172 Flora of the Malayan Peninsula. 



the mouth sub-truncate ; leaves puberulous above on and 



near the edges and on midrib ; '5 to '75 in. broad ... 6. 0. Harrisiana 



var. argentea. 

 Stipules forming a short cup with its month obscurely 

 toothed ; leaves minutely puberulous on midrib and nerves 

 beneath, "5 to 1 in. broad ... ... ... 7. 0. tenella. 



Stipules lanceolate with long filiform points ; larger leaves 

 3 or 4 in. long and '75 to 1'25 in, broad, glabrous but for a 

 few scattered thick hairs ... ... ... 8. 0. ntgosa. 



Leaves hairy everywhere on both surfaces : — 



Larger leaves 25 to 4 in. long, both surfaces with white 



hispidulous hairs, narrowly elliptic, '75 to 1'25 in. broad... 9. 0. tomentosa. 



Leaves elliptic or ovate-elliptic, 3'5 to 5 in. long and 1'75 



to 25 in. broad, sparsely strigose above, hispidulous 



beneath ... ... ... ... ... 10. 0. Kunstleri. 



1. Ophiorhiza discolor, R. Br. in Wall. Cat. 6232 A. Ste^n erect, 

 woody in its lower part, dark-coloured, terete, glabrous. Leaves of the 

 pairs unequal, but not greatly so, membrauous, narrowly elliptic or 

 elliptic- oblong, much acuminate and narrowed from below the base to 

 the long rather slender petiole ; both surfaces quite glabrous ; the upper 

 dark brown, slightly tinged with purple ; the lower pale minutely reticu- 

 late and much tinged with purple ; main-nerves 7 to 12 pairs, curved, 

 spreading, faint on the upper surface and but little prominent on the 

 lower; length 25 to 4*5 in.; breadth 1 to 1*5 in.; petioles '35 to I iu. 

 Stipules linear-lanceolate, "l to '2 in. long, deciduous. Cymes solitary, 

 t erminal, an inch or two in length ; few-branched, ebracteolate ; the 

 peduncle and branches minutely puberulous. Flowers "25 in. long, 

 secund in a single row, on very short pedicels which lengthen in fruit. 

 Calyx narrowly campanulate; the teeth short, broad, boldly 1 -nerved. 

 Corolla clavate iu bud, 2 in, long ; tube cylindric, sli'ghtly inflated in the 

 upper half; the teeth shorter than the tube, obtuse, erect. Capsule 

 narrowly obreniform, the sinus almost obsolete, glabrous, '3 in. across. 

 G. Don Gen. Syst. Bot. III. 522; Hook. fil. Fl. Br. Ind. III. 79. 

 0. villosa, Wall. Cat. 6230 {not of Boxb.) 



JOHOR : Bidley. Penang : Deschamps. 



2. Ophiorhiza erubescens. Wall. Cat. 6233. Glabrous except the 

 puberulous inflorescence ; stem 1 to 3 feet high, woody, as thick as a 

 goose-quill, the bark whitish, striate, corky. Leaves of each pair sub- 

 equal, thinly membranous, elliptic-lanceolate, elliptic-oblanceolate or 

 narrowly elliptic, somewhat oblique, acuminate, the base much narrow- 

 ed; upper surface greenish when dry, the midrib prominent but the 

 nerves faint; lower surface pale greenish- white, reticulate, the 10 to 

 14 pairs of rather straight spreading main-nerves rather flat and 

 prominent like the midrib; length 4 to 9 in.; breadth 1"5 to 4 in.; 



62 



