COMPOSITE. 39 



a. Heads with ligulate marginal flowers ; margin-flowers same 



colored as disc-flowers Solidago. 



/9. Heads with 2 oo series of $-. with ligulate or filiformed 

 corolla ; pappus short or 0. 



Fruit crowned with a cup Grangea. 



Fruit not crowned with a cup Dichrocepliala. 



f. Heads with ligulate margin-flowers, whose colour is different 

 from that of disc-flowers. 

 Pappus reduced or 0. 



Fruit without sticky ring at the &\>e?i...LagenopJiora.. 



Fruit with a sticky, ring at the apex Myriactls. 



Pappus setaceous or in A. indicus nearly reduced. 

 Involucral bracts more than 2-series ; ray-flowers in 

 1 -series, lanceolate ; appendage of style-branches 



lanceolate Aster. 



Involucral bracts nearly 2-seriecl, ray-flowers linear 

 in many series ; appendage of style-branches mostly 



short, triangular Nrigeron. 



3. Heads with filiformed or short ligulate margin-flowers. 

 Pappus oo setaceous. 



Fruit not compressed Microglossa. 



Fruit compressed Conyza. 



d. Heads hornogarnous or heterogamous, the outer ligulate. Anther- 

 cells (except Laggcra] tailed. Style various Inulea3. 



i. Q flowers filiformed. 



1. Styles of ]. flowers with thoroughly hairy branches. 

 Heads simple, not collected into a head-like cluster. 

 ex. Pappus-seta? oo. 



Herb with narrow involucral bracts. 



Anther tailed Blumea. 



Anther not tailed Laggera. 



Shrubs with wide involucral bracts. Pluchea. 

 p. Pappus Epaltes. 



