BRACT ON 



receptacle: 



DISC FLOWER 

 I STAMEN TUBE 

 \/ PAPPUS 



ACMENE 

 RECEPTACLE 



INVOLUCRE 



PHYLLARIES 



DIAGRAM OF 

 COnPOSITE HEAD 



RAY DISC FILIFORM 



COROLLA TYPES 



ACUTE OBTUSE 

 STYLE TIPS 



DISCOID 



LIGULATE 



RADIATE 



HEADS 





STAMINATE 



PISTILLATE 



RETRORSELY 



BARBED 



ALTERNATE AWNS pi llMn=,F 



PALEACEOUS AWNED AND PALE AE raortT , irr 



PAPPUS BARBELLATE 



WITHOUT 



PAPPUS V ON CORKY 



BEAKED STIPE WINGED 



ACHENE5 



RAY DISC 



DIMORPHIC 



IN TWO 

 SCRIES 



IMBRICATE 



MASKED BY 



UNITED INTO UNITED INTO INDURATED ENFOLDING A 



A CUP A BUR LEAF BASES RAY ACHENE 



PtiVLLARlES 



LEAVES BASAL 



LEAVES 

 SPINY 



RECEPTACLE LONG COLUMNAR 



Fig. 741: Characteristic structures in the Compositae. (From Mason, Fig. 345). 



