Flora of the Malayan Peninsula. 176 



and somewhat oblique ; upper surface dark olivaceous-brown when dry, 

 sparsely puberulous ov glabrous, the main-nerves obscure; the lower 

 pale (glaucous), pinkish, glabrous except for a few scattered hairs on 

 the prominent midrib and 6 to 10 pairs of oblique slightly curved dark- 

 coloured broad main-nerves ; length 1-5 to SS in. ; breadth '65 to '85 

 in. ; petioles -15 to 'S in. Stipules lanceolate or oblong, -25 in. long. 

 Cymes terminal, solitary or several together on the apices of the branches 

 and stem, shorter than the leaves, the branches shorter than the 

 peduncle, puberulous. Flowers 35 in. long, sessile or on short pedicels, 

 secund. Calyx I in. long, cylindric, with 5 erect triangular acute teeth 

 much shorter than the tube. Corolla 'S in. long, puberulous externally 

 like the calyx, cylindric, slightly widened near at the apex; lobes 5, 

 short, broad, 1-nerved. Capsules obreniform with very shallow sinus, 

 glabrous, lb to '25 in. across. 0. argentea, Wall. Cat. 6229. 



Perak: Scortechini 432 (in part) 634; Wray 1984, 3647; Curtis 

 3147 ; Yapp 539. Pahang : Bidley 2202. Sblangor : Kelsall 1989.— 

 DiSTRiB. Khasia Hills. 



7. Ophiorhiza tenella. King n. sp. Erect or decumbent, 6 to 12 

 in. high. Stem slender, much branched, covered with minute yellowish 

 pubescence. Leaves membranous, those in a pair sub-equal, elliptic- 

 ovate to ovate-lanceolate, sub-acute, sometimes rounded but usually 

 rather abruptly narrowed at the base ; upper surface olivaceous when 

 dry, glabrous except for a very few scattered short thick hairs ; lower 

 surface pale greenish-yellow, minutely puberulous on the broad midrib 

 and 6 to 8 pairs of spreading rather straight main-nerves ; length 1 to 2 

 in. ; breadth "5 to 1 in. ; petiole "1 to -25 in., puberulous. Stipules short, 

 cupular, obscurely toothed, less than '1 in. deep. Cymes solitary, 

 terminal, few-flowered, pedunculate, shorter than the leaves. Flowers 

 •3 in, long, almost sessile. Calyx less than '1 in. lon<^, cylindric with 5 

 lanceolate spreading 1-nerved lobes shorter than the tube, covered with 

 short coarse hair. Corolla '25 in. long, funnel-shaped ; the tube sliglitly 

 dilated near the base; the 5 lobes ovate-lanceolate, sub-aoute, spreading, 

 sub-reflexed. Capsule narrowly obreniform, sub-glabrous, •25 in. across. 



Perak : King's Collector 499, 546. Pahang : Bidley 2201. — Distrib. 

 Burma. 



8. Ophiorhiza rdgosa. Wall. Cat. 6235. Herbaceous, sub-erect, 4 

 to 6 in. high, the stem unbranched, thicker than a crow-quill, toraentose. 

 Leaves unequal, membranous, oblong-oblanceolate, or oblong, sub-acute, 

 or shortly and bluntly acuminate, the base narrowed; upper surface 

 dark olivaceous when dry, glabrous or with few scattered short thick 

 hairs, the nerves and midrib inconspicuous ; lower surface pale olivace- 

 ous, with coarse short pubescence on the midrib, reticulations and 12 to 



65 



