138 Premna. 



VIII, 388, (1913). — A climbing shrub; young parts 

 somewhat grey-pubescent, glabrescent; leaves membranous, 

 very thin, oblong, base rounded, apex acutely acuminate, 

 both sides glabrous, pubescent on the nerves when young, 

 glabrate afterwards; pairs of nerves 6; 8—10 cM. long, 

 4—5 cM. broad, petiojes 2V2—4 cM.; corymbs small, 

 many-flowered, 6 cM. long and in diam.; pedicels rather 

 long, 0.1—0.3 cM.; calyx puberulous, 2-lipped, upper lip 

 with 3, lower one with 2 teeth, the teeth of the lower 

 lip smallest; corolla glabrous without, 2-lipped; tube 0.4 

 cM.; throat villous; upper lip 2-lobed, lower one 3-lobed, 

 the lobes of the upper Up and the midlobe of the lower 

 one 0.2 cM. long and broad; the lateral lobes of the 

 lower lip 0.15 cM.; style 0.6 cM. 



Distribution: Leyte (Philippines). 



39. P. nervosa Koord. et Val., Bijdr. Booms. Java, 

 no. 7, 186, (1910); Koord. Exk. fl. v. Java, III. 135. - 

 A climbing shrub; leaves oblong-elliptic or ovate, base 

 obtuse, rarely cordate, apex acutely acuminate; margins 

 entire or obscurely denticulate, membranous or subcoria- 

 ceous, glabrescent, subhirsutely pubescent on the nerves, 

 especially beneath; pairs of nerves 6; the lowest 1 or 2 

 pairs very slender; 10—19 cM. long, 6.2 — 10 cM. wide; 

 petioles 1.5^ — 4 cM.; corymbs small, 5 cM. in diam., sub- 

 globose, shortly peduncled, somewhat pubescent, or glabrate; 

 pedicels 0.05—0.1 cM. ; calyx cup-shaped, 0.2 cM. long, 

 pubescent, 2-lipped, 5-toothed, the 2 teeth of the lower 

 lip largest, obtuse; corolla 0.7 cM., minutely pubescent 

 without; stamens exsert; style slender with shortly bifid 

 stigma. 



Distribution: Java. 



It has an affinity with P. flavescens, but differs from it in 

 several points, such as the different tomentum of the leaves, 

 which are less narrow, the smaller corymbs, and the somewhat 

 pubescent corolla. 



