Flora of the Malayan Peninsula. 1^1 



Leaves obovate, crcnnlate : — 



Capsule very short and broad .. .. 43. I>. puncticulata. 



Capsule linear, narrow . . . . . 44. 7). heterophijlla. 



Leaves small, entire, silky .. ., ..45. D. pumila. 



Affinity doubtful. 



Stem tall ; leaves alternate, distant. Panicles small, 



adnate to petioles .. .. .. .. 46. D. lilacina. 



Sect. I. Elat^. 



1. DiDYMOCAEPus coECHOEiFOLiA, E. Br. in Benn. PL Jav. Ear. 119 

 (1840). A shrub, 4 to 6 ft. high, much branched, with a stout woody 

 stem. Leaves opposite but unequal, ovate, subacute, insequilateral, 

 rounded at base ; margins serrate ; both surfaces, but especially the 

 under, covered with soft, short, felted hair ; 3 to 9 in. long, 1-5 to 

 5 in. broad; petiole 1 to 3 in. long. Panicles lax, axillary, 2 to 3 in. long; 

 peduncles short, pubescent ; flowers numerous ; bracts cupshaped. 

 Calyx cupshaped, -25 in. long, shortly 5-toothed. Corolla -75 in. long, 

 white applegreen in the throat or often purplish-white ; tube straight, 

 thick ; lobes rounded, the upper lip recurved, the base appressed to the 

 broad decurved lower lip which is much longer. Capsule cylindric, 1 to 

 2'5 in. long, pubescent, splitting to near the tip. Ann. Sc. Nat. 2, 

 XIII. 164 ; Wall. Cat. 792 ; DC. Prodr. IX. 265 ; Miq. Fl. Ind. Bat. II. 

 726 : Clarke in DC. Monog. Phan. V. i. 85, and in Hook. f. Fl. Br. Ind. 

 IV. 351 ; Eidley in Journ. Bot. XXVIII. 68 (1890), and in Journ. Str. Br. 

 E. As. Soc. No. 43, 31. 



Penang : Wallich 792 ; Government Hill, Curtis 1239 ; Maingay 

 (K.D.) 1227. Selangor : Pahang track and Semangko, Ridley 8553. 

 Peeak : Bujong Malacca, Ridley 9175, Curtis 3130 ; Gunong Hijau, 

 ScortecJmii 1266 ; Kinta, at 1500 to 2000 ft., Ei7ig's Collector 7220 ; 2000 

 to 3000 ft., King's Collector 10979, 10998. 



2. DiDYMOCAEPUs suLPHURBA, Eidley in Journ. Str. Br. E. As. Soc. 

 No. 43, 32 (1905). A shrubby creeper 6 to 10 ft. long; stem pubescent, 

 branched, with long internodes. Leaves opposite but very unequal, one 

 up to 3 in. long by '75 to 1'75 in. broad, the opposite one -5 to -75 

 in. long, -15 to -25 in. wide; ovate or lanceolate, acute; base unequal, 

 cuneate ; margins crenulate dentate ; deep green above, purple beneath ; 

 nerves 6 to 7 pairs elevated on both surfaces, sprinkled all over on both 

 surfaces with short hairs, more hairy on the back. Peduncles axillary, 

 filiform, 4 to 6 in. long, pubescent ; branches at the top 2 or 3, each 

 bearing as many flowers ; bracts 2 to each pair of flowers, ovate, gla- 

 brous, -125 in. long. Calyx-lohQ^ elliptic-ovate, obtuse, glabrous. 

 Corolla infundibuliform, -5 in. long, glabrous ; upper lip short recurved, 

 lower one longer. Stamens shortly exsert ; filaments thick, pubescent. 



