298 Notes on Indian Botany. 



thoides of Burman and D. C. but is amply distinct both in 

 structure and habit from Sphceranthus.] 



24. Dichrocephala, (D. C. 5-371). Capitula heteroga- 

 mous, flowers all tubular ; marginal ones female many series, 

 3-4-toothed, central hermaphrodite or male few, 4-toothed : 

 achsenia compressed beakless, of the females bald, of the 

 hermaphrodite crowned with 1-2-bristles. Annuals with 

 alternate leaves and small globose capitula, expanded involu- 

 cra and conical naked receptacles : flowers purplish. 



25. Grange a, (Adans, D. C. 5-372). Capitula heteroga- 

 mous, florets all tubular ; of the circumference two or several 

 series female, very slender, 3-toothed ; of the centre herma- 

 phrodite, 5-toothed : style of the disk undivided : achsenia 

 obovate, somewhat compressed, attenuated at the base, crown- 

 ed with an entire cup-shaped pappus, slightly fimbrillate 

 on the margin. Procumbent herbs, leaves alternate, sinuately 

 pinnatifid : capitula solitary, globose, terminal : involucrum 

 2- series: receptacle hemispherical: flowers yellow. 



26. Cyathocline, (Cass. D. C. 5-373). Capitula hetero- 

 gamous, marginal flowers many series female 3-cleft ; central 

 ones obconical male, 5-toothed : achsenia oblong, attenuated 

 at both ends, with a short pellucid beak : pappus none, 

 (unless the beak be considered such). Erect herbaceous 

 viscid heavy-smelling plants with alternate bipinnatifid leaves: 

 capitula small racemose, on the ends of longish naked 

 peduncles : involucrum many series : receptacle ebracteolate, 

 the centre elevated saucer- shaped, bearing the male flowers ; 

 flowers reddish-purple. 



27. Thespis, (D. C. 5, Prod. 375). Capitula heteroga- 

 mous; marginal flowers many series female very slender: 



