264 LXXIII. COMPOSITE (OLIVER AND HIERN). 



seriate, imbricate. Anther-base obtuse sagittate or more rarely sub- 

 caudate. Style-branches slender, more or less elongate and tapering, 

 papillose or minutely hairy externally. — Herbs, shrubs or trees with 

 alternate leaves (except in BothriocUne) and purple violet or white 

 flowers. 



Capitula separate or axillary, not collected in bracteate 

 cymosely arranged heads. 

 Achenes crowned by a cartilaginous cup. Capitula lateral 



or axillary, sessilo. Pappus . . . . . . . 1. SPAnaANOPHOBUs. 



Achenes truncate with a submarginal little prominent 

 ring or obtuse with an inconspicuous ring. Capitula 

 usually terminal or cymose, rarely lateral. 

 Pappus 0. 



Achenes broadly truncate at the apex 2. Ethtilta. 



Achenes rounded at the apex 3. Gtjtbnbeegia. 



Pappus composed of a few caducous setae^ not coroniform. 



Setae of the pappus plumose. Leaves alternate . . 4. Ejrlangea. 

 Setse of the pappus scabrous. Leaves usually oppo- 

 site or verticillate 5. Bothbioclinr. 



Pappus partly or wholly composed of numerous usually 



persistent setae 6. Vbbnonia. 



Pappus coroniform, composed of short scales, often with 



a few longer setae 7. Hbbdbeia. 



Capitula collected in globose, terminal, bracteate, solitary 



or cymose heads 8. Elephantoptjs. 



Tribe IT. Supatorlaceae. Capitula homogamous, florets all 

 tubular, hermaphrodite. Involucral scales multi- or sub-2-1. seriate. 

 Anther-base neither sagittate nor caudate. Style-branches elongate, 

 obtuse, usually more or less clavate, glabrous or papillose. — Herbs or 

 shrubs, occasionally scandent with all or the lower leaves opposite 

 except Eupatorium africanum. Flowers never distinctly yellow, usually 

 purplish, rose or white. 



Apex of anther truncate or minutely apiculate 9. Adenostkmma. 



Apex of anther with ovate or lanceolate produced connective. 



Setae of pappus 4-5, dilated at base 10. Aoehatitm. 



Setae of pappus oo . 



Involucral scales oo 11. EuPATOEroM. 



Involucral scales 4 12. Mikaiha. 



Tribe HI. AsteroldesB. Capitula heterogamous radiate or dis- 

 coid, outer florets pistillate, inner hermaphrodite or sterile. Involu- 

 cral scales 00 , l~cc -seriate. Corolla of $ fl. ligulate or ligule rudi- 

 mentary or and then tubular and often filiform ; of ^ fl. regular, 

 tubular or dilated above. Anther-base entire obtuse or bidenlate 

 (rarely sagittate), apex with a produced connective. Style-branches 

 flattened more or less with stigmatic margins, apical appendix lanceo- 

 late to deltoid, papillose. Achenes with setaceous pappus, or pappus 

 rudimentary or 0. — Herbs or shrubs. Leaves alternate. 



1 § GrangeinecB. $ fl. l-oo -seriate, not exceeding those of the disk, tubular 

 dentate or with rudimentary ligule or eampanulate. Pappus or rudimentary, or of 

 few very caducous setae. 



