Synopsis of Indian Composite. 301 



glabrous : pappus none. Ramous herbs ; leaves alternate de- 

 current : peduncles opposite the leaves : involucrum two or 

 several series, imbricated : receptacle naked convex. 



Sub-tribe IV. Inule^e. Capitula never dioicous, rarely 

 homogamous, often heterogamous, radiate : ligulce female, iso- 

 chromous (colour of the disk : ) receptacle, except Rhantarium 

 epaleaceous : anthers caudate : leaves alternate. 



34. Inula, (Gaertner D.C. 5-463). Capitula heterogamous, 

 flowers of the ray 1- series, female, or sometimes, by abortion, 

 sterile, usually ligulate ; of the disk hermaphrodite tubular 

 5-toothed : anthers with two bristles at the base : achaenia 

 erostrate roundish : pappus uniform, bristles capillary. Her- 

 baceous perennials : capitula at the apices of the branches 

 solitary, often corymbose ; involucrum imbricated many 

 series ; receptacle naked ; flowers yellow. 



35. Vicoa, (Cass. D. C. 5-474). Capitula heterogamous, 

 flowers of the ray narrow ligulate 1 -series ; of the disk tubu- 

 lar 5-toothed : anthers setaceously appendiculate at the base : 

 achaenia beakless : pappus of the ray none, of the disk capil- 

 lary, 1 -series. Erect ramous annuals with alternate auri- 

 culately sagittate sessile leaves : branches sparingly leafy 

 1 -cephalous : involucrum imbricated, scales subulate ; recep- 

 tacle ebracteolate ; flowers yellow. 



36. CjESULIA, (Roxb. D. C. 5-482). Capitula numerous, 

 aggregated in a glomerulus, or general head : proper involu- 

 crum 2-carinated, membranaceous valves, at length cohering 

 with the ovary and forming a spurious 2-lobed pappus: 

 corolla tubular, 5-lobed, spreading : anthers rigid caudate : 

 branches of the styles filiform diverging [Roxb. Icon. D. C] 

 or included and shortly spathulate [R. W. Icon.] : achaenia 

 compressed, apparently 2-winged from the cohering-involu- 



