. jambosella, but with 

 smaller leaves and slender flowers. The fruit is very distinct, 

 being small, narrowly ovoid, narrowed to the apex, ^ inch 

 long, and black. Endemic. 



73. Webera stellulata, var? A shrub only obtained 

 in fruit may perhaps belong to this species. It was found in 

 the Teku woods. 



