506 ciii. gesnerace^. [Didissandra. 
Sepals elliptic round, dark red-hairy, *i to '2 in. long. Corolla 
trumpet-shaped, purple, inside dark purple with 6 white lines. 
1*5 in. long, 75 in. across, lower lip distinctly longer than upper, 
Capsule sub-follicular, 15 in. long. Hab. Forests in mountains, 
Pahang, Telom (Ridley). Perak, Gunong Chabang (Scortechini); ^ 
Gunong Kerbau (Robinson). 
4. DIDYMOCARPUS, Wall. 
Herbs or shrublets. Leaves usually pubescent and serrate, 
herbaceous, opposite or alternate ones reduced, ovate to lanceolate. 
Peduncles axillary with a cyme of one or more flowers, or terminal 
panicles. Calyx-lobes 5, free to base or nearly. Corolla funnel- 
shaped, limb bilabiate. Stamens complete 2; filaments filiform 
inserted half-way down tube. Staminodes 2, short, hooked. 
Ovary cylindric passing into a long style. Stigma capitate, entire. 
Capsule cylindric acuminate splitting along the upper edge. Seeds 
numerous, minute ellipsoid, not plumed. Species about 100, 
India and Malay islands, about half in the Malay Peninsula, 
rarer further east. 
(1) 
(2) 
D. corchorifolia 
D. robusta 
i. Eudidymocarpus. Flowers panicled terminal or axillary with con¬ 
spicuous pairs of bracts at base of panicle branches and lanceolate sepals. 
Woody shrubs; panicles axillary. 
Bracts connate, cup-shaped; flower white 
personate ..... 
Bracts 2; leaves thick, woolly whorled 
Bracts 2; leaves oblique; flowers few, 
yellow . . . * 
Bracts 2; leaves thin, villous; panicle 
terminal flowers yellow. 
Herbaceous weak; panicle terminal; flowers 
claret colour .... 
Rootstock short; leaves rosulate. 
Panicle terminal; flower violet, -5 in. 
long; leaves ovate not cordate 
Leaves oblong or ovate cordate; 
flowers 1 in. long, deep violet 
Leaves alternate distant, inequilateral; 
flowers blue . . . ■ ... 
ii. Didymanthus. Herbs with distant pairs of leaves; flowers cymose 
axillary usually on long peduncles; bracts very inconspicuous. 
(3) D. sulphurea 
(4) D. citrina 
(5) D. purpurea 
(6) D. violacea 
(7) D. lacunosa 
(8) D. inaequalis 
Flowers very small, '25 in. long . 
Flowers medium, about -5 in. long, yellow. 
Leaves lanceolate acute almost or quite entire 
Leaves ovate acuminate .... 
Leaves unequal, narrow lanceolate, nearly 
or quite entire 
Leaves ovate strongly toothed 
Flowers medium, white, 75 to 1 in. long. 
Leaves equal ovate hairy, edges pubescent 
Leaves equal ovate very hairy, edges 
villous . 
Leaves lanceolate thinly pubescent . 
(9) D. parviflora 
(10) 
(11) 
(12) 
(1 3 ) 
D. flava 
D. ramosa 
D. flavescens 
D. urticaefolia 
(14) D. liispida 
(1 5 ) 
(16) 
D. hirta 
D. viscida 
