Flora of the Malayan Peninsula. 



739 



occasionally broadly tubular, infundibuliform ; limb bilobed, usually un- 

 equally; lobes rounded. Stamens 4 perfect, in two pairs; filaments 

 long, slender ; anthers ovate or elliptic adhering by their faces ; cells 

 parallel, connective sometimes prolonged into a horn. Disk annular, 

 small. Ovary cylindric, sessile ; style as long or longer ; stigma broad, 

 ovate. Capsule cylindric, linear elongate, rarely short and thick, 

 sessile, splitting along the upper edge, not twisted. — ^Distrib. Species 

 about 20, in India, in the Malay Peninsula and Sumatra. 



Stems tall ; nodes distant ; flowers several together in axillary 

 clusters ; leaves hairy above : — 



Leaf-margins entire . . . . . . , . 1. D. johorica. 



Leaf-margins minutely crenulate . . . . . . 2. D. frulescens. 



Stems short; leaves crowded at apex; flowers 1, rarely 2 or 

 more, on subterminal peduncles : — 



Leaves hairy above, their margins serrate or dentate : — 

 Capsule slender, cylindric : — 



Sepals lanceolate acuminate, -25 in. long : — 

 Leaves simply serrate 

 Leaves doubly serrate 

 Sepals oblong-ovate, -125 in. long 

 Capsule short, thick, fusiform 

 Leaves glabrous above : — 



Leaf-margins entire, sinuate or obscurely crenulate 

 Flowers orange 



Flowers violet-purple : — 



Corolla-tube slender, infundibuliform 

 Corolla-tube wide, cylindric 

 Leaf-margins serrate, or dentate, or lobed : — 

 Sepals glabrous : — 



Leaves simply dentate ; corolla white with violet 



markings, pubescent . . . . . . 10. .D. Wrayi. 



Leaves runcinate ; corolla lemon-yellow, glabrous 11. I), quercifolia. 

 Sepals more or less pubescent : — 

 Leaves coarsely serrate ; sepals linear lanceolate . . 12. D. glabrescens. 

 Leaves deeply lobed; sepals elliptic . . . . 13. D. filicina. 



3. 



D. 



hirta. 



4. 



D. 



serratlfolia. 



5. 



D. 



atrocyanea. 



6. 



D. 



latisepala. 



7. 



D. 



flammea. 



8. 



D. 



violacea. 



9. 



D. 



atropurpurea 



1. DiDissAXDEA JOHORICA, Eidley in Journ. Str. Br. E. As. Soc. No. 

 43, 22 (1905). Shrubby, 2 to 3 ft. high; stems pustular below, hairy 

 above. Leaves alternate below, opposite above ; lanceolate, acuminate, 

 long-cuneate at base; margins entire; upper surface sprinkled with 

 short conic hairs, lower shortly scabrid-hairy ; 6 in. long, 1-25 in- 

 broad; main nerves 6 to 7 pairs, ascending. Cymes axillary ; peduncles 

 slender, hairy, 1 in. long ; bracts short, linear lanceolate ; flowers 8 to 4 

 to each peduncle. Calyx-\ohQ^ small, linear lanceolate, acute, hairy. 



