312 Notes on Indian Botany. 



rostrum beset with viscid glands : pappus 0. Herbaceous 

 erect, leaves alternate : capitula solitary on the ends of the 

 branches : involucrum many series imbricate, exterior ones 

 sometimes foliaceous : flowers yellow. 



Sub-tribe. Senecione^e. Capitula homogamous or hetero- 

 gamous, discoid or radiate : anthers ecaudate : achcenia crown- 

 ed with setaceous or pilose pappus, the marginal ones sometimes 

 bald: leaves alternate. 



67. Cremocephalum, (Cass. D. C. 6-297). Capitula he- 

 terogamous, marginal flowers few, filiform, female : branches 

 of the style crowned with a short hispid cone : achsenia terete, 

 10-ribbed : pappus pilose, soft, several series. Herbs, branches 

 long naked 1-cephalous : involucrum many leaved, not im- 

 bricated, calyculate : receptacle fimbriliferous, afterwards be- 

 coming, with the base of the involucrum, thickened ; flowers 

 purple. 



68. Gynura, (Cass. D. C. 6-298). Capitula discoid homo- 

 gamous : base of the tube of the corolla corneus : branches of 

 the style produced into a long hispid appendage, usually 

 exserted : achsenia terete, striated, beakless : pappus many 

 series filiform, scarcely barbellate. Herbaceous or shrubby ; 

 capitula corymbose : involucrum cylindrical 1 -series, calycu- 

 late at the base with subulate bracts : receptacle flat alveo- 

 late : flowers white. 



69. Emilia, (Cass. D. C. 6-301). Capitula homogamous 

 discoid : flowers 5-lobed : branches of the style ending in a 

 cone : achaenia oblong pentagonal, angles ciliate hispid : pap- 

 pus several series filiform, scarcely barbellate. — Herbs, with 

 few subcorymbose pedicelled capitula : involucrum cylindrical 

 1 -series, ecalyculate : flowers reddish, purple, or orange co- 

 loured. 



