FLORA OF MADRAS. [Hibiscus. 



Seeds exceeded in length by their frill of stiff spreading hairs ; 

 flowers red white or blue, never yellow : 



Flowers white, turning to red ; leaves orbicular in outline, palm- 



ately lobed iiiutabills. 



Flowers purplish blue ; leaves ovate from a cuneate base or 3-lobed 



and broader syriacus. 



Seeds with short scattered bulbous-based hairs ; flowers crimson ; 

 leaves lanceolate, serrate ; staminal tube much exserted 



Rosa-sinenxis. 



Seeds densely velvety, with short stiff adpressed or spreading hairs ; 

 flowers yellow : 



Tree with linear striate bracteoles longer than the calyx ; leaves 



subglabrous above 10. canescens . 



Herb ; bracteoles shorter than the calyx ; leaves densely pubescent 



above . . . . 11. panduraeforniis. 



Seeds covered with setulose scales ; leaves with a large gland on the 

 midrib beneath ; bracteoles adnate to the base of the calyx, becoming 



fleshy and purplish Sabdariffa. 



Seeds glabrous, sometimes with scattered adnate scales : 

 Seeds uniformly tubercled : 



Herb with wingless capsules 12. Solandra. 



Shrub with winged capsules 13. vitifolius. 



Seeds smooth or with a few small tubercles : 



Calyx clothed with close white tomentum and bearing at the 

 base of each lobe a large gland; leaves with a gland on the 

 midrib below, palmatifid, or rarely without lobes ...cannabinus. 

 Calyx without white tomentum and eglandular : 



Leaves entire or serrulate, orbicular, often cordate ; bracteoles 



connate into a cup at the base ; tree ... 14. tiliaceus. 



Leaves more or less lobed or cut : 

 Herbs or a little woody at the base I- 

 Leaves palmatifid, lobes pinnatifid ; calyx inflated, 



membranous 15. Trionum. 



Leaves with short pointed biserrulate lobes ; stem, 

 peduncles and acuminate capsules clothed with rigid 



pungent hairs 16. lunar iifolius. 



Shrubs or undershrubs ; leaves palmately lobed : 



Capsule depressed-globose, hispid ; leaf -margins sinuate 



17. platanifolius. 

 Capsule oblong, acuminate ; leaf-margins entire 



18. Lampas. 



