Didymocarpus.) cm. gesnerace^e. 509 
2 in. long acuminate. Hab. Mountains, rare. Perak, Gunong 
Kerbau at 6000 to 6600 ft. altitude (Robinson). 
{3) D. sulphurea Ridl. Journ. Roy, As. Soc. S. Br. 44, p. 32; 
Journ. /Is. Soc. Beng., l.c. 747. 
Shrubby creeping and ascending, 6 to 10 ft. long, pubescent, 
often zigzag. Leaves in very unequal pairs, big ones 3 in. long, 
175 in. wide, small ones -5 to 75 in. long, ‘15 to -25 in. wide, 
ovate or lanceolate acute, base unequal cuneate, edge crenate- 
dentate, deep green above, purple beneath, hairy especially on 
back. Peduncles filiform, 4 to 6 in. long, pubescent; branches 
at top 2 or 3 with as many flowers. Sepals elliptic-ovate. Corolla 
funnel-shaped, -5 in. long, lower lip longest, yellow. Capsule 
I’5 to 3 in. long, rather thick, glabrous. Hab. Mountain woods. 
Perak, Thaiping Hills to 5500 ft. altitude; Gunong Chabang and 
Gunong Bubu (Scortechini); Gunong Batu Putih to 4500 ft. 
altitude (Kunstler, Wray); Bujong Malacca; Gunong Berumbun 
Telom. 
var. breviflora Ridl. Bracts and calyx-lobes narrower, acute, 
pubescent. Capsule 75 in. long, pubescent. Selangor, Bukit 
Kutu (Ridley). 
var. grandiflora Ridl. Sepals broad lanceolate acuminate. 
Corolla much larger, 175 in. long, *5 in. wide. Leaves less hairy. 
Perak, Gunong Kerbau at 6000 ft. altitude (Robinson). 
(4) D. citrina Ridl. Journ. Linn. Soc. xxxii. 508; Journ. /Is. 
Soc. Beng., l.c. 748. 
Sub-herbaceous, 1 ft. tall. Leaves and stems softly white 
velvety-hairy. Leaves unequal, larger one 2 to 3 in. long, i - 25 in. 
wide, smaller about half as big, ovate-lanceolate, crenulate; 
petioles '5 in. long or less in small, up to 3 in. long in the large leaf. 
Panicles 3 in. long, bases pubescent, zigzag. Bracts ovate cordate, 
polished green, edges red; pedicels -5 to 1 in. long. Sepals tri¬ 
angular stiff, green edged red. Corolla lemon yellow, tube 1 in. 
long, funnel-shaped, mouth -5 in. across. Capsule 1 in. long, 
glabrous. Hab. Local on rocks on mountains, Kedah Peak, 2000 
to 3800 ft. altitude (Ridley). 
(5) D. purpurea Ridl. Journ. Linn. Soc. xxxii. 508; Journ. 
,4 s. Soc. Beng., l.c. 748. 
Stem herbaceous, 12 to 18 in. high. Leaves ovate acute, 
inaequilateral, velvety, 4 in. long, 2 in. wide, crenulate; petioles 
•25 to -5 in. long. Panicles erect, sub-terminal, 4 in. long, branches 
slender; peduncles 3 in. long. Bracts small, ovate. Sepals 
oblong, glabrous. Corolla tubular, purple; lobes round, lower 
lip longer. Capsule - 5 in. long. Hab. Lankawi, Gunong Chinchang 
1000 to 1500 ft. altitude (Curtis). 
(6) D. violacea Ridl. Journ. Linn. Soc. xxxii. 509; Journ. 
As. Soc. Beng., l.c. 762. 
Rootstock short erect; stem 1 in. tall, woolly. Leaves very 
