Synopsis of Indian Composite* 299 



style scarcely exserted ; central ones few, male, with short tube 

 and campanulate limb : anthers included : achsenia com- 

 pressed, glabrous : pappus 7-8 barbellate bristles. Erect 

 ramous glabrous annuals : leaves alternate ; peduncles axillary 

 and terminal, bearing few congested capitula : involucrum 

 several series, shorter than the disk : receptacle naked, flat, 

 punctulate ; flowers yellow : pappus first white, afterwards 

 reddish. 



28. Berthelotia, (D. C. 5-375). Capitula heteroga* 

 mous ; flowers of the circumference many series, female 2-3- 

 toothed; of the disk few (5-12) 5-toothed : achsenia terete 

 beakless: pappus 1 -series, paleaceous, cohering at the base, 

 scabrous at the apex. A shrub with alternate sessile leaves : 

 capitula oblong, forming dense corymbs on the ends of the 

 branches : involucrum oval, scales several series imbricated, 

 adpressed : receptacle naked, flowers purplish. 



29. Conyza, (Less. Syn. D. C. 5-377). Capitula hetero- 

 gamous : flowers of the circumference many series female, 3-5- 

 toothed ; of the disk few male, 5-toothed : achsenia compressed 

 attenuated at the base : pappus 1 -series, bristles filiform. Erect 

 ramous terete herbs, with alternate leaves and corymbose or 

 subpaniculate pedicelled capitula : involucrum many series ; 

 receptacle ebracteolate punctulate or fimbrilliferous : flowers 

 yellow, pappus red or reddish. 



Sub-tribe III. Tarchonanthe^e. Capitula either dioicous 

 or heterogamous, never radiate. Female flowers in the circum- 

 ference many series, very slender ; of the disk hermaphrodite 

 or male, fewer and larger : anthers caudate : leaves alternate. 



30. Blumea, (D. C. 5-432). Capitula heterogamous, 

 flowers of the circumference many series truncated, or 2-3- 

 toothed: of the disk few (5-25) cylindrical, 5- toothed, the throat 



