260 



67. ACANTHACE^. 



[Thunhergia, 



T. mysorensiS; T. Anders, in Jour. Linn. Soe. IX. 448 ; Fl. Br. L 4. 

 393. Bexacentris mysorensis, Wight Ic. t. 871 ; Dalz. & Gibs. Bomb.' f£ 

 183» 



Keilgherries and Mysore. In the evergreen forests of North K^uara 

 near the falls of Gairsoppah. Fl. Dec.-Jany. A climber with beautiful 

 large purple and yellow flowers in long pendant racemes. 



2. STROBILANTHES, Bl. 

 Shrubs or herbs. Leaves entire or serrate, often with raphides. 

 Flowers axillary or in terminal, interrupted or strobiliform spikes or 

 panicles. Bracts leafy, deciduous or persistent ; bracteoles small or a 

 Calyx 5-divided, segments equal or unequal. Corolla campanulate' 

 lobes nearly equal. Stamens 4 or 2. Disk small or prominent as a 

 stalk to the ovary. Ovary 4-ovulate ; style linear, stigma linear. 

 Capsule 4-2-seeded. Seeds compressed, hairy or glabrous ; hairs elastic 

 when wetted , retinacula curved. 



Seeds glabrous. 



Stem 4-\vinged. 



Flowers in capitate, axillary heads. Corolla 



white, hairy within. Capsule 2-seeded ... 1. larlatus-^ 

 Stem not winged. 



Flowers spikate, spotted purple. Leaves 

 glabrous. Calyx much enlarged in fruit. 

 Capsule 4-seeded. 



Spikes hairy ... 2. ^S*. wan eensts-. 



Spikes glabrous 3. ^, ciliatus. 



Flowers in ovoid, viscous-hairy heads. Leaves 



rugose, hairy 4. memlranaeeus. 



Seeds elastically hairy when wetted. 

 Flowers in dense cymes or spikes. 



Flowers in small dense cymes. Bracts coria- 

 ceous, softly hairy. Corolla white or blue... 5, S. luptiUnus. 



Flowers in suh-globose spikes. Bracts mem- 

 branous, veined glabrous, white, concave. 

 Corolla blue 6. ^. Seyneanus. 



Flowers in ovoid heads. Bracts viscous, 

 hairy. Corolla pale blue or colourless ... 7. ^S*. ixioeephalus. 



Flowers in sub- globose heads. Bracts green, 



ciliate on margins S. S. minor ^ 



Flowers in short spikes, numerous along the 

 branches which are naked. Bracts narrow, 

 hairy, persistent. Corolla deep blue ... 9. S. scroliculatus.. 

 Flowers strobilate. 



Leaves petioled, glabrous, lineolaie above. 

 Bracts white, concave, glabrous in flower. 

 Corolla blue, purple or rose .10, 8, callosus. 



Leaves petioled, softly villous. Bracts 

 oblong or ovate, softly hairy viscous, 

 Bracteoles linear. Corolla pale blue ...11. asper. 



Leaves sessile. Bracts large, acute hairy, 



bracteoles 0. Corolla pale purple ...12. S. sessilis. 



Flowers in lax spikes, viscid. 



Leaves sessile, winged at the base, n©t 

 perfoliate, pale beneath. Bracts oblong 

 linear. Corolla deep blue .=,,13. S, pcrfoliatus. 



