1 5 2 The Flowering Plants of Western India. 



TRIBES. HELIANTHOIDEJ;. Flowers rayed or not, receptacle 

 paleaceous, pappus slight or none. 



Note. Though the sunflower is the type of this tribe, the flowers of 

 many of the genera and species here given are not rayed : in all 

 except the first genus they are yellow. 



16. LAGASCA. Leaves mostly opposite, flowers in leafy balls 

 not rayed, florets all hermaphrodite, and tubular, involucre 

 tubular of 5 united bracts. 



17. SIEGESBECKIA. Glandular herbs with opposite leaves, 

 flowers partly rayed, ray florets female, in one series short tubed, 

 disk florets hermaphrodite, bracts few herbaceous, outer spathu- 

 late spreading. 



18. ECLIPTA. Leaves opposite, flowers small peduncled, 

 rayed, of female and hermaphrodite florets, bracts in one or two 

 series herbaceous, outer large and broad. 



19. WEDELIA. Rough or hairy h>rbs or undershrubs, leaves 

 opposite, flowers rayed, ray florets large, strap-shaped, disk 

 florets tubular with elongated limb, bracts few, outer usually 

 herbaceous, inner dry. 



20. SPILANTHES. Leaves opposite, flowers long-stalked, rayed 

 or not, bracts in one or two series, receptacle convex elon- 

 gate. 



21. GUIZOTIA. Leaves mostly opposite, flowers stalked, 

 decidedly rayed, tube of all florets short and woolly, bracts in 

 one or two series, outer leafy, inner chaffy, receptacle convex 

 or conic. 



22. GLOSSOCARDIA. A smooth herb with much divided 

 leaves, flowers small, scarcely rayed, florets very few, bracts few, 

 inner oblong with membranous margins. 



23. BIDENS. Leaves opposite, outer bracts short and leafy, 

 inner membranous. 



TRIBE 6. HELENIOIDE.E. Flowers as in the last, receptacle 

 naked, flowers yellow. 



24. FLAVIEHIA. Leaves opposite, florets of disk solitary or 

 few, of ray solitary or none, bracts in one series equal, free, 

 pappus none. 



TRIBE 7. ANTHEMIDE^. Flowers rayed or not, bracts dry 

 or with scarious tips, pappus none or slight. 



25. ARTEMISIA. Strong- smelling herbs or shrubs, flowers 

 not rayed, in racemes or panicles, outer florets female, very 

 slender, bracts in few series, outer shorter. 



