304 Notes on Indian Botany. 



the disk male : branches of the style of the female linear 

 revolute ; style of the male included, simple, or slightly cleft 

 at the apex : achaenia obovate, somewhat compressed, entire 

 or shortly bicornate at the apex. Shrubs : leaves opposite ; 

 peduncles terminal ] -cephalous : involucrum 2-series, the 

 exterior spreading recurved, interior erect : receptacle palea- 

 ceous, paleae membranous, 1 -nerved: flowers yellow. [Owing 

 to the Neilgherry species differing in several particulars from 

 the Ceylon one, I have slightly modified the character for its 

 admission.] 



Sub-tribe. Helianthe^e. Capitula usually he terogamous ra- 

 diate, or homogamous discoid. Receptacle wholly or at least 

 the margin paleaceous : lobes of the corolla of the hermaphro- 

 dite flowers thick: pappus none, crown-like, or aristate ; an- 

 thers blackish, ecaudate. 



42. Wedelia, (Jacq. D. C. 5-538). Capitula heteroga- 

 mous, flowers of the ray 1 -series ligulate, female ; of the disk 

 hermaphrodite, 5-toothed : branches of the style of the her- 

 maphrodite flowers ending in a cone : achaenia obovate or 

 compressed, beakless, with a crown or calyx-like pappus : 

 receptacle paleaceous. Suffruticose or herbaceous, leaves op- 

 posite : pedicels terminal or axillary ; involucrum 2-3-series, 

 exterior foliaceous : receptacle paleaceous. 



43. Wollastonia, (D. C. 5-546). Capitula heteroga- 

 mous, flowers of the ray ligulate, 1 -series, female ; of the disk 

 hermaphrodite : corolla articulated above the ovary : achae- 

 nia thick obovate turbinate or compressed, umbilicate at 

 the apex, or bearing 5-slender aristae. Suffruticose usually 

 hispid, leaves opposite triplinerved : pedicels at the apices 

 of the branches about 3, one cephalous: involucrum 2-3- 

 series, exterior foliaceous : receptacle paleaceous : flowers 

 yellow. 



