CHI. GESNEEACE.E. 
Didymocarpus.] 
5it 
leaves. Perak, Thaiping Hills (all collectors). Distrib. Bandon, 
South Siam. 
(n) D. ramosa Ridl. Journ. Roy. As. Soc. S. Br. 44, p. 34; 
Journ. As. Soc. Beng., he. 749. 
Rather slender branched, pubescent with appressed hairs, over 
1 ft. tall. Leaves in distant pairs, usually very unequal, ovate 
acuminate thin, base rounded or narrowed, glabrous above, sparingly 
hairy beneath, 2 to 3 in. long, 1*5 in. wide; petioles *125 in. long. 
Peduncles slender from lower axils, 1*25 in. long, 2-flowered, viscid 
hairy. Sepals lanceolate hispid. Corolla-tube straight, hardly 
dilate, *5 in. long, greenish yellow. Hdb. Perak, Gunong Batu 
Putih (Wray); rare. 
(12) D. flavescens Ridl. Journ. Roy. / 4 s. Soc. S. Br. 44, p. 35; 
Journ. As. Soc. Beng., lx. 749. 
Stem slender, over 1 ft. tall, shortly appressed-hairy. Leaves 
in distant unequal pairs, lanceolate acuminate at both ends entire, 
sparsely hairy all over, 1*5 to 2 in. long, ’5 in. wide; petioles -15 
to *2 in. long, silky hairy. Peduncles i-flowered, 1 in. long, pubes¬ 
cent. Sepals linear hairy. Corolla yellowish white, -5 in. long, 
pubescent, tube straight, hardly dilate above, 2-lipped. Hab. 
Mountains. Selangor, Kwala Kubu; Sempang Mines, Semangkok 
(Ridley). 
(13) D. urticaefolia Ridl. 
Over 6 in. tall, slender herbaceous hairy with stiff spreading 
hairs all over. Leaves thin in distant pairs, nearly equal, lanceo¬ 
late, minutely serrulate, base cuneate, 3’25 in. long, 1 to 1*75 in. 
wide; petioles 1 to 1*5 in. long, hairy. Peduncles slender in upper¬ 
most axils, 2 in. long, hairy. Flowers 2. Sepals lanceolate, 
narrow dense hairy, -12 in. long. Corolla yellow, tubular at base, 
dilate upwards sparsely hairy, 1 in. long, *25 in. wide, lower lip 
longer. Capsule i’25 in. long, rather thick at base, shortly sparsely 
hairy. Hab. Perak, Temengoh (Ridley); Thaiping Hills, Gunong 
Hijau to 4000 ft. altitude (Curtis). 
(14) D. hispida Ridl. Journ. Linn. Soc. xxxiii. 507; Journ. 
As. Soc. Beng., l.c. 750. D. hispidula Ridl. Journ. Roy. As. Soc. 
S. Br. 44, p. 35 - 
Stem 6 to 12 in. tall, hispid. Leaves in rather distant opposite 
equal pairs scabrid above, hairy beneath, especially on nerves, 
ovate or lanceolate shortly narrowed or blunt at base, sub-acute, 
crenulate, dentate or nearly entire; nerves conspicuous, 3 to 5 in. 
long, 1 to 2 in. wide; petioles 1 in. long. Peduncles 3 in. long, 
hairy, branched or bearing 3 or 4 flowers in a cyme; pedicels 
•2 to *5 in. long. Sepals lanceolate hairy. Corolla glabrous, 1 in. 
long, white with violet streaks in the mouth, tube straight, funnel- 
shaped, lower lip longer. Capsule 1*5 in. long. Hab. Mountains, 
variable according to locality. Perak, Thaiping Hills at the top 
(all collectors); Gunong Kerbau (Robinson); Gunong Inas (Yapp). 
